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Best Oil Field of All Time

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    1
    Wilmington Oil Field

    Wilmington Oil Field

    The Wilmington Oil Field is a large petroleum field in Los Angeles County in southern California in the United States in terms of cumulative oil produced. Discovered in 1932, it is the third largest oil field in the United States. The field runs roughly southeast to northwest through the Los Angeles Basin, stretching from the middle of San Pedro Bay through Long Beach and east of the Palos Verdes Peninsula. The field originally contained approximately 3 billion barrels (480,000,000 m) of reserves. As of 2002, approximately 90% of its original reserves had been recovered, leaving approximately 300 million barrels (48,000,000 m). The offshore portion of the oil field is developed largely through wells drilled directionally from THUMS Islands, four artificial islands in Long Beach Harbor. All figures are as of 31 December 2001 (2001 -12-31).
    8.29
    7 votes
    2

    Norne oil field

    Norne is an oil field located around 80 kilometres (50 mi) north of the Heidrun oil field in the Norwegian Sea. The sea depth in the area is 380 metres (1,250 ft). The field is roughly 1,400 kilometres (870 mi) from the landfall at Dornum in Germany. Norne lies in a licence which was awarded in 1986, and embraces blocks 6608/10 and 6608/11. The Alve field nearby started to produce in March 2009 and is commingling into Norne. The Urd field is also comingling with the Norne. 6507/3-1 Alve will be tied to Norne for processing and transport. Natural gas has also been exported from Norne since 2001. It travels through the Norne Gas Export Pipeline and the Åsgard Transport trunkline via Kårstø north of Stavanger to continental Europe. The Alve find led to the discovery of the Norne oil and gas field which was proven in 1992 and brought on stream in 1997. The field has been developed with a production and storage vessel, connected to six subsea wellhead templates. Flexible risers carry the wellstream up to the vessel, which rotates around a cylindrical turret moored to the seabed. Risers and umbilicals are also connected to the turret. The ship has a processing plant on deck and storage
    7.86
    7 votes
    3

    Eider oilfield

    The Eider Oilfield is situated 184 kilometres (114 mi) north east of Lerwick, Shetland Islands, Scotland, in block numbers 211/16a and 211/21a. It is operated by Abu Dhabi National Energy Company (TAQA). It was discovered in May 1976 in a water depth of 157.5 metres (517 ft). Estimated recovery is 85 million barrels (13,500,000 m) of oil. The production is via the Cormorant Alpha platform to the Brent System pipeline.
    7.43
    7 votes
    4

    Dalia

    The Dalia oil field is an oil field in deepwater block 17, 135 kilometres (84 mi) off the coast of Cabinda, Angola. The field lies in water depths varying between 1,200 and 1,500 metres (3,900 and 4,900 ft). Dalia oil field was discovered in September 1997 and brought into production in December 2006. Sonangol is the Block 17 concessionaire. Like other developments in the Block 17, the operator is Total S.A. with interest of 40%, and other partners are Statoil of Norway (23.33%), ExxonMobil of the United States (20%) and BP of the United Kingdom (16.67%). The Dalia field has been developed with an FPSO capable of processing 240,000 barrels per day (38,000 m/d), and with a storage capacity of 2 million barrels (320×10^ m) of oil. The FPSO hull was built in South Korea by Samsung Heavy Industries and has a hull dimensions of 300 metres (980 ft) in length, 60 metres (200 ft) in breadth and 32 metres (105 ft) high. On top of this is 29,400 tonnes of processing facilities which was mainly built and installed at DSME in South Korea. It will have a water injection capacity of 405,000 barrels per day (64,400 m/d), water treatment capacity of 265,000 barrels per day (42,100 m/d) and gas
    7.00
    7 votes
    5

    White Tiger oil field

    The Bạch Hổ oil field (White Tiger oilfield) is a major oil field in the Cuu Long basin of the South China Sea located offshore due east of the Mekong Delta of Vietnam. The field contains major reserves hosted within highly fractured granitic basement rocks. The Cuu Long basin is a rift zone developed during the Oligocene to Early Miocene. The rift occurred in Jurassic to Late Cretaceous granite to granodiorite intrusions. The fractured granitic rocks occur as a horst overlain and surrounded by Upper Oligocene lacustrine shale source rocks. Bạch Hổ is not the only oil field convincingly shown to be hosted in granite; however, inspection of the seismic profile of the area shows faulted basement passive margin which is sealed by an onlapping sedimentary sequence. It is plausible that the oil has migrated laterally from the lowermost, mature sediments into the fault systems within the granite. The seismic profile shows a definite basement horst with onlapping sedimentary source rocks, draped by a reservoir seal. This trap view would see the oil migrate up the horst bounding faults from the lower source units, into the trap unit draped over the top. Mobil struck oil in the Bạch Hổ
    7.83
    6 votes
    6

    Daqing Field

    Daqing Field (simplified Chinese: 大庆油田; traditional Chinese: 大慶油田; pinyin: Dàqìng Yóutián), formerly called "Taching", is the largest oil field in the People's Republic of China, located between the Songhua river and Nunjiang river in Heilongjiang province. Discovered in 1959 by Li Siguang. Wang Jinxi (known as 'Iron man' Wang, who led No. 1205 drilling team) worked on this oilfield. This field has produced over 10 billion barrels (1.6×10^ m) of oil since production started in 1960. Daqing contained 16 billion barrels (2.5×10^ m) or 2.2 billion tons in the beginning; the remaining recoverable reserves are about 3.6 billion barrels (570×10^ m) or 500 million tons. The current production rate is about 1 million barrels per day (160×10^ m/d), making it the fourth most productive oil field in the world. It is reputed that during the first two decades of the life of the field, as much as 90% of the oil was wasted. When the Chinese government began to use to pinyin Western characters for Romanization, the field's name became known as Daqing. Daqing Oilfield Company Limited, based in Daqing, is the operator of exploration and development of Daqing Oilfield. From 2004, the company plans to
    6.57
    7 votes
    7

    Orinoco tar sands

    The Orinoco Oil Sands, also known as the Orinoco Tar Sands, are deposits of oil sands located near the Orinoco River in Venezuela. The Orinoco River starts in the Venezuelan-Brazilian border and ends in the Atlantic Ocean at the Gulf of Paria. The Orinoco Tar Sands are known to be one of the largest, if not the largest oil sand deposit in the world, along with the Athabasca Tar Sands in Alberta, Canada. It is estimated that at least 66% of the world's petroleum reserves are preserved in oil sand form, with 32% (270 km³ or 1.7 trillion barrels) of oil sand deposits in Athabascan deposits and 34% (286 km³ or 1.8 trillion barrels) in the Orinoco deposits. Orinoco tar sands are, according to experts, more economical to extract, at $16 per barrel of oil, than Canada's Athabasca oil sands at around $20 per barrel, but with the Oil price increases since 2003 to over $145 per barrel, this cost differential has become less important. Venezuela's non-conventional oil deposits of about 1,200 billion barrels (1.9×10 m), found primarily in the Orinoco oil sands, are estimated to approximately equal the world's reserves of conventional oil. An estimated 267 billion barrels (4.24×10 m) were
    8.40
    5 votes
    8

    Sugar Loaf field

    The Carioca/Sugar Loaf field is a potential deepwater oil field in the Atlantic Ocean off the coast of São Paulo, Brazil. The field is possibly part of an important emerging petroleum basin known as the Santos Basin. Two other large oil fields have been discovered in this basin in 2007 and 2008, the Tupi and Jupiter fields. The condition and size of the Carioca/Sugar Loaf field has yet to be clarified, however there is speculation that it could contain between 25 and 40 billion barrels.
    8.40
    5 votes
    9
    Wytch Farm

    Wytch Farm

    Wytch Farm is an oil field and processing facility in the Purbeck district of Dorset, England. It is the largest onshore oil field in western Europe. The facility, recently taken over by Perenco was previously operated by BP. It is hidden in a coniferous forest on Wytch Heath on the southern shore of Poole Harbour, two miles (3 km) north of Corfe Castle. Oil and natural gas (methane) are both exported by pipeline; liquified petroleum gas is exported by road tanker. The oil field drew its name from the neighbouring Wytch Farm which had existed on the site for many centuries on the fringes of Wytch Heath. The Isle of Purbeck's oil-shale feald, or "Kimmeridge Coal" that has been won from the cliffs to the east of Kimmeridge since the early 17th century and is no longer used commercially. Similar deposits were found at Wytch farm in the 1890s, but were only commercially exploited until circa 1900 and only at a low level. The Kimmeridge Oil and Carbon Company reported that in 1890 had dug 5,000 ft of underground tunnels or levels at Kimmeridge on 4 levels in to the local cliffs. There was a local jetty to export the oil shale and smaller operations occurred at near by Bencliff Grit east
    8.20
    5 votes
    10

    Marun Field

    Marun Field is the second-largest oil field in Iran. Discovered in 1963, the Marun fields produce from onshore wells. The field produces approximately 520,000 barrels per day (83,000 m/d) of oil.
    6.67
    6 votes
    11

    Agbami Field

    Agbami Field is an oil field in Nigeria. Discovered in late 1998, it was the second major deepwater oil field discovered off the Niger Delta, the first being Bonga Field by Shell. The field is located in nearly 1,500 meters (4,900 ft) of water off the central Niger Delta. The operator of the field is Star Deep Water Limited, an affiliate of Chevron. Also involved in the field are Famfa Oil, an indigenous oil company owned by the Alakija Family of Lagos, Petrobras (Brazil), Statoil, and NNPC (the national oil company of Nigeria). Most of the reserves are in lower and middle Miocene deepwater turbiditic sandstones and reserves are estimated at 900 MM barrels with upside to perhaps 1.5 B making it either the biggest or second biggest (to Bonga) deepwater field in Nigeria. Its crude oil quality is very high API gravity in the high 30's (very flowable) and the crude is sweet (low sulfur). The trap is mainly anticlinal 4-way rollover but internally the doubly plunging anticline is cored by a small reverse fault and upwardly diapiric mobile shale or mud. The northwestern portion of the field is overthrusted at shallow levels. Production began in 2008 at over 70,000 barrels per day
    7.80
    5 votes
    12
    Tengiz Field

    Tengiz Field

    Tengiz field (Tengiz is Turkic for "sea") is an oil and gas field located in northwestern Kazakhstan's low-lying wetlands along the northeast shores of the Caspian Sea. It covers a 2,500 km (970 sq mi) project license area which also includes a smaller Korolev field as well as several exploratory prospects. Sizewise, Tengiz reservoir is 19 km (12 mi) wide and 21 km (13 mi) long Discovered in 1979, Tengiz oil field is one of the largest discoveries in recent history. The city of Atyrau, 350 kilometres (220 mi) north of Tengiz, is the main transport hub of Tengiz oil. Many nations are involved in a large geopolitical competition to secure access to this source of oil. Tengiz is operated by Tengizchevroil, a 40 year partnership planning to produce billions of barrels of oil from the field. The Tengizchevroil (TCO) consortium has developed the Tengiz field since its founding in April 1993. The partners in Tengizchevroil are Chevron (50%), Royal Dutch Shell (25%), the Kazakhstan government through Kazakhstan Petroleum (20%) and Russian Rosneft (5%) In 2001, the partners opened a US$2.7 billion, 1,505-kilometre (935 mi) Caspian Pipeline Consortium pipeline to export oil from Tengiz to
    8.75
    4 votes
    13

    Maui gas field

    The Maui natural gas field is the largest gas, natural gas condensate and oil field in New Zealand, producing nearly three-quarters of the country's hydrocarbons, as well as providing energy for electricity generation. It is located in the Tasman Sea, 35 km off the coast of Taranaki and to the southwest of New Plymouth. It covers an area of 157 square kilometres and is located in 110 metres of water. The gas field was discovered in 1969 by a joint venture of Royal Dutch/Shell, British Petroleum and Todd Petroleum. It was considered a "giant" field at the time of discovery. Government investment led to a government organisation later called Petrocorp taking a 50% interest. This was later bought out by Fletcher Challenge Energy. By the end of the Maui gas contract in 2009, the Maui Mining Companies were made up of Shell (84%), OMV New Zealand (10%), and Todd Energy (6%). Two platforms operate in the field: full production from Maui A began in 1979; Maui B was installed 13 years later. Much of the gas from Maui was used to supply the Motunui synthetic petrol plant from 1986 until it ceased operation in 2004. An onshore naphtha refining plant was installed in 1999. The floating
    8.50
    4 votes
    14

    Karachaganak Field

    Karachaganak Field is a gas condensate field in Kazakhstan. It is located about 150 kilometres (93 mi) east of Oral (Uralsk) in the northwest of Kazakhstan. The field was once a massive Permian and Carboniferous reef complex covering an area 30 by 15 square kilometres (12 by 5.8 sq mi). At its largest point the reservoir contains a gas column 1,450 metres (4,760 ft) deep with a 200 metres (660 ft) deep oil rim below it. It is estimated to contain 1.2 trillion cubic metres (42 trillion cubic feet) of gas and one billion tonnes of liquid condensate and crude oil. Discovered in 1979, it began production under Karachaganckgazprom, a subsidiary of Gazprom. Kazakhgas took over operatorship after the independence of Kazakhstan in 1992. In 1992, AGIP (now Eni) and the then British Gas (now BG Group) were awarded the sole negotiating rights, forming a partnership company. In 1997, Texaco (now Chevron Corporation) and Lukoil signed a production sharing agreement with the original two companies and the Kazakhstan Government. This is a 40-year agreement to develop the field to allow the production to reach world markets. This is done under a partnership company known as Karachaganak Petroleum
    7.00
    5 votes
    15

    Akpo

    Akpo is a deepwater oil and gas field located on OML 130 discovered off the coast of Port Harcourt, Nigeria in 2000. Companies involved in the planned exploitation of the field include South Atlantic Petroleum, Total S.A., Brazil's Petrobras and China's CNOOC.
    8.25
    4 votes
    16

    Fulmar oilfield

    The Fulmar Oilfield is situated 312 km east of Dundee, Scotland, United Kingdom in block number 30/16 and 30/11b. It is operated by Talisman Energy who took over from the previous operator, Shell at the end of 2006. At this time Talisman also purchased the equity of the other partners ExxonMobil and Amerada Hess. The field was discovered in December 1975 by well 30/16-6 in a water depth of 82 metres. Estimated ultimate recovery is 544 million barrels (86,500,000 m³) of oil. It is named after the fulmar, a sea bird. The oil reservoir is located at a depth of 3,050 metres. The "Fulmar A platform" operates above the oilfield. Production started in February 1982 from the Fulmar 'A' platform. This platform is a steel, 8 legged jacket designed by McDermott Engineering and constructed at Nigg, Easter Ross, Scotland. This jacket weighs 12,400 tonnes and supports a topside weight of around 22,560 tonnes. The topsides facilities included capability to drill, produce, meter, pump oil and gas. It can also inject both gas and water. Production is exported via the Norpipe system to Teesside. Associated natural gas from the reservoir is separated and used to power electrical generation with the
    6.80
    5 votes
    17
    Pembina oil field

    Pembina oil field

    The Pembina oil field is one of the largest and most prolific conventional oil fields in the province of Alberta, Canada. The mature field is centered around Drayton Valley and is named for the Pembina River, which crosses the region from south-west to north-east. It taps in the Cretaceous deposits of the Western Canadian Sedimentary Basin for oil and gas production. The main hydrocarbon bearing formations is the Cardium Formation, with the Viking Formation and sandstone beds of the Fernie Formation such as the Rock Creek Member also being produced. The first oil was discovered by Mobil Oil in February 1953, and it started a boom that saw the investment of $900 million in the area.
    8.00
    4 votes
    18

    Kurmangazy Field

    The Kurmangazy oil field is an offshore oil field located in the Kazakh section of the Caspian Sea on the maritime border between Russia and Kazakhstan, about 120 kilometres (70 mi) west of the Buzachi Peninsula. It is expected to be the third largest oil field of Kazakhstan. The field is named after Kurmangazy Sagyrbayuly. The first agreement concerning Kurmangazy field was signed in 2002. The US$23 billion worth PSA agreement was signed with KazMunayGas and Rosneft on 6 June 2005. In May 2006, the first well was drilled into the structure; however, it failed to strike oil. The oil field has estimated reserves of 7 to 10 billion barrels (1.1 to 1.6 billion cubic metres). The field is operated by Kurmangazy Petroleum Company. KazMunayTeniz, a subsidiary of KazMunayGas, owns 50% of the project and RN – Kazakhstan LLС, a subsidiary of Rosneft, owns 25%. Originally, 25% of shares was assigned to Zarubezhneft, but later Rosneft received the option on this remaining stake once commercial extraction commences. Total S.A. and ONGC have shown interest to join the project.
    7.75
    4 votes
    19

    Tsimiroro

    Tsimiroro is the name of a large oil field in the onshore Morondava Basin of Madagascar found south of the Bemolanga ultra heavy oil field and south of the town of Morafenobe. It is estimated to contain as many as 9.3 billion barrels (1.48×10 m) of heavy oil. The oil is found in the Isalo and Amboloando formations. Madagascar Oil, founded by Sam Malin, is current license holder of the Tsimiroro field. It describes the field as being a heavy oil field with a significant volume of oil in place. It gives figures for oil in place (2010 estimates) as: The oil is 14-16ºAPI with low sulphur (
    9.00
    3 votes
    20
    Schiehallion oilfield

    Schiehallion oilfield

    The Schiehallion oilfield is a deepwater offshore oilfield approximately 175 kilometres (110 mi) west of the Shetland Islands in the North Atlantic Ocean. The Schiehallion and adjacent Loyal field were jointly developed by BP on behalf of the Schiehallion field partners; BP, Shell, Amerada Hess, Murphy Oil, Statoil and OMV, and the Loyal field partners; BP and Shell. The Schiehallion field, together with Foinaven and Clair fields, forms the frontier area generally termed as the West of Shetland. Schiehallion field was discovered in 1993 by the semi-submersible drilling vessel Ocean Alliance while drilling the third exploration well in block 204 (well 204-3). The field is located in blocks 204/20 and 204/25 of the United Kingdom Continental Shelf in a water depth of 350 to 450 metres (1,150 to 1,480 ft). Recoverable oil reserves of Schiehallion are estimated to be between 450 and 600 million barrels (72×10^ and 95×10^ m). During 1994 and 1995 an appraisal of Schiehallion and Loyal was carried out, culminating in a successful extended well test, which demonstrated well rates of up to 20,000 barrels per day (3,200 m/d). The combined development of the Schiehallion and Loyal fields was
    7.50
    4 votes
    21

    Timan-Pechora

    The Timan-Pechora Basin is an oil field basin in northern Russia. It is south of the Pechora Sea. A planned project to mine its oil and gas was conceived in the mid-1990s and approved by United States and Russian Governments. As of September 29, 2004, Conoco and LUKoil planned to jointly develop this Basin.
    7.50
    4 votes
    22

    Forties oilfield

    The Forties Oil Field is the largest oil field in the North Sea, 110 miles east of Aberdeen. It was discovered in 1970 and first produced oil in 1975 under ownership of BP. BP had made the announcement to the press on October 7, 1970, oil had been struck 110 miles (180 km) east-northeast of Aberdeen in 350 feet (110 m) of water. BP's semi-submersible drilling rig Sea Quest hit crude at 11,000 feet (3,400 m) in the upper tertiary sandstone. Four appraisal wells drilled during 1970-1971 revealed a large reservoir at a depth of about 7,000 feet (2,100 m). So marked the first and largest major oil field discovery in the United Kingdom sector of the North Sea. Oil had previously been discovered at the Ekofisk field. Named Forties after the sea area in which it lies, the field began producing oil in September 1975 and was officially inaugurated by Her Majesty on November 3, 1975. The production from the field peaked in 1979 at 500 thousand barrels per day (79×10^ m/d), well above early predictions. By the time BP sold the field in 2003, their reservoir engineers estimated the STOIIP was 4.2 billion barrels (670×10^ m). There are five fixed platforms around the field: Forties Alpha,
    7.25
    4 votes
    23

    Yme field

    Yme is an oil field in the Egersund basin area in the southern part of the North Sea. It is located 160 kilometres (99 mi) northeast of the Ekofisk oil field. The water depth is 93 metres (305 ft). The field was produced by Statoil from February 1996 to it was closed down in 2001. The field was produced using the jackup rig Maersk Giant equipped with oil producing facilities. The produced oil was transferred to the tanker Polysaga. Polysaga had a storage capacity of up to 160,000 cu meters of oil. It was moored and loaded by the subsea turret loading system (STL). The oil from Polysaga was offloaded to a shuttle tanker and transported to the Statoil Mongstad terminal near Bergen for final processing and fiscal metering. Mongstad had to beef up its desalters in order to be able to handle the Yme crude. The field was abandoned in a time of low oil prices after having produced 56 million barrels (8.9×10^ m) of oil (15% recovery of original oil in place). The field is to be redeveloped by Talisman Energy who will start production in 2013. The Yme project will be redeveloped with 12 production and injection wells and a subsea storage tank. Talisman Energy hopes to recover a further 56
    7.25
    4 votes
    24

    Jupiter field

    On January 21, 2008, Petrobras announced the discovery of the Jupiter field, a huge natural gas and condensate (very light oil) field which could equal the Tupi oil field in size (5-8 billion BOE). It is located in the Santos Basin, 37 km (23 mi) east of Tupi, 5,100 m (16,730 ft) below the bottom of the Atlantic Ocean in a water depth of 2,187 m (7,175 ft), 290 km (180 mi) from Rio de Janeiro.
    8.67
    3 votes
    25

    Ku-Maloob-Zaap

    Ku-Maloob-Zaap is the most productive oil field in Mexico. Ku-Maloob-Zaap is made up out of three relatively large fields Ku, Maloob and Zaap which are located to the immediate northwest of the Cantarell field. Ku-Maloob-Zaap is located offshore in the Bay of Campeche, 105 kilometres (65 mi) from Ciudad del Carmen. It was discovered by PEMEX, Mexico's national oil company, in 1979. PEMEX planned to drill 82 fields and install 17 oil platforms, as well as build an oil pipeline of 166 kilometres (103 mi) to transport the oil produced. It was expected that by 2011, production would reach 800,000 barrels per day (130,000 m/d) of oil and 282 million cubic feet per day (8.0×10^ m/d) of natural gas. This target was met by November 2009 when Oil production reached 802,002 barrels per day (127,508.1 m/d). Production rose to 850,000 barrels per day (135,000 m/d) in August 2012, as a result of production declines at the Cantarell Field, Ku-Maloob-Zaap is Mexico's most productive oil field.
    8.67
    3 votes
    26

    Kudu gas field

    The Kudu gas field is a offshore gas field in Namibia approximately 170 kilometres (110 mi) north-west from the city of Oranjemund. It is located in the Orange Sub-basin in 170 metres (560 ft) of water. Discovered in 1974, the license has been held by a number of companies including Royal Dutch Shell, Chevron Texaco and Energy Africa. In 2004, Tullow Oil acquired Energy Africa for US$570 million and with its 90% interest in the license. Later Tullow Oil sold 20% of the project to Itochu. The remaining 10% is held by Namibian state oil company Namcor. On Tuesday, 18 September 2007, shares of Tullow Oil declined by more than 3.0% after the group announced that it had to abandon the Kudu-8 exploration well offshore Namibia and that a second well planned nearby won't be drilled. In 2010, Namcor and Russian gas company Gazprom agreed to establish a special purpose company to take a majority stake in the Kudu gas field. The field is estimated to contain 1.3 trillion cubic feet (37×10^ m) of proven natural gas reserves however more recent exploration and analysis suggests that reserves could reach 3 trillion cubic feet (85×10^ m) with potential up to 9 trillion cubic feet (250×10^ m).
    8.67
    3 votes
    27

    Dunlin oilfield

    The Dunlin oilfield is situated 195 km northeast of Lerwick, Shetland, Scotland, in block number 211/23a and 211/24a. It was originally operated by Shell but was recently sold and is now operated by Fairfield Energy; Amec are the duty holders and AKER solutions have the engineering and upgrade project contract. It was discovered in July 1973 at a water depth of 151 metres (495 ft). Estimated recovery is 363 million barrels of oil. The oil reservoir is located at a depth of 9,000 feet (2,740 metres). Production started in August 1978 from the Dunlin Alpha platform. This platform is a concrete gravity platform of the Condeep type. It has four legs and storage capacity for 838,200 barrels of oil. The total sub-structure weight is 225,000 long tons (229,000 tonnes) and it is designed to carry a topsides weight of 15,635 long tons (15,886 tonnes). The topsides facilities included capability to drill, produce meter and pump oil. It also has capability to re-inject water to maintain reservoir pressure, (111,250 bls/day)predicted. Peak production was 115,000 barrels per day in 1979; today it is approximately in the region of 3500 - 4000 bpd. Oil production is by pipeline to Cormorant Alpha
    7.00
    4 votes
    28
    Mangala Area

    Mangala Area

    The Mangala Area, located in Block RJ-ON-90-1 (the Rajasthan Block), is a major oil field located in the Indian State of Rajasthan. The Mangala area consists of over 16 separate oil and gas fields of which the majority of the reserves are located in the three fields of Mangala, Bhagyam and Aishwariya. The Mangala Area sits in Barmer Basin and is thought to contain oil in place volumes of 3.6 billion barrels (570,000,000 m), of which 1 billion barrels (160,000,000 m) are thought to be recoverable. Cairn India is the operator of the field, a subsidiary of Cairn Energy. Royal Dutch Shell won the licensing round for Block RJ-ON-90-1 in 1992 from the Indian Government, entering into a Production Sharing Contract (PSC) with them. In 1998, Royal Dutch Shell sunk a well in the area and put a logging tool probe (which detects hydrocarbons) down the bore. However, the electronic readings came up negative. A worker for Cairn Energy at the site (which then held a 10% stake in the leasehold) noticed that the probe was actually dripping in oil. Subsequently, Cairn purchased 50% of Shell's leaseholding and the remaining 50% in 2002 for $7.25 million. 27% of this contract was then sold to Cairn
    7.00
    4 votes
    29
    Mittelplate

    Mittelplate

    Mittelplate is Germany’s largest oil field which is located 7 km (4.3 mi) from the shore, in environmentally important Schleswig-Holstein Wadden Sea National Parks tidal flats. The development of the field was done by a consortium of RWE Dea AG and Wintershall AG. By the 20th anniversary of the start of production, 20 million tonnes of crude has been produced from the field. Mittelplate field holds nearly 65% of Germany's crude oil reserves The field was discovered in 1981 by well Mittelplate 1 which confirmed reservoir contained 75 million tonnes of crude oil. By the 1950s, geologists suspected oil off the German coast. Preliminary test borings in the 1960s did indeed turn up indications of oil, though not in economically profitable quantities. The oil crisis of 1973 and 1979 raised awareness of indigenous oil sources. In 1980 and 1981, test borings in the Mittelplate vicinity found oil in several sandstone layers. Due to location of the field in ecologically sensitive area, hydrographic, hydrodynamic and meteorological studies modelling storm, wave, ice-flow conditions were done and an artificial island holding a drilling and production facility was built in 1985. The island
    7.00
    4 votes
    30
    Wabasca Oil Field

    Wabasca Oil Field

    Wabasca is an oil field in a remote area of northern Alberta, where heavy petroleum is produced. It is also known as the Pelican Lake Oilfield. The closest community is Wabasca. The field is located east of this hamlet, and is spread over a surface of approximately 2000 km² of boreal forest and muskeg. Most oil is produced from the Wabiskaw Sandstone, formation equivalent to the one excavated in the Athabasca Oil Sands, but from sub-surface. While services are located in the nearby hamlet of Wabasca, the oil field is also served by the Pelican Airport. Most interests in this area are owned by Cenovus Energy and Canadian Natural Resources.
    7.00
    4 votes
    31

    Morondava Basin

    Morondava Basin is one of the major sedimentary basins of Madagascar. It encompasses the large Tsimiroro heavy oil field and giant Bemolanga ultra heavy oil field.
    8.33
    3 votes
    32
    Dukhan Field

    Dukhan Field

    Dukhan Field is a large petroleum-producing field extending over an area of approximately 80km in Qatar. The first well was drilled in 1939/1940 and the first export of petroleum from Dukhan went out in 1949. The field produces up to 335,000 barrels (53,300 m) of crude oil per day. The onshore Dukhan field, located along the west coast of the peninsula, is the country’s largest producing oil field. It contains 4 reservoirs - Khatiyah, Fahahil and Jaleha/Diyab, 3 are oil reservoirs, and 1 contains non-associated gas. Oil and gas are separated in 4 degassing stations; Khatiyah North, Khatiyah Main, Fahahil Main and Jaleha. Stabilized crude is transported by pipeline to the Mesaieed port.
    10.00
    2 votes
    33

    Noxal oil field

    Noxal is a deep underwater oil field in the Mexican waters of the Gulf of Mexico that was once believed to contain up to 10 billion barrels (1.6 billion cubic metres) of crude oil. Further drilling has revealed a modest 245 billion cubic feet (6.9 billion cubic metres) a modest natural gas find. The region is still expected to contain 10 billion barrels (1.6 billion cubic metres) of oil and natural gas equivalent. The field lies 4,000 metres (13,000 ft) below the sea bottom, which is itself 930 metres (3,050 ft) below sea surface, about 100 kilometres (62 mi) off the coast of Veracruz state.
    10.00
    2 votes
    34
    Elm Coulee Oil Field

    Elm Coulee Oil Field

    Elm Coulee Oil Field was discovered in the Williston Basin in Richland County, eastern Montana, in 2000. It produces oil from the Bakken Formation and, as of 2007, is the "highest-producing onshore field found in the lower 48 states in the past 56 years." By 2007, the field had become one of the 20 largest oil fields in the United States. The field exploits horizontal drilling technology by perforating the productive rocks parallel to the beds, rather than through a vertical well perpendicular to the relatively thin Bakken Formation. At Elm Coulee Field, the Bakken is only about 45 feet (15 m) thick and lies at depths of 8,500 to 10,500 feet (2,600–3,200 m), but horizontal wells penetrate 3,000 to 5,000 feet (900–1,500 m) of the reservoir rock, a porous dolomite of Devonian age that probably originated as a large carbonate bank on the western flank of the basin. The field is a stratigraphic trap. In 2006, Elm Coulee was producing about 53,000 barrels (8,400 m) of oil per day from more than 350 wells. Ultimate production is expected to exceed 270 million barrels (43,000,000 m), with some estimates as high as 500 million barrels (79,000,000 m). Production at Elm Coulee has more than
    8.00
    3 votes
    35

    Kizomba deepwater project

    The Kizomba deepwater project, is an oil drilling project owned and operated by ExxonMobil, situated off the coast of northern Angola. It is named after the Kizomba Angolan dance. The Kizomba A project utilizes the Hungo and Chocalho oil fields, in the so-called Block 15 concession off the Angolan coast. The project consists of a TLP and an FPSO, which receives oil from the wells to be stored until transfer to tankers. The Kizomba A FPSO (at the time of construction the world's largest), with a storage capacity of 2.2 million barrels (350,000 m). Built at a cost of over US$800 million by Hyundai Heavy Industries in Ulsan, Korea, it is operated by Esso Exploration Angola (ExxonMobil). Located in 1,200 metres (3,900 ft) of water at Deepwater block 200 statute miles (320 km) offshore in the Atlantic Ocean from Angola, West Africa, it weighs 81,000 tonnes and is 285 metres (935 ft) long, 63 metres (207 ft) wide and 32 metres (105 ft) high. Kizomba B is situated 8 km to the east of Kizomba A. ExxonMobil reported the startup phase in October 2005. The third phase, Kizomba C, was designed to develop 600 million barrels of oil from the Mondo, Saxi and Batuque fields in approximately
    8.00
    3 votes
    36

    Piper oilfield

    The Piper oilfield is a substantial North Sea oilfield. Oil extracted from it is piped to Scotland, where it is refined at a purpose built refinery on the island of Flotta, in the Orkney Islands. The field used Piper Alpha platform, site of one of the world's worst oil platform disasters in terms of lives lost and petroleum spilled, which collapsed in 1988. Four companies that later transformed into the OPCAL joint venture obtained an oil exploration licence in 1972 and discovered the Piper oilfield in early 1973. Oil production started in 1976 with about 250,000 barrels per day (40,000 m/d) increasing to 300,000 barrels per day (48,000 m/d). A gas recovery module was installed by 1980. Production declined to 125,000 barrels per day (19,900 m/d) by 1988. OPCAL built the Flotta oil terminal in the Orkney Islands to receive and process oil from the Piper, Claymore and Tartan fields, each with its own platform. A 30-inch (760 mm) diameter main oil pipeline run 128 miles (206 km) from Piper Alpha to Flotta, with a short oil pipeline from the Claymore platform joining it some 20 miles (32 km) to the west. The Tartan field also fed oil to Claymore and then onto the main line to Flotta.
    8.00
    3 votes
    37

    Cisco Springs Oil Field

    The Cisco Springs Oil and Gas Field is located in Grand County, Utah at 39°04′30″N 109°21′19″W / 39.075°N 109.35528°W / 39.075; -109.35528. The field produces mostly natural gas from the Dakota and Morrison Formations at depths ranging from 1,200 feet (370 m) to 2,200 feet (670 m). The Cisco Springs field is currently operated by Running Foxes Petroleum, Inc. a Denver, Colorado based independent company. Running Foxes sold 50% of the field to Nighthawk plc, a United Kingdom-based independent oil company.
    9.50
    2 votes
    38

    Romashkino Field

    The Romashkino field is an oil field in Tatarstan, Russia. Discovered in 1948, it is the largest oil field of Volga-Ural Basin. The field is operated by Tatneft. The field covers approximately 4,200 square kilometres (1,600 sq mi). The oil deposit is lays in depth of about 1,800 metres (5,900 ft) in Kinovskiy and Pashiyskiy formations. Since its commissioning, the Romashkino field had produced over 15 billion barrels (2.4×10^ m) of oil. Statistic analysis predicted depletion at 16.5 to 17.2 billion barrels (2.62×10^ to 2.73×10^ m). However, advanced technologies allow for extraction of more oil.
    9.50
    2 votes
    39

    Shaybah

    Shaybah Oil Field is a major crude oil producing site in Saudi Arabia and is located approximately 40 km from the northern edge of the Rub' Al-Khali/Empty Quarter desert. It is located about 10 km south of the border to Abu Dhabi, United Arab Emirates, which is a straight line drawn in the desert. It is 40 km south of the eastern part of Liwa Oasis of Abu Dhabi. Shaybah was developed for the purposes of exploiting the Shaybah oilfield. It was established by Saudi Aramco during the 1990s, and, prior to this, only the rough tracks used by early exploration teams existed in this isolated desert region. All materials for the establishment and construction of Shaybah were transported the 800 kilometres from Dhahran to Shaybah by road. Shaybah has housing facilities for 1,000 men, administrative offices, an air-strip, a fire station, recreation areas, maintenance and support workshops, and power stations for generation and distribution. There is a 650-kilometer fibre optic cable linking Shaybah to the main radio system at Abqaiq. When established, the Shaybah oilfield had estimated reserves of over 14 billion barrels (2.2×10 m) of crude oil and 25 trillion cubic feet (710 km) of gas.
    6.50
    4 votes
    40

    Priobskoye field

    The Priobskoye field is an oil field in Russia. It occupies an area of 5,466 square kilometres (2,110 sq mi) in the Khanty–Mansi Autonomous Okrug of Western Siberia. It is located along both banks of the Ob River, 65 kilometres (40 mi) east of the District's capital city, Khanty-Mansiysk, and 100 kilometres (62 mi) west of Nefteyugansk, the town that serves the field. The field was discovered in 1982. The northern three quarters of the field was controlled by YUKOS via an its daughter-company Yuganskneftegaz, and began oil production in 2000. In 2004 Yuganskneftegaz was bought by Rosneft, which is now the operating company for that portion of the field. The southern quarter of the field was controlled by Sibir energy, which began a joint venture with Sibneft to develop the field, with volume production beginning in 2003. Sibneft subsequently acquired complete control of the field via a corporate maneuver to dilute Sibir's holding. Sibneft is now majority controlled by Gazprom and renamed Gazprom Neft. In 2007, the field was producing 675,000 barrels per day (107,300 m/d): 550,000 barrels per day (87,000 m/d) in the northern part exploited by Rosneft, and 125,000 barrels per day
    7.67
    3 votes
    41
    Sagara Oil field

    Sagara Oil field

    Sagara Oil Field (相良油田, Sagara Yuden) is located in Makinohara, Shizuoka Prefecture, Japan. Crude oil was discovered at Sagara Village in May 1873, and hand-pumping operations began almost immediately. From 1874, Nippon Oil (the predecessor to modern ENEOS) began mechanical pumping operations. The Sagara field was the only producing oil field on Japan's Pacific coast, and was the first in Japan to use oil pumps. At the height of its production (in 1884), some 600 people were employed, and the field was producing 43,000 barrels of oil (721 kiloliters) per year. The oil was very light, and could be used in automobiles without refining. Production stopped in 1955, with the advent of cheap, imported oil. On November 28, 1980 the oil field was proclaimed a natural monument and protected cultural property by the Shizuoka Prefectural government, and was transformed into a public park.
    7.67
    3 votes
    42

    Snorre oil field

    Snorre is an oil and gas field in the Tampen area in the southern part of the Norwegian Sea. The sea depth in the area is 300 to 350 metres (980 to 1,150 ft). Snorre is operational since August 1992. It was the first field developed by Saga Petroleum. Snorre A platform in the south is a floating steel facility for accommodation, drilling and processing. Snorre A has also a separate process module for production from the Vigdis field. A subsea template with ten well slots, Snorre UPA, is located centrally in the field and connected to Snorre A. Oil and gas from Snorre A is piped to the nearby Statfjord A platform for final processing. Snorre B platform is located in the northern part of the field and is a semi-submersible integrated drilling, processing and accommodation steel facility. Oil from Snorre B is piped 45 km to Statfjord B platform for storage and export. The Snorre field is operated by Statoil. In 2009, Statoil started a project to upgrade the offshore production complex. The Norwegian Petroleum Directorate is requesting Statoil to build a new platform at the field. The reserves consist of 1.6 billion barrels (250×10^ m) of oil, 6.7 billion cubic meters of natural gas,
    7.67
    3 votes
    43

    Yadavaran Field

    Yadavaran Field oil field is one of the NIOC Recent Discoveries which is located in Khuzestan, Iran. The name is new, as the field is made up of two former fields, Koushk (discovered in 2000) and Hosseinieh (discovered in 2002). After researchers discovered that the two fields were actually connected, the field was renamed as the Yadavaran Field. The field is estimated to have reserves of up to 17 billion barrels (2.7 km³) of oil, with 3 billion barrels (0.5 km³) considered to be recoverable. On October 29, 2004, Iran negotiated a $70 billion deal with Sinopec, giving the Chinese company a 51% stake in the field's development. As part of the deal, China agreed to buy 10 million metric tons of liquified natural gas (LNG) from Iran per annum for 25 years. On December 2007, NIOC and Sinopec signed the final agreement for development of Yadavaran oil field. Based on the contract field will reach to the 180,000 bbl/d (29,000 m/d) of production capacity. Sinopec will be operator with a 51% stake in the project and NIOC holding the remaining interest. Total project cost at around US$2 billion. In a third phase the field is expected to reach 300,000 bbl/d (48,000 m/d) of production
    7.67
    3 votes
    44
    Mid-Continent Oil Field

    Mid-Continent Oil Field

    The Mid-continent oil field is a broad area containing hundreds of oil fields in Arkansas, Kansas, Louisiana, New Mexico, Oklahoma and Texas. The area, which consists of various geological strata and diverse trap types, was discovered and exploited during the first half of the 20th century. Most of the crude oil found in the onshore mid-continent oil field is considered to be of the mixed base or intermediate type (a mix of paraffin base and asphalt base crude oil types). The first commercially successful oil well drilled in what was to be called the Mid-continent Oil Field was the Norman No. 1 near Neodesha, Kansas, on November 28, 1892. The successes that followed of the Nellie Johnstone No. 1 (Bartlesville, Oklahoma) in 1897, Spindletop (Texas) in 1901, and the Ida Glenn No. 1 (Glenn Pool, Oklahoma) in 1905, demonstrated the existence of a large oil field in the central and southwestern United States. It became known as the Mid-continent Oil Field. Continued drilling found many other oil fields and pools within the Mid-continent, both large and small. Historically this area has produced more oil than any other area in the United States, and until the discovery of oil in the
    6.25
    4 votes
    45

    Heidrun oil field

    The Heidrun oil field is an oil and gas field discovered in 1985 in the Norwegian sector of the Norwegian Sea, named after the goat Heiðrún from Norse mythology. The field lies 175 kilometres (109 mi) West of Kristiansund. It has produced oil and gas since October 1995, and had a production of 165,000 barrels (26,200 m) of oil and 650 thousand cubic meter of natural gas per day in 2004. Its production in 2006 was estimated at 3 million cubic meter of natural gas and 140,000 barrels (22,000 m) of oil a day. The crude oil is characterized as being naphthenic with 25.0 API (0.9043 g/cm3), 0.52% sulfur and a high 2.90 TAN (Total Acid Number). The Heidrun field is located on Haltenbanken in the Norwegian Sea. The sea depth in the area is 350 metres (1,150 ft). The field has been developed with a floating concrete tension leg platform, installed over a subsea template with 56 well slots. The northern part of the field is developed with subsea facilities.
    9.00
    2 votes
    46

    Atlantis Oil Field

    The Atlantis oil field is the third largest oil field in the Gulf of Mexico. The field was discovered in 1998 and is located at the Green Canyon blocks 699, 700, 742, 743, and 744 in United States federal waters in the Gulf of Mexico about 130 miles (210 km) from the coast of Louisiana. The oil field lies in water depths ranging from 4,400 to 7,100 feet (1,300 to 2,200 m). The Atlantis has long been the target of safety critics. The Atlantis oil field has estimated ultimate reserves of about 600 million barrels (95×10^ m). The British energy company BP owns a 56% interest in the field in conjunction with BHP Billiton Petroleum Deepwater which owns a 44% interest. The oil field was discovered in 1998 by the Ocean America semi-submersible, mobile drilling rig operating in a water depth of 1,870 metres (6,140 ft). The discovery was later confirmed by wells drilled by GSF C.R. Luigs and Glomar Explorer. Production started in October 2007. The field is expected to produce about 200,000 barrels per day (32,000 m/d) of oil and 180 million cubic feet per day (5,100,000 m/d) of gas. The Atlantis field has been developed with a semi-submersible production platform, Atlantis PQ, designed by
    7.33
    3 votes
    47

    Buchan oil field

    The Buchan oil field is a small oil field with small gas reserves in the central North Sea. It lies in an area known as the South Halibut Basin, approximately 120 miles (190 km) northeast of Aberdeen, Scotland, and is located mainly in license block 21/1A, extending into block 20/5A(E). The field was discovered in August 1974, two years after the issue date for those blocks. Buchan was initially considered a very risky field, both commercially and operationally, and was expected to be finished with after five years. The field's geology created significant difficulties at the start of its development, but the development of new drilling and extraction technology has made possible a continuing increase in its recoverable reserves. It is thought that Buchan will continue to play an important part in the North Sea and that further technological breakthroughs will allow continued production of this field to at least 2018. As the initial licence block holder, Transworld Petroleum (UK) with Texaco made the first well into the field in Aug 1974. In the next two years a further three appraisal wells were drilled in the area. However this proved to be very difficult area to extract from:
    7.33
    3 votes
    48

    Samotlor Field

    Samotlor Field is the largest oil field of Russia and the sixth largest in the world, owned and operated by TNK-BP. The field is located at Lake Samotlor in Nizhnevartovsk district, Khanty–Mansi Autonomous Okrug, Tyumen Oblast. It covers 1,752 square kilometres (676 sq mi). The field was discovered in 1965. Development started in 1967 and first oil was produced in 1969. Discovery of this field had changed Nizhnevartovsk from a small nearby village into a busy oil city as Samotlor used to be the most important oil production base of the Soviet Union. Before forming TNK-BP, the field was developed by Samotlorneftgaz and TNK-Nizhnevartovsk. After creation of TNK-BP, these companies became subsidiaries of TNK-BP. Over the all development period a total of 2,086 well clusters (containing more than 17,000 wells) have been built and about 2.6 billion tons of oil has been produced. The peak production occurred in 1980 when Samotlor produced 158.9 million tons of oil (7 million barrels per day (1.1×10^ m/d)). The production has been in decline ever since, although according to TNK-BP the field production has stabilized over the past last years after. The in-place oil reserves of the
    7.33
    3 votes
    49

    Tupi oil field

    The Lula oil field (formerly Tupi oil field) is a large oil field located in the Santos Basin, 250 kilometres (160 mi) off the coast of Rio de Janeiro, Brazil. The field was nicknamed in honor of the Tupi people and later named after former Brazilian president Luiz Inacio da Silva. It is considered to be the Western Hemisphere's largest oil discovery of the last 30 years. The Lula field was discovered in October 2006 by BG Group, with the well flowing 4,900 barrels per day (780 m/d) of sweet 30 °API crude oil, 0.7 sulphur content and 4.3 million cubic feet per day (120,000 cubic metres per day) of gas from a deep pre-salt reservoir on a ⁄8-inch (16 mm) choke. The former president of Brazil, Luiz Inácio Lula da Silva called the field second independence for Brazil. The field was named after him in 2010. The upper estimate of 8 billion barrels (1.3 billion cubic metres) of recoverable oil would be enough to meet the total global demand for crude oil for about three months at the 2008 global extraction rate of around 85 million barrels per day (13,500,000 m/d). In January 2008 Petrobras announced the discovery of the Jupiter field, a huge natural gas and condensate field which could
    7.33
    3 votes
    50

    Qatif project

    The Qatif Project is an oilfield in Qatif, Saudi Arabia, operated by the country's national company Saudi Aramco. The project, the largest crude increment built in recent times, adds 650,000 barrels (103,000 mᅡᄈ) per day to the 150,000 barrels (24,000 mᅡᄈ) per day already produced from the Abu Safah field. At 800,000 barrels (127,000 mᅡᄈ) per day, Qatif became the world¬タルs largest crude production facility. In addition, it produces 370 million standard cubic feet (10,000,000 mᅡᄈ) per day of associated gas and 40,000 barrels (6,000 mᅡᄈ) per day of high-value condensate. No single project has ever pumped 800,000 barrels (127,000 mᅡᄈ) per day of crude oil, all at once into the global energy markets. The Qatif field, north of Dhahran and not far from Ras Tanura, amounts to more than 500 square kilometres, including northern and southern dome structures. The onshore component of the project will provide 500,000 barrels (80,000 mᅡᄈ) per day of Arabian Light Crude barrels per day of Arabian Medium. The project which took three million man-hours to design and 70 million man-hours to construct, brought with it the latest technological advancements to increase operational efficiency as
    6.00
    4 votes
    51
    Bemolanga

    Bemolanga

    Bemolanga is a large oil sands deposit in the onshore Morondava Basin of Madagascar. The deposit was discovered in the early 1900s but was known to locals for centuries. The field is located north of the Tsimiroro heavy oil field and east of the town of Morafenobe. The field is at 0–30 metres (0–98 ft) depth and about 120 kilometres (75 mi) from the coast. Madagascar Oil is a license holder of the Bemolanga field with 40% stake belonging to Total S.A.. Madagascar Oil] describes the field as being a giant bitumen field of 8-13ºAPI low sulphur (
    8.50
    2 votes
    52
    8.50
    2 votes
    53

    Campos Basin

    Campos Basin is one of 12 coastal sedimentary basins of Brazil. It spans both on-shore and off-shore parts and is located near Rio de Janeiro. The basin originated in Neocomian stage of the Cretaceous period 145–130 million years ago during the breakup of Gondwana. It has a total area of about 115,000 square kilometers whereas the on-shore portion is small at only 500 square kilometers. The off-shore oil exploration in the Campos Basin began in 1968. The first exploratory well was drilled in 1971. The first field to be discovered was Garoupa in 1974 at a shallow depth of 120 m. The first oil production started in 1977 from Enchova field at the depth of 124 m. The largest fields (discovery year) include Albacora (1984), Marlim (1985), Albacora Leste (1986), Marlim Sul (1987), Marlim Leste (1987), Barracuda (1989), Caratinga (1989), Espadarte (1994), Roncador (1996), Jubarte (2002) and Cachalote (2002). The largest Marlim field is located northeast of the Basin, 110 km offshore in water 650 to 1050 m deep. By 2003 41 oil and gas fields had discovered, which lie at the distances 50 to 140 km from the cost and at water depths varying from 80 to 2,400 m. Of these fields 37 are being
    10.00
    1 votes
    54

    East Midlands Oil Province

    The East Midlands Oil Province, also known as the East Midlands Petroleum Province, covers the petroliferous geological area across the north-eastern part of the East Midlands of England that has a few small oil fields. The largest field in the province is the Welton oil field, the second largest onshore oil field in the UK. It comprises Lincolnshire, North Lincolnshire, Nottinghamshire and northern Leicestershire. The UK's first oil field was discovered in the East Midlands, at Hardstoft in east Derbyshire in 1919. Prior to this, from 1851, oil shale in the Midland Valley in Scotland was used, until 1962. With North Sea oil, Britain became self-sufficient with oil since the early 1980s, and indeed exported much of this oil. It became a net exporter of oil in 1981, with exports peaking in 1985 and production peaking in 1999. The UK became a net exporter of gas in 1997 and a net importer of gas in 2004, and also a net importer of oil in 2004. UK consumption of petroleum increases each year. Per capita consumption of oil annually is about 1.3 tonnes. The UK has the capacity to refine 92 million tonnes of crude oil a year. Until 1990, relatively little oil was produced by UK onshore
    10.00
    1 votes
    55
    Ekofisk oil field

    Ekofisk oil field

    Ekofisk is an oil field in the Norwegian sector of the North Sea about 200 miles (320 km) southwest of Stavanger. Discovered in 1969 by Phillips Petroleum Company, it remains one of the most important oil fields in the North Sea. In 1971, Phillips started producing directly to tankers from four subsea wells. Oil production is planned to continue until at least 2050. Ekofisk reservoir consists of Cod, Ekofisk, West Ekofisk, Tor, Albuskjell, Eldfisk, Edda and Embla oil fields. The Ekofisk Center is a vast complex of platforms and structures creating a transportation hub also for surrounding fields such as Valhall, Hod, Gyda, Ula, Statfjord, Heimdal, Tommeliten and Gullfaks. The whole complex consists of 29 platforms. Produced oil is transported by the Norpipe oil pipeline to the Teesside Refinery in England. Natural gas is transported by the Norpipe gas pipeline to Emden in Germany. In the mid-1980s the Ekofisk field as a whole and the platforms in particular were found to be suffering from an unexpected degree of subsidence. Detailed geological investigation showed that it was the result of delayed compactional diagenesis of the Chalk Formation reservoir rocks. As hydrocarbons were
    10.00
    1 votes
    56
    Ghawar Field

    Ghawar Field

    Ghawar (Arabic:الغوار) is an oil field located in Al-Ahsa Governorate, Saudi Arabia. Measuring 280 by 30 km (170 by 19 mi), it is by far the largest conventional oil field in the world. Ghawar is entirely owned and operated by Saudi Aramco, the state run Saudi oil company. Relatively little technical information is publicly available, because the company and Saudi government closely guard field performance data and per-field production details. Available information is predominantly historical (pre-nationalization), from incidental technical publications, or anecdotal. Ghawar occupies an anticline above a basement fault block dating to Carboniferous time, about 320 million years ago; Cretaceous tectonic activity, as the northeast margin of Africa began to impinge on southwest Asia, enhanced the structure. Reservoir rocks are Jurassic Arab-D limestones with exceptional porosity (as much as 35% of the rock in places), sourced from the Jurassic Hanifa formation, a marine shelf deposit of mud and lime with as much as 5% organic material (1% to 7% is considered good oil source rock). The seal is an evaporitic package of rocks including impermeable anhydrite. Historically, Ghawar has
    10.00
    1 votes
    57

    Yibal

    Yibal is the largest oilfield in Oman. It began production in 1968, and at its peak had a production of nearly 250,000 barrels per day (40,000 m/d). In recent years, it has begun to decline, and in 2005 produces about 88,000 barrels per day (14,000 m/d). The Yibal oil field is operated primarily by Royal Dutch Shell.
    10.00
    1 votes
    58
    Azeri-Chirag-Guneshli

    Azeri-Chirag-Guneshli

    Azeri–Chirag–Guneshli (ACG) (Azerbaijani: Azəri-Çıraq-Günəşli) is a large complex of oil fields in the Caspian Sea, about 120 kilometres (75 mi) off the coast of Azerbaijan. An overall estimated area of the field is 432.4 square kilometres (167.0 sq mi). It is operated by a BP-led consortium. The ACG fields have estimated recoverable reserves of about 5 to 6 billion barrels (790×10^ to 950×10^ m) of petroleum. As of the end of 2005, the production rate from eight pre-drilled wells at the platform was approximately 240,000 barrels per day (38,000 m/d). The peak of oil production, 835.000 barrels per day, was reached in third quarter of 2010. In the first quarter of 2012 oil production was about 710.000 barrels per day. BP reports that crude oil from ACG is exported through the Baku–Tbilisi–Ceyhan pipeline to the Mediterranean Sea and the Baku-Supsa Pipeline to Supsa in Georgia, as well as through the Baku-Novorossiysk Pipeline to Novorossiysk in Russia. It is also believed that there are large untapped gas reserves under ACG oilfields which can be used for the planned Nabucco pipeline. Media reports indicate that according to American Consulting Association IHS CERA (Cambridge
    7.00
    3 votes
    59
    Burgan Field

    Burgan Field

    The onshore Burgan field is an oil field situated in the desert of southeastern Kuwait. Burgan field can also refer to the Greater Burgan—a group of three giant closely spaced fields, which includes Burgan field itself as well as much smaller Magwa and Ahmadi fields. Greater Burgan is the world's largest sandstone oil field. The Burgan oil field was discovered in February, 1938. The USA and UK-owned Kuwait Oil Company began commercial oil production at Burgan in 1946. The Greater Burgan, a wider area around Burgan, is the world largest sandstone (clastic) oil field with the total surface area of about 1000 km. It includes three producing subfields: Burgan itself (500 km), Magwa (180 km) and Ahmadi (140 km). Burgan and Magwa structures are anticlinal domes having an elliptical shape and transected by numerous radial faults. The oil is contained in the four main horizons of Cretaceous age: Wara (sandstone), Mauddud (limestone), Burgan Third Sand (3S) and Burgan Fourth Sand (4S). Burgan Third Sand is in turn subdivided into Third Sand Upper (3SU), Third Sand Middle (3SM) and Third Sand Lower (3SL). Historically the production has come mainly from the 3SM unit. By 1992 the second and
    7.00
    3 votes
    60
    Hamburg

    Hamburg

    The Hamburg oil field is a remote area in north-western Alberta, Canada, with intense exploration and production of oil and gas. The closest town is Manning, at 180 km east. Drilling activity is especially intense during the winter months, when the otherwise soft muskeg can be crossed on winter roads. During the warmer months, considered break-up, some activity can remain due to Access Mats provided by companies such as Spruceland Millworks of Acheson. Among the corporations that have a large interest in the area are Devon Energy, Apache Corporation, Burlington Resources and Anadarko Petroleum Corporation.
    7.00
    3 votes
    61
    North Sea oil

    North Sea oil

    North Sea oil is a mixture of hydrocarbons, comprising liquid oil and natural gas, produced from oil reservoirs beneath the North Sea. In the oil industry, the term "North Sea" often includes areas such as the Norwegian Sea and the area known as "West of Shetland", "the Atlantic Frontier" or "the Atlantic Margin" that is not geographically part of the North Sea. Brent crude is still used today as a standard benchmark for pricing oil, although the contract now refers to a blend of oils from fields in the northern North Sea. Commercial extraction of oil on the shores of the North Sea dates back to 1851, when James Young retorted oil from torbanite (boghead coal, or oil shale) mined in the Midland Valley of Scotland. Across the sea in Germany, oil was found in the Wietze field near Hanover in 1859, leading to the discovery of 70 more fields, mostly in Lower Cretaceous and Jurassic reservoirs, producing a combined total of around 1340 m³ (8,400 barrels) per day. Gas was found by chance in a water well near Hamburg in 1910, leading to minor gas discoveries in Zechstein dolomites elsewhere in Germany. In England, BP discovered gas in similar reservoirs in the Eskdale anticline in 1938,
    7.00
    3 votes
    62
    Orinoco Belt

    Orinoco Belt

    The Orinoco Belt is a territory which occupies the southern strip of the eastern Orinoco River Basin in Venezuela. Its local Spanish name is Faja Petrolífera del Orinoco (Orinoco Petroleum Belt). The Orinoco Belt is located south of the Guárico, Anzoátegui, Monagas, and Delta Amacuro states, and it follows the line of the river. It is approximately 600 kilometres (370 mi) from east to west, and 70 kilometres (43 mi) from north to south, with an area about 55,314 square kilometres (21,357 sq mi). The Orinoco Belt consists of large deposits of extra heavy crude (oil sands), known as the Orinoco Oil Sands or the Orinoco Tar Sands. The Orinoco Tar Sands are known to be one of the largest, behind that of the Athabasca Oil Sands in Alberta, Canada. Venezuela's non-conventional oil deposits of about 1,200 billion barrels (1.9×10 m), found primarily in the Orinoco oil sands, are estimated to approximately equal the world's reserves of conventional oil. Petróleos de Venezuela S.A. has estimated that the producible reserves of the Orinoco Belt are up to 235 billion barrels (3.74×10 m) which would make it the largest petroleum reserve in the world, before Saudi Arabia. In 2009, USGS updated
    7.00
    3 votes
    63
    Trenton Gas Field

    Trenton Gas Field

    The Trenton Gas Field is located in east central Indiana and the most western portion of west central Ohio. The field was discovered in 1876, but the size and magnitude of the field was not known until the 1880s. The field was the largest natural gas discovery up to that time, containing over 1 trillion cubic feet (28 km) of natural gas. The field also contained the first giant oil reserve discovered in the United States with an estimated 1 billion barrels (160,000,000 m) of oil. The discovery began the Indiana Gas Boom. Almost all of the natural gas was removed from the field by 1910, but only about 10% of the oil was removed at that point. The lack of pressure caused by the removal of the gas led to complete stop of oil production, even though an estimated 900 million barrels (140,000,000 m) of oil remained in the field. Beginning in the late 20th century, oil production resumed at a slow pace after advances in artificial lift technology. Oil and gas production from this field led the Standard Oil Company to establish refinery operations in Indiana. The firm's production and refinery interests led, in turn, to Standard's Indiana interests being grouped together after the 1911
    5.75
    4 votes
    64

    Auk oilfield

    The Auk Oilfield is situated 249 kilometres (155 mi) east, southeast of Aberdeen, Scotland, in block number 30/16. It was operated by Royal Dutch Shell until October 2006 when it was bought by Talisman Energy, and is now licensed by Talisman Energy. It was discovered in February 1971 in a water depth of 82 metres. Estimated ultimate recovery is 88.5 million barrels (14.07×10^ m) of oil. The field is named after the Auk a family of sea birds. There is a legend that it was to be called A UK, as the first British oilfield, until somebody realised that the sixth field would be called F UK and Shell's policy was rapidly changed to name their fields after sea birds. Shells sixth UK oilfield is called Fulmar. The oil reservoir is located at a depth of 2,316 metres (7,598 ft). Production started in December 1975 from the Auk 'A' platform. This platform is a steel, 8 legged jacket designed by Shell Oil and constructed at Methil, Fife, Scotland. This jacket weighs 3,414 tonnes and support a topside weight of around 8,000 tonnes. The topsides facilities included capability to drill, produce meter and pump oil. Initially production was to an ELSBM and then to the Fulmar Alpha platform in
    6.67
    3 votes
    65
    Baba Gurgur

    Baba Gurgur

    Baba Gurgur (بابا كركر) (, Turkish: Babe gurgur) is a large oil field near the city of Kirkuk which was the first to be discovered in Northern Iraq in 1927. It was considered the largest oil field in the world until the discovery of the Ghawar field in Saudi Arabia in 1948. Baba Gurgur is located 16 kilometers northwest of Arrapha and is famous for its Eternal Fire (Arabic: النار الازلية‎) located at the middle of its oil fields. The Eternal Fire of Baba Gurgur (father of fire in Kurdish, Arabic) is a name used to describe the flames of the Baba Gurgur oil field. It is estimated that the burning flames have been around for more than 4,000 years. The Eternal Fire was first described by Herodotus and also has been described by other ancient Greek authors such as Plutarch. Many believe the Eternal Fire to be the same Fiery furnace in the Book of Daniel, chapter 3 in the Tanakh (Old Testament) into which King Nebuchadnezzar (ca. 630-562 BC), King of Babylon throws 3 Jews for refusing to worship his golden idol. It has a significant symbolic value for residents of Kirkuk. The burning flames are the result of an emission of natural gas through cracks in the Baba Gurgur area's rocks. The
    6.67
    3 votes
    66
    Hibernia oil field

    Hibernia oil field

    Hibernia is an oil field in the North Atlantic Ocean, approximately 315 kilometres (196 mi) east-southeast of St. John's, Newfoundland, Canada. The production platform Hibernia is the world's largest oil platform and consists of a 37,000 t (41,000 short tons) integrated topsides facility mounted on a 600,000 t (660,000 short tons) gravity base structure. The platform was towed to its final site, and 450,000 t (500,000 short tons) of solid ballast were added to secure it in place. Inside the gravity base structure are storage tanks for 1.2 million barrels (190,000 m) of crude oil. The Hibernia platform is at N46°45.026' W48°46.976'. Exploration drilling to map the field began in the 1960s and continued into the 1980s, with the loss of the Ocean Ranger mobile offshore drilling unit (MODU) in the process. In the mid-1980s, a new Conservative federal government under Brian Mulroney pledged that then Crown corporation Petro-Canada (now part of Suncor Energy) would be a lead player in creating a commercially viable offshore development on the Hibernia field. Hibernia would become one of a series of regional "mega-projects" that Mulroney's government started across Canada during this
    8.00
    2 votes
    67
    Kashagan Field

    Kashagan Field

    Kashagan Field is an offshore oil field located in Kazakhstan. The field is situated in the northern part of the Caspian Sea close to the Kazakhstan city of Atyrau. The field was discovered in 2000 and was one of the larger discoveries in that decade, it is estimated that the Kashagan Field has commercial reserves from 9 billion barrels (1.4×10 m) to 16 billion barrels (2.5×10 m) of oil. The field is offshore in a harsh environment, where sea ice is present in the winter and temperatures from -35 °C (-31 °F) to 40 °C (104 °F) can be encountered. Commercial production is expected to start by the end of 2012, according to Kairgeldy Kabyldin, the chief executive of Kazakhstan's state oil and gas company KazMunaiGas. It has been designated as the main source of supply for the Kazakhstan-China oil pipeline. Kashagan is considered the world's largest discovery in the last 30 years, combined with the Tengiz Field. The Kashagan Contract area covers an area of over 5,500 km (3,400,000 mi) in the Caspian Sea. The field contract area consists of five separate fields, producing formations from the Precaspian Basin. These fields are Kashgan, Kalamkas A, Kashagan Southwest, Aktote and the
    8.00
    2 votes
    68
    Oseberg oil field

    Oseberg oil field

    Oseberg (Norwegian: Osebergfeltet) is an offshore oil field with a gas cap in the North Sea located 140 km (87 mi) northwest of the city of Bergen on the southwestern coast of Norway. The field, which is 25 km long by 7 km wide, was discovered in 1979 and its development is known to be one of the significant milestones in emergence of Norway's independent oil and gas industry. The Oseberg field was named after Oseberg ship, one of Norway's most significant archeological discoveries. The ancient Viking ship from the early 9th century was discovered in a 1904 historical excavation of a burial mound at the Oseberg Farm, south of Oslo. An extensive subsea pipeline network called Oseberg Transport System (OTS) transports up to 765,000 bbl/d (121,600 m/d) from the Oseberg area to Sture terminal in Norway. The sea depth in the Oseberg area is 100 meters. The Oseberg Field Centre consists of three platforms: Oseberg A, B and D, connected to each other by bridges, in the southern part of the Oseberg field and the Oseberg C platform, which is located 14 kilometers north of the field center. The operator is Statoil, in partnership with Petoro, Total, ExxonMobil and ConocoPhillips. The field
    8.00
    2 votes
    69
    8.00
    2 votes
    70
    Bombay High

    Bombay High

    Bombay High is an offshore oilfield 160 kilometres (99 mi) off the coast of Mumbai, India. The oil operations are run by India's Oil and Natural Gas Corporation (ONGC). Bombay High field was discovered by a Russian and Indian oil exploration team operating from the seismic exploration vessel Academic Arkhangelsky during mapping of the Gulf of Khambhat (earlier Cambay) in 1964-67. The naming of the field is attributed to a team from a survey run in 1965 analysed in the Rashmi building in Peddar Road, Cumballa Hill, Bombay. The first offshore well was sunk in 1974. Every oil resource rock requires oil trap structures which are mainly salt dome, coral reefs, fault trap and fold trap. In case Bombay High it is anticlinal fold trap and this is the most probable reason to call it "Bombay High". As of 2004, it supplied 14% of India's oil requirement and accounted for about 38% of all domestic production. On 27 July 2005, a major fire destroyed the production platform, leaving at least 11 people dead despite rescue measures taken by the Indian Coast Guard. The platform accounted for 110,000 barrels per day (17,000 m/d), or 15% of India's oil production. Rebuilding this is expected to take
    6.33
    3 votes
    71

    Caño Limón

    The Caño Limón – Coveñas pipeline is a crude oil pipeline in Colombia from the Caño Limón oilfield in the municipalities of Arauca and Arauquita in Arauca Department on the border of Venezuela to Coveñas on Colombia's Caribbean coastline. It is jointly owned by the state oil firm Ecopetrol, and U.S. company Occidental Petroleum. The pipeline is 780 kilometres (480 mi) long. The pipeline was opened in 1986. During its existence, the pipeline has often been attacked by guerrilla organizations that oppose the Colombian government. The National Liberation Army (ELN), which has traditionally been involved in such attacks, charged in a communique that "in our country, energy policy does not prioritize investment (in Colombia) but rather exploitation and consumption that sacrifices future generations." Together with the FARC, they have repeatedly sabotaged and exploded sections of the pipeline. The Colombian government has militarized the area in response. For several years a security tax was imposed on oil producers in the region, which have also been targeted by guerrilla extortion and kidnappings. Occidental Petroleum also contracted the security firm AirScan to aid the Colombian
    6.33
    3 votes
    72

    Bolivar Coastal Field

    Bolivar Coastal Field is the largest oil field in South America with its 6,000-7,000 wells and forest of related derricks, stretches thirty-five miles along the north-east coast of Lake Maracaibo, Venezuela. Discovered in 1917, the Bolivar Coastal fields produce from wells on platforms in the shallow lake. The field is thought to have a total of approximately 30-32 billion barrels of oil. The field produces between 2.6 million barrels per day (410,000 m/d) and 3 million barrels per day (480,000 m/d). Portions of the oil field have already been fully depleted.
    9.00
    1 votes
    73

    Clair oilfield

    The Clair oilfield is an oil field on the United Kingdom Continental Shelf located 75 kilometres (47 mi) west of Shetland in water depths of up to 140 metres (460 ft). It extends over an area of some 220 square kilometres (85 sq mi), covering five licence blocks. The Clair reservoir was discovered in 1977, with exploration well #206/8-1a penetrating a 568-metre (1,864 ft) oil column in a thick sequence of Devonian to Carboniferous continental sandstone. In the 1980s ten appraisal wells were drilled. This activity demonstrated that the structure extended to an area of some 400 square kilometres (150 sq mi) with static oil-in-place, although it failed to confirm the presence of economically recoverable reserves. Two further wells were drilled in 1991, two in 1992 and one in 1995. Two of these wells (206/8-8 and 206/8-9z) demonstrated the potential for commercial flow rates but were not produced for long enough to give confidence in long term reservoir deliverability. In 1996 there was a breakthrough in the drilling and extended well testing (EWT) of well #206/8-10z. The EWT was followed by the side-tracking of an offset well into the pressure sink created by the EWT. The 1996 well
    9.00
    1 votes
    74

    Khurais oil field

    Khurais oil field(Arabic:حقل خريص) is an oil field in Saudi Arabia that went online on June 10, 2009, adjacent to the world's largest, the Ghawar trend. The Khurais field, with an area of 2,890 km² and 127 km long, located about 250 km southwest of Dhahran and 300 km north southeast of Riyadh. Pilot-scale production at Khurais began in 1963, but the field was never fully developed. A project to develop this field along with Abu Jifan and Mazalij oil fields is called the Khurais Megaproject. The project began in 2006, is led by Halliburton for wells drilling, Snamprogetti for Crude and Utilities, Hyundai for Gas, is expected to cost $3 billion, and is expected to increase Saudi Arabia's export capacity from 11.3 to 12.5 million bpd. It will produce Arabian light crude, as well as 315 million scfd of sour gas for Shedgum Gas Plant and 70,000 bpd of Natural Gas Liquids (NGL) for Yanbu Gas Plant.
    9.00
    1 votes
    75
    Permian Basin

    Permian Basin

    The Permian Basin is a sedimentary basin largely contained in the western part of the U.S. state of Texas and the southeastern part of the state of New Mexico. It reaches from just south of Lubbock, Texas, to just south of Midland and Odessa, extending westward into the southeastern part of the adjacent state of New Mexico. It is so named because it has one of the world's thickest deposits of rocks from the Permian geologic period. The greater Permian Basin comprises several component basins: of these, Midland Basin is the largest, Delaware Basin is the second largest, and Marfa Basin is the smallest. The Permian Basin extends beneath an area approximately 250 miles (400 km) wide and 300 miles (480 km) long. The Permian Basin gives its name to a large oil and natural gas producing area, part of the Mid-Continent Oil Producing Area. Total production for that region up to the beginning of 1993 was over 14.9 billion barrels (2.37×10 m). The towns of Midland and Odessa serve as the headquarters for oil production activities in the basin. The Permian Basin is also a major source of potassium salts (potash), which are mined from bedded deposits of sylvite and langbeinite in the Salado
    9.00
    1 votes
    76

    Brae oilfield

    The Brae field is a Scottish oil field. The name comes from a Scots language word for hillside. The Fields are operated by Marathon Oil and are located in UKCS block 16/7a. Three accumulations total about 70 million tonnes of oil liquids and a further 22 cubic kilometres of gas. The main platforms currently produce from underlying reserves, with regular infill drilling to identify and exploit undrained pockets in the Brae stratigraphy. A number of subsea tieback fields in the area produce through facilities on the platforms, extending their viability into the future. Gas is exported to St Fergus, Scotland via the SAGE pipeline system and oil is exported via the Forties system.
    7.50
    2 votes
    77

    East Shetland Basin

    The East Shetland Basin is a major oil-producing area of the North Sea between Scotland and Norway. Oil produced there is landed at Sullom Voe Terminal in the Shetland Islands.
    7.50
    2 votes
    78

    Foinaven oilfield

    Foinaven oil field is deepwater oil development approximately 190 kilometres (120 mi) west of the Shetland Islands. Together with Schiehallion, Loyal and Clair fields it forms the area generally termed as the West of Shetland. Foinaven oil field was discovered in October 1990. It is located in blocks 204/19 and 204/24a of the United Kingdom Continental Shelf in a water depth of 400–600 metres (1,300–2,000 ft). Recoverable oil reserves of Foinaven are estimated to be between 250 and 600 million barrels (40,000,000 and 95,000,000 m). Although the location is described as in the continental shelf block, in practise Foinaven is the first development made beyond the actual reach of continental shelf. The Foinaven field is operated by BP Exploration in partnership with Marathon Oil. The development of the field was sanctioned in 1994 and the oil production in Foinaven started in November 1997. The phase 1 with 21 wells was completed in 2000. It has the designed oil production capacity of 85,000 barrels per day (13,500 m/d) of oil. Oil is produced by subsea wells via a manifold, which passes through rigid flowlines and then flexible risers into a floating production, storage and
    6.00
    3 votes
    79
    7.00
    2 votes
    81
    Athabasca Oil Sands

    Athabasca Oil Sands

    The Athabasca oil sands or Athabasca tar sands are large deposits of bitumen or extremely heavy crude oil, located in northeastern Alberta, Canada - roughly centred on the boomtown of Fort McMurray. These oil sands, hosted in the McMurray Formation, consist of a mixture of crude bitumen (a semi-solid form of crude oil), silica sand, clay minerals, and water. The Athabasca deposit is the largest known reservoir of crude bitumen in the world and the largest of three major oil sands deposits in Alberta, along with the nearby Peace River and Cold Lake deposits. Together, these oil sand deposits lie under 141,000 square kilometres (54,000 sq mi) of boreal forest and muskeg (peat bogs) and contain about 1.7 trillion barrels (270×10^ m) of bitumen in-place, comparable in magnitude to the world's total proven reserves of conventional petroleum. Although the former CEO of Shell Canada, Clive Mather, estimated Canada's reserves to be 2 trillion barrels (320 km) or more, the International Energy Agency (IEA) lists Canada's reserves as being 178 billion barrels (2.83×10 m). With modern unconventional oil production technology, at least 10% of these deposits, or about 170 billion barrels
    8.00
    1 votes
    82

    Chicontepec Field

    The Chicontepec Basin (Chicontepec Formation) is a petroleum system in Mexico north-east of Mexico City, covering an area of around 3,800 square kilometres (1,500 sq mi) in the states of Veracruz, Puebla and Hidalgo. Several oil fields have been discovered in that area since 1926. A major field was discovered in 1973 but contains extra heavy crude, which due to special refining needs is considered unviable at this time. Since that time, tiny amounts of oil have been produced. While the reserves are overwhelmingly extra heavy crude, pockets of lighter tight oil, as well as natural gas, are also found in the basin. Chicontepec Basin contains Mexico's largest certified hydrocarbon reserve, totaling more than 19 billion barrels (3.0×10^ m) of oil equivalent with original oil in place of over 139 billion barrels (22.1×10^ m) of oil equivalent; recovery is complicated by challenging, low recovery rate reservoirs, but is made more attractive due to the presence of light and super-light crude oil. . In 2003, PEMEX said it could take total investment of $30 billion over 15 years to fully develop Mexico's oil and gas reserves in the Chicontepec Basin. The project would require drilling
    8.00
    1 votes
    83

    Valhall oil field

    Valhall is an oil field in the Norwegian sector of the North Sea. Discovered in 1975, production began in 1982 and is expected to continue until 2050. Valhall is located in 70 metres of water. It produces from chalk in the Tor and Hod Formations of Late Cretaceous age. The reservoir depth is approximately 2 400 metres. The field was originally developed with three facilities (QP, DP and PCP) but now the complex consists of five separate steel platforms that are bridge-connected. There are also two unmanned flank platforms, one in the south and one in the north, both around 6 kilometres from the field centre. The QP was built in 1979 and started being used in July 1981. It has accommodation for 208 people. The DP is situated centrally and has 30 well slots. The platform started operation on 17 December, 1981 with the first covered derrick. The PCP is built to process 168,000 barrels (26,700 m) of oil and 350 million cubic feet (9,900,000 m) of gas per day. The platform is 65 metres high and weighs 21,000 tons. The oil production is piped to 2/4-J at the Ekofisk Center and goes to Teesside in England. The gas is transported directly via the Norpipe pipeline to Emden in Germany. The
    8.00
    1 votes
    84

    Salt Creek Oil Field

    The Salt Creek Oil Field, surrounds the town of Midwest in Natrona County, Wyoming, approximately 40 mi (64 km) north of Casper, was at one time in the early 20th century the largest light crude oil field in the world. It was historically one of the most important petroleum deposits in Wyoming. The field was discovered in the 1880s. The first white person to acquire land in the region was Stephen W. Downey in 1883, shortly after the discovery of a petroleum seep at Jackass Springs. In 1889 the discovery well was drilled in the Shannon pool. In 1895, the landowner of Shannon pool built an oil refinery in Casper to process the oil. The main well in the Salt Creek Field was drilled in October 1908 at the Dutch no. 1 location. The well initially produced 150 barrels (24 m³) per day. In subsequent years, the field was extensively developed and the field became famous for its many gushers. A pipeline to the Casper refinery was built in 1911. Salt Creek as the largest light oil field was surpassed in the 1920s by the nearby Teapot Dome field, the source of scandal during the Warren G. Harding administration. Both Salt Creek and Teapot Dome are now severely depleted, and production is
    6.50
    2 votes
    85

    West Qurna Field

    West Qurna (Arabic: غرب قرنة‎) is one of Iraq's largest oil fields, located north of Rumaila field, west of Basra. West Qurna is believed to hold 43 billion barrels (6.8×10^ m) of recoverable reserves, making it the second largest field in the world after Saudi Arabia's Ghawar oil field. The field was closed to Western firms due to years-long sanctions. In November 2009, an Exxon Mobil - Shell joint venture won a $50 billion contract to develop the 9-billion-barrel (1.4×10^ m) West Qurna Phase I. As per Iraqi Oil Ministry estimates, the project will require a $25 billion investment and another $25 billion in operating fees creating approximately 100,000 jobs in underdeveloped southern region. ExxonMobil is set to increase the current production of 0.27 to 2.25 million barrels per day (43×10^ to 358×10^ m/d) within seven years. The Iraqi government, in turn, will pay $1.90 per barrel produced by ExxonMobil-Shell alliance. In December 2009, Russia's Lukoil and Norway's Statoil were awarded the rights to develop the 12.88-billion-barrel (2.048×10^ m) West Qurna Phase II oil field. The Lukoil-Statoil alliance will receive $1.15 per barrel that they produce. In addition, they will work
    6.50
    2 votes
    86

    East Texas oil field

    The East Texas Oil Field is a large oil and gas field in east Texas. Covering 140,000 acres (570 km) and parts of five counties, and having 30,340 historic and active oil wells, it is the second largest oil field in the United States outside of Alaska, and first in total volume of oil recovered since its discovery in 1930. It is a component of the Mid-Continent Oil Province, the huge region of petroleum deposits extending from Kansas to New Mexico to the Gulf of Mexico. The field includes parts of Gregg, western Rusk, southern Upshur, southeastern Smith, and northeastern Cherokee counties in the northeastern part of the state. Overall the field is about 45 miles (72 km) long on the north-south axis, and five miles (8 km) across. Interstate 20 cuts across the field from east to west, and the towns of Kilgore, Overton, and Gladewater are on the field. At one time, downtown Kilgore had more than 1,000 active wells clustered in a tight area, making it the densest oil development in the world. The primary productive geologic unit is the Cretaceous-age Woodbine Formation, a regional petroleum-bearing unit which had been known since the early part of the 20th century. This sandstone unit
    5.33
    3 votes
    87

    Great Burgan

    Most of Kuwait's oil is located in the Great Burgan area (reserves of approximately 70 billion barrels) and is considered to be the world's second largest oil field. These three fields together pump 31' and 33' range crude into 14 tank farms. Great Burgan comprises the Burgan, Al-Maqwa, and Al-Ahmadi fields located south of Kuwait City. The Burgan field is known to be pressurized by seawater intrusion. While this had been speculated upon for decades, definitive proof was made evident in the 1991-92 period when the Iraqi Army used demolition explosives to break open scores of wells and set them on fire. The wells kept producing oil until capped, demonstrating to the world that natural pressure was causing the oil to flow to the surface, and pressure in nearby Saudi Arabian fields declined until the Burgan wells were capped. If the wells were productive under artificial lift the fires would have self extinguished from lack of fresh oil when the pumps were shut off. In 2006 and again in 2007 the national oil company of Kuwait has stated that Burgan is producing at its best possible rate. If true this demonstrates that Kuwait has reached peak production and can not increase its
    5.33
    3 votes
    88
    Cisco Oil Field

    Cisco Oil Field

    Cisco Oil Field is an oil field located in Grand County, Utah. The field was discovered in 1924 in the now abandoned town of Cisco, Utah. It is one of the oldest oil fields in the state of Utah. New production was discovered in the Cisco townsite during 2005 drilling by a Reno, Nevada-based oil company. The field produces from channel sands in the Mancos, Dakota and Morrison formations. Natural gas is produced from the Mancos and Dakota formations, while the Morrison production is mostly crude oil. The oil gravity is 34–35 degree API while the natural gas is 1,100 BTU (1,200 kJ).
    6.00
    2 votes
    89
    Statfjord oil field

    Statfjord oil field

    The Statfjord oil field is an enormous oil and gas field in the Norwegian sector of the North Sea operated by Statoil. It is a trans-median field crossing the Norwegian and UK North Sea Boundary with approximately 15% being in the UK Continental Shelf waters. At peak production it produced over 700,000 barrels (110,000 m) of oil per day. Oil is loaded offshore and taken directly to refineries; gas is transported via the Statpipe pipeline to mainland Norway. The Statfjord field has three condeep concrete production platforms, A, B and C. Each platform is made up of approximately 250,000 tonnes of concrete with 40,000 tonnes of top-side processing and accommodation facilities. Statfjord holds the record for the highest daily production ever recorded for a European oil field (outside Russia) : 850,204 barrels (135,171.6 m) (crude oil plus natural gas liquids) were produced on January 16, 1987. Current production is less than 70,000 barrels per day (11,000 m/d), and no European field exceeds 250,000 barrels per day (40,000 m/d). Statoil has planned the "late life" of the field expects to ultimately recover 68% of Oil in Place. but more than 60% have been produced already, leaving
    6.00
    2 votes
    90
    7.00
    1 votes
    91
    Brent oilfield

    Brent oilfield

    The Brent field is an oil field located in the East Shetland Basin 186 kilometres (116 mi) north-east of Lerwick, Shetland Islands, Scotland at the water depth of 140 metres (460 ft). The field operated by Shell UK Limited was once one of the most productive parts of the UK's offshore assets but is now nearing the end of its useful life. Shell initially named all of their UK oil fields after waterbirds in alphabetical order by discovery - Auk, Brent, Cormorant, Dunlin, Eider, Fulmar and so on. Brent refers to the Brent Goose, although it is also an acronym for the members of the Jurassic Brent formation that make up the field: Broom, Rannoch, Etive, Ness and Tarbert (in turn named after features in the Scottish Highlands). Situated in the East Shetland Basin, the Brent is the archetype for many of the fields in the area, consisting of a tilted fault block exposing the eponymous Brent formation next to bounding faults which allowed migration from deeper adjacent "kitchen" areas where the Kimmeridge Clay Formation becomes fully mature and releases hydrocarbons. Unusually on a worldwide scale (but common in this basin), the seal or cap rock for the reservoir (which stops the
    7.00
    1 votes
    92

    Cormorant oilfield

    The Cormorant oilfield is located 161 kilometres (100 mi) north east of Lerwick, Shetland, Scotland, in block number 211/26a. It was discovered in September 1972 at a depth of 150 metres (490 ft). Estimated recovery is 90 million barrels (14×10^ m) of oil. The oil reservoir is located at a depth of 2,895 metres (9,498 ft). Originally, it was operated by Shell and licensed to Shell/Esso. On 7 July 2008, it was purchased by Abu Dhabi National Energy Company. Production started in December 1979 from the Cormorant Alpha platform. This platform is a concrete gravity platform of the Condeep type. It has four legs and storage capacity for 1 million barrels (160,000 m) of oil. The total sub-structure weight is 294,655 tonnes and it is designed to carry a topsides weight of 32,350 tonnes. The topsides facilities included capability to drill, produce, meter and pump oil. It also has capability to re-inject water to maintain reservoir pressure. Peak production was 24,000 barrels per day (3,800 m/d) in 1979. The platform is also the starting point for the Brent System pipeline, a major communications centre and the location of Brent Log - air traffic control for Northern North Sea helicopter
    7.00
    1 votes
    93

    Darwin Bank

    Darwin Bank (Azerbaijani: Darvin bankəsi) is an Azerbaijani bank oil field in the Caspian Sea, 45 kilometres (28 mi) - 50 kilometres (31 mi) north-east of Baku and 6 kilometres (3.7 mi) west of Pirallahi Island. Industrially significant oil and natural gas resources were discovered here in the 1950s. To date, 16.2 million tons of oil and 1.5 billion cubic meters of gas were extracted. State Oil Company of Azerbaijan Republic is in the process of building a new oil platform which will be installed in the field for drilling of 12 wells in 2010. A similar platform No. 660 has already been commenced on site and another platform for drilling of 20 wells is being finalized. Another platform operated by Absheronneft drilled two more wells in 2009 with an overall output of 7-8.5 tonnes of oil. The field holds 3 million tonnes of oil and 0.5 billion cubic meters (cm) of gas. A mud volcano is in the bank's central part.
    7.00
    1 votes
    94
    Ixtoc I

    Ixtoc I

    Ixtoc I was an exploratory oil well being drilled by the semi-submersible drilling rig Sedco 135-F in the Bay of Campeche of the Gulf of Mexico, about 100 km (62 mi) northwest of Ciudad del Carmen, Campeche in waters 50 m (160 ft) deep. On 3 June 1979, the well suffered a blowout resulting in one of largest oil spills in history. Mexico's government-owned oil company Pemex (Petróleos Mexicanos) was drilling a 3 km (1.9 mi) deep oil well when the drilling rig Sedco 135F lost drilling mud circulation. In modern rotary drilling, mud is circulated down the drill pipe and back up the well bore to the surface. The goal is to equalize the pressure through the shaft and to monitor the returning mud for gas. Without the counter-pressure provided by the circulating mud, the pressure in the formation allowed oil to fill the well column, blowing out the well. The oil caught fire, and Sedco 135F burned and collapsed into the sea. At the time of the accident Sedco 135F was drilling at a depth of about 3,600 metres (11,800 ft) below the seafloor. The day before Ixtoc suffered the blowout and resulting fire that caused her to sink, the drill bit hit a region of soft strata. Subsequently, the
    7.00
    1 votes
    95

    Miller oilfield

    The Miller oilfield is a deep reservoir under the North Sea, 240 kilometres northeast of Peterhead in UKCS Blocks 16/7b and 16/8b. It was discovered in 1982 by BP in a water depth of 100 metres. Production from Miller field started in June 1992, and plateau production was from late 1992 to 1997 at rates of up to 150,000 barrels (24,000 m) of oil and 255 mmscf of gas per day. Miller produced some 345 million barrels (54,900,000 m) of oil during its lifetime. The Miller field reached the end of its economic oil and gas producing life in 2007 when Cessation of Production (CoP) approval was received from the UK government. Preparations are currently underway to decommission the Miller platform, but the oil and gas pipelines will be preserved for future opportunities. On 1 April 2009, sixteen people were killed in the crash of a helicopter carrying workers from the Miller field back to Aberdeen. Gas export from Miller was via a sour gas pipeline system (Miller Gas System) comprising a 241 km, 30-inch-diameter (760 mm) sealine to St Fergus and then on via a 17.5 km 26-inch-diameter (660 mm) landline to Peterhead Power Station. Miller oil was pumped via a 7.5 km-long, 18-inch-diameter
    7.00
    1 votes
    96
    Niger Delta province

    Niger Delta province

    The Niger Delta province is a geologic province in the Niger Delta of West Africa also known as the Niger Delta Basin. The province contains one petroleum system, the "Tertiary Niger Delta (Akata-Agbada) Petroleum System" (classified as number 701901), the majority of which lies within the borders of Nigeria, with suspected or proven access to Cameroon, Equatorial Guinea and São Tomé and Príncipe. This petroleum system contains as much as 5.5 10m³ (34.5 billion barrels) of recoverable oil and 2.7 10m³ (94 trillion cubic feet) of natural gas at the origin. This field is not a single gigantic field but composed of thousands of individual reservoirs, most of which are sandstone pockets, trapped within oil-rich shale strata. Oil fields in Niger Delta are not large but are plentiful, with 574 fields discovered (481 oil and 93 natural gas fields). The largest field contains just over 159 million m³ (1 billion barrels). There are many small reservoirs which remain to be explored. Success rate to hit oil in the past of this area is as high as 45%. The total production of the Akata-Agbada system is about 320,000 m³ (2 million barrels) per day. Remaining proven reserve in 2002 is about 3.5
    7.00
    1 votes
    97

    Chinguetti oil field

    The Chinguetti oilfield is an oil field located off the Mauritanian coast in 800 m water depth. It was discovered by the Australian firm Woodside Petroleum in 2001. It is named after the city of Chinguetti. Relatively modest in size, originally estimated at 123 million barrels (19,600,000 m), this deposit is nonetheless significant as the first commercial discovery of oil in the country, opening a new region for offshore petroleum exploration. Production of 75,000 barrels per day (11,900 m/d) began in 2006 via an FPSO. Production declined rapidly after the start of production due to geological complexity. In November 2006 Woodside issued a statement cutting the field's 2P reserves to 53 million barrels (8,400,000 m). Woodside expect production of 20,000 barrels per day (3,200 m/d) to 30,000 barrels per day (4,800 m/d) in the next few years. reference A smaller oil field, Tevet, was discovered in the same area in 2005, and will probably developed as a satellite - meaning that it will be exploited by wells tied back to Chinguetti's platform. Two larger discoveries, Banda and Tiof, were also made off the coast of Mauritania, by the Woodside consortium in 2003. In 2004, Woodside had
    4.67
    3 votes
    98

    Boscán Field

    The Boscán Oil Field is located 40 km southwest of Maracaibo, Venezuela, and covers an area of about 660 square kilometers (240 square miles). The field produces a 10.5 degree API gravity crude oil from the Eocene Misoa Formation locally called the Boscán Formation. Current estimates of oil in place are greater than 25 billion barrels of oil. The field was discovered in 1946 by Chevron with drilling of the Zulia 7F-1 well (renamed BN-257) which tested 730 barrels per day (116 m/d). This well encountered reservoir section very close to the Boscán east bounding fault at about 5,900 feet (1,800 m) measured depth (MD). Production began in 1947. The field is currently operated by the Empresa Mixta Petroboscan, a joint venture between Petroleos de Venezuela (PDVSA) and Chevron. The stratigraphic section at Boscán Field consists of sands and shales of Oligocene and Eocene ages deposited in a tidally-influenced fluvial-deltaic depositional setting. The Oligocene sediments are commonly non-oil bearing and are dominantly shaley. The Eocene sands are part of the Misoa Formation and form the producing reservoir section locally known as the Boscán Formation. The Boscán structure is a
    5.50
    2 votes
    99

    Raudhatain

    The Raudhatain oil field is an oil field in Northern Kuwait.It contains 6 billion barrels of oil.
    5.50
    2 votes
    100
    Sakhalin-I

    Sakhalin-I

    The Sakhalin-I (Russian: Сахалин-1) project, a sister project to Sakhalin-II, is a consortium to locate and produce oil and gas on Sakhalin Island and immediately offshore, in the Okhotsk Sea, from three fields: Chayvo, Odoptu, and Arkutun-Dagi. In 1996, the consortium completed a production-sharing agreement between the Sakhalin-I consortium, the Russian Federation, and the Sakhalin government. The consortium is managed and operated by Exxon Neftegas Limited (ENL). Since 2003, when the first Sakhalin-1 well was drilled, six of the world's 10 record-setting extended reach drilling wells have been drilled at the fields of the project, using the Yastreb rig. It has set multiple industry records for depth, rate of penetration and directional drilling. On 27 August 2012, Exxon Neftegas Ltd beat its previous record by completing Z-44 Chayvo well. This ERD well reached a measured total depth of 12,376 meters (40,604 ft), making it the longest well in the world. The three fields will be developed in this order: Chayvo, Odoptu, and Arkutun-Dagi. The total project is estimated to cost US$10–12 billion, making it the largest direct investment in Russia from foreign sources. It is also
    5.50
    2 votes
    101

    Shengli Field

    The Shengli Oil Field (simplified Chinese: 胜利油田; traditional Chinese: 勝利油田; pinyin: Shènglì Yóutián) is the second-largest oil field in the People's Republic of China, with daily production of approximately 650,000 barrels (103,000 m). It is located in the Yellow River delta, in the north of Shandong province bordering Bohai Sea. Its main working area covers 28 counties under the jurisdiction of eight prefecture level cities in Shandong Province, namely Dongying, Binzhou, Dezhou, Jinan, Weifang, Zibo, Liaocheng and Yantai. The major production area lies on both sides of the Yellow River Mouth. The field was discovered in 1961 and its development began in 1964. It has accumulated proven oil of reserves of 4.63 billion tons.
    5.50
    2 votes
    102

    Kirkuk Field

    Kirkuk Field is an oilfield near Kirkuk, Iraq. It was discovered by the Turkish Petroleum Company at Baba Gurgur ("St. Blaze" in Kurdish) in 1927. The oilfield was brought into production by the Iraq Petroleum Company (IPC) in 1934 when 12-inch pipelines from Kirkuk to Haifa and Tripoli (Lebanon) were completed. It has ever since remained the most important part of northern Iraqi oil production with over 10 billion barrels (1.6 billion cubic metres) of proven remaining oil reserves as of 1998. After about seven decades of operation, Kirkuk still produces up to 1 million barrels per day (160,000 cubic metres per day), almost half of all Iraqi oil exports. Oil from the Kirkuk oilfield is now exported through the Kirkuk-Ceyhan Oil Pipeline, which runs to the Turkish port of Ceyhan on the Mediterranean Sea. Some analysts believe that poor reservoir-management practices during the Saddam Hussein years may have seriously, and even permanently, damaged Kirkuk's oil field. One example showed an estimated 1.5 billion barrels (240 million cubic metres) of excess fuel oil being reinjected. Other problems include refinery residue and gas-stripped oil. Fuel oil reinjection has increased oil
    6.00
    1 votes
    103

    Safaniya Field

    Safaniya Oil Field (Arabic: حقل سفانية النفطي‎) is the largest offshore oil field. It is located about 265 kilometres (165 mi) north of the company headquarters in Dhahran in the Persian Gulf, Saudi Arabia. Measuring 50 by 15 kilometres (31 by 9.3 mi) with a producing capability of more than 1.2 million barrels per day (190×10^ m/d). The oil field is operated and owned by Saudi Aramco. The oil field was discovered in 1951. It is considered the largest offshore oil field in the world.. When it was first put in production in 1957, it flowed 50,000 barrels per day (7,900 m/d) of crude oil from 18 wells. At the beginning of 1962 it possessed the facilities to handle 350,000 barrels per day (56,000 m/d) from 25 wells. This sevenfold increase had evolved in just four years and nine months. Its reserve amount to around 37 billion barrels (5.9×10^ m) of oil and 5,360 billion cubic feet (152×10^ m) of natural gas.
    6.00
    1 votes
    104

    Tern oilfield

    The Tern oilfield is an oilfield situated 169 kilometres (105 mi) north east of Lerwick, Shetland Islands, Scotland, in block numbers 210/25a. The Tern field was discovered in April 1975 in a water depth of 167 metres (548 ft). It started production in 1989. Until July 2008, the oilfield was operated by Royal Dutch Shell and licensed by Shell/Esso. On 7 July 2008, it was purchased by TAQA Bratani, a subsidiary of the Abu Dhabi National Energy Company, along with the Eider, North Cormorant, Cormorant Alpha, Kestrel and Pelican fields and related sub-sea satellite fields. Estimated recovery of Tern oilfield is 175 million barrels (27.8×10^ m) of oil. Structurally, it is a triangular uplifted block of the Brent Group bounded by NNW-SSE and NNE-SSW trending faults and sealed by overlying Kimmeridge Clay (the dominant source rock, with debated contributions from the much deeper Old Red Sandstone) and Shetland Group mudstones. The Tern oil platform is a steel jacket production and drilling platform. As well as processing the fluids from the Tern reservoir, the platform also processes fluids from the Hudson, Falcon and Kestrel fields. Once processed, the oil is co-mingled and exported to
    6.00
    1 votes
    105

    Azadegan

    The Azadegan oil field is an oil field in Iran. It is located 80 kilometres (50 mi) west of Ahvaz, near the Iraqi border. The first exploration well was drilled in the field in 1976, but its discovery was finalized after drilling the second well in 1999. The field has an approximate area of 900 square kilometres (350 sq mi). Iranian authorities claim that the Azadegan field has oil-in-place reserves of about 33.2 billion barrels (5.28×10^ m) and recoverable resources estimated at about 5.2 billion barrels (830×10^ m). It is one of the NIOC Recent Discoveries and the biggest oil field found in Iran in the last 30 years. Sarvak, Kazhdomi, Godvan, and Fahilan are productive layers of the field. The current production is 40,000 barrels per day (6,400 m/d). Crude oil produced by the Fahilan layer is light while the other layers yield heavy crude.
    5.00
    2 votes
    106

    Eastern Trough Area Project

    The Eastern Trough Area Project, commonly known as ETAP, is a network of nine smaller oil and gas fields in the Central North Sea covering an area up to 35 km in diameter. There are a total of nine different fields, six operated by BP and another three operated by Shell, and together, they are a rich mix of geology, chemistry, technology and equity arrangements. The ETAP complex was sanctioned for development in 1995 with first hydrocarbons produced in 1998. The original development included Marnock, Mungo, Monan and Machar from BP and Heron, Egret, Skua from Shell. In 2002, BP brought Mirren and Madoes on stream. With these nine fields, the total reserves of ETAP are approximately 490 million barrels (78,000,000 m) of oil, 35 million barrels (5,600,000 m) of natural gas condensate and 2 billion cubic feet (57,000,000 m) of natural gas. A single central processing facility (CPF) sits over the Marnock field and serves as a hub for all production and operations of the asset including all processing and export and a base for expedition to the Mungo NUI. The CPF consists of separate platforms for operations and accommodation linked by two 60 m bridges. The Processing, drilling and
    5.00
    2 votes
    107

    Zhanazhol Field

    Zhanazhol Field is an oil field located in the northwestern region of the Republic of Kazakhstan. It was descovered in the 1960 and have been in production since 1987. Zhanazhol crude oil has a high mercaptan and hydrogen sulfide content.
    5.00
    2 votes
    108
    Delaware Basin

    Delaware Basin

    The Delaware Basin in West Texas and southern New Mexico is famous for holding large oil fields and for exposing a fossilized reef. Guadalupe Mountains National Park and Carlsbad Caverns National Park protect part of the basin. It is part of the larger Permian Basin, itself part of the Mid-Continent Oil Field. By earliest Permian time, during the Wolfcampian epoch, the ovoid shaped subsiding Delaware Basin extended over 10,000 square miles (26,000 km²) in what is now western Texas. This period of deposition left a thickness of 1600 to 2200 feet (490 to 670 m) of limestone interbedded with dark-colored shale. A narrow outlet that geologists call the Hovey Channel periodically supplied new seawater from the Panthalassa Ocean to the west. The somewhat smaller and shallower Midland Basin was just east and the much smaller Marfa Basin was to the southwest. All three basins were south of the equator, north of the Ouachita Mountains of mid-Texas, and part of the northern continent Laurasia. Structurally the Delaware, Midland and Marfa were foreland basins created when the Ouachita Mountains were uplifted as the southern continent Gondwana collided with Laurasia, forming the supercontinent
    4.50
    2 votes
    109
    Bonga Field

    Bonga Field

    The Bonga Field is an oilfield in Nigeria. It was located in License block OPL 212 off the Nigerian coast, which was renamed OML 118 in February 2000. The field covers approximately 60 km in an average water depth of 1,000 metres (3,300 ft). The field was discovered in 1996, with government approval for its development given in 2002. The field began first production in November 2005. The field is produced via a FPSO vessel. The field produces both petroleum and natural gas; the petroleum is offloaded to tankers while the gas is piped back to Nigeria where it is exported via an LNG plant. The field contains approximately 6,000 mmBoe. The field is operated by Shell Nigeria who own 55% of the license. The other partners in the field development are Exxon (20%), Nigerian AGIP (12.5%) and Elf Petroleum (12.5%) Located 120 kilometres (75 mi) southwest of the Niger Delta, the first discovery well was spudded in September 1995 after acquiring extensive information about the block via a 3D seismic survey in 1993/94. A secondary field was discovered in the block in May 2001 known as Bonga SW, which encountered significant hydrocarbons. A third field was discovered later in 2004 which is
    5.00
    1 votes
    110
    5.00
    1 votes
    111

    Siri reservoir

    Badejo Field is a offshore oil field in Brazil. It is a mature oil field located in the southwest part of the Campos Basin 80 kilometres (50 mi) off the coast. Above of it is laying partly the Membro Siri (sometimes referred just as Siri) extra heavy crude oil field with and 12.8° API gravity. Oil was discovered in the Membro Siri reservoir in 1975, but was considered uneconomical to develop this time. In 2008 the FPSO Petrojarl Cidade de Rio das Ostras started test production of the Siri crude. Part of the process equipment on the FPSO is an electrostatic coalescer with the VIEC technology from Hamworthy. The process system was delivered by Expro. It consists of two separator stages and the electrostatic coalescer. Using high processing temperature the process system is design to output crude oil with an export specification of 1% BS&W.
    5.00
    1 votes
    112
    Spindletop

    Spindletop

    Spindletop is a salt dome oil field located in the southern portion of Beaumont, Texas in the United States. The Spindletop dome was derived from the Louann Salt evaporite layer of the Jurassic geologic period. On January 10, 1901, a well at Spindletop struck oil ("came in"). The new oil field soon produced more than 100,000 barrels (16,000 m) of oil per day. Gulf Oil and Texaco, now part of Chevron Corporation, were formed to develop production at Spindletop. The strike at Spindletop represented a turning point for Texas and the United States; no oil field in the world had ever been so productive. The frenzy of oil exploration and the economic development it generated in the state became known as the Texas Oil Boom. The United States soon became the world's leading oil producer. There had long been suspicions that oil might be under "Spindletop Hill." The area was known for its vast sulfur springs and bubbling gas seepages that would ignite if lit. In August 1892, George W. O'Brien, George W. Carroll, Pattillo Higgins and others formed the Gladys City Oil, Gas, and Manufacturing Company to do exploratory drilling on Spindletop Hill. The company drilled many dry holes and ran into
    4.00
    2 votes
    113
    Maracaibo Basin

    Maracaibo Basin

    The Maracaibo Basin is a prolific, hydrocarbon-producing sedimentary basin with estimated oil reserves of approximately 44 billion barrels (1,722,285,000 m³) in northwestern Venezuela . The basin is bounded on the north by the Oca Fault which separates it from the Caribbean Sea. The remaining sides of the basin are bounded by a branching in the northern Andes Mountains termed the Sierra de Perijá (to the west) and the Mérida Andes (to the south and east). The city of Maracaibo, Venezuela is located in the northern central part of the basin on the shore of Lake Maracaibo, which occupies the central part of basin. Oil was discovered in producible quantities in Venezuela in 1914 at the town of Mene Grande in the east central part of the basin. The site of the first well was near a surface oil seep. Venezuela produces a mix of conventional heavy crude and nonconventional crude derrived from bitumen. This latter source, previously too expensive to produce in quantity, now makes up an increasing large percent of Venezuela's oil exports—600,000 of Venezuelas's three million barrels per day in 2006. In the Maracaibo Basin, the balance of reserves is toward its conventional deposits, which
    4.00
    1 votes
    114
    Sakhalin-II

    Sakhalin-II

    The Sakhalin-2 (Russian: Сахалин-2) project is an oil and gas development in Sakhalin Island, Russia. It includes development of the Piltun-Astokhskoye oil field and the Lunskoye natural gas field offshore Sakhalin Island in the Okhotsk Sea, and associated infrastructure onshore. The project is managed and operated by Sakhalin Energy Investment Company Ltd. (Sakhalin Energy). Sakhalin-2 includes the first liquefied natural gas plant in Russia. Therefore, the project is of vital importance to Russia's energy policy. This was seen as a reason why the foreign owners of the development were forced to sell a majority stake in the project to Russian gas company Gazprom. The development is situated in areas previously little touched by human activity, causing various groups to criticize the development activities and the impact they have on the local environment. The first ever Russian production sharing agreement was signed in the framework of the Sakhalin-2 project in 1994. Production began from the Molikpaq platform in the Piltun-Astokhskoye field in July 1999, and in September 1999 the first crude oil was exported. The consortium Sakhalin Energy had a contract to produce gas without a
    4.00
    1 votes
    115

    Yuzhno-Russkoye field

    The Yuzhno-Russkoye field is a Russian oil and gas field located in the Krasnoselkupsky District, Yamal-Nenets Autonomous Okrug, Tyumen Oblast. The Yuzhno-Russkoye field was discovered in 1969. Preparation for the development of the field started in 1997. American oil company Moncrief Oil International claims that in 1997, Gazprom's subsidiary Zapsibgazprom and Moncrief signed a contract according to which Moncrief acquired 40% of stake in the field, a claim that Gazprom does not recognize. According to the contract Severneftegazprom was established as operating company. In the following years control over Severneftegazprom was gained by Itera and later regained by Gazprom. In 2004, Gazprom started negotiations with BASF and E.ON over development the Yuzhno-Russkoye field. The inauguration ceremony launching work on the field was held on 18 December 2007. The gas field lies about one kilometer below the surface. The proven gas reserves of Yuzhno-Russkoye are 805.3 bcm (billion cubic meters) and estimated reserves are more than 1000 bcm of natural gas. The proven oil reserves are 5.7 million tons. The planned capacity of Yuzhno-Russkoye field is about 25 bcm of gas per year.
    4.00
    1 votes
    116
    Al Shaheen oil field

    Al Shaheen oil field

    The Al Shaheen Oil Field is a production oil and gas field off the north east of coast of Qatar in the Persian Gulf, 180 kilometres (110 mi) north of Doha. The oil field lies over the North Gas Field, the largest gas field in the world. The field is operated by Maersk Oil Qatar AS of Denmark under a production sharing agreement with Qatar Petroleum, on behalf of the state of Qatar. The oil field was discovered in 1992 by Maersk Oil. The drilling of appraisal wells was completed in 1994 by using horizontal drilling techniques. Regular oil production started at the same year. In 1995–1996, production facilities were extended with a subsea export pipelines, an additional single point mooring loading buoy, new process facilities and a STAR type wellhead platform. In April 2004, the extension area north of block 5 was included to the production sharing agreement. Inauguration of new offshore facilities took place on 23 February 2005. In May 2008, GSF Rig 127 operated by Transocean drilled the world record extended reach well BD-04A in the field. The well was drilled incident free to a record measured depth of 40,320 ft (12,290 m) including a record horizontal reach of 35,770 ft
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    117

    Andrew oilfield

    The Andrew oilfield is a relatively small hydrocarbon field in the UK sector of the North Sea, 230 kilometres (140 mi) North-East of Aberdeen and it is operated by BP. It is produced from a single platform, which is also the hub of the Cyrus and Farragon subsea developments. BP originally discovered oil in the Palaeocene rock in block 16/28 of the UKCS in 1974, with further appraisal work conducted by ConocoPhilips the following year. A gas reservoir was also discovered in the Cretaceous rock below the Palaeocene. At the time, the small size of the field made it uneconomical to develop. It was not until twenty years later when BP put together an alliance of seven contractors to share in the risk of development, including Brown & Root, Santa Fe, Saipem, Highlands Fabricators, Allseas, Emtunga and Trafalgar House. In 1994, the project was sanctioned and first oil was produced from predrilled wells in 1996. The Andrew is estimated to have 150 million barrels (24×10^ m) of liquid hydrocarbons, mostly oil, with some natural gas condensate. The Andrew oil is light with an API gravity of 40°. There is also a gas cap in the Palaeocene reservoir in addition to the lower cretaceous reservoir
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    118
    Cantarell Field

    Cantarell Field

    Cantarell Field or Cantarell Complex is an aging supergiant oil field in Mexico. It was discovered in 1976 by a fisherman, Rudesindo Cantarell. It was placed on nitrogen injection in 2000, and production peaked at 2.1 million barrels per day (330,000 m/d) in 2003. In terms of cumulative production to date, it is by far the largest oil field in Mexico, and one of the largest in the world. However, production has declined since 2003, falling to 408,000 barrels per day (64,900 m/d) (April 2012), making it Mexico's second most productive oil field after Ku-Maloob-Zaap. Cantarell is located 80 kilometres (50 mi) offshore in the Bay of Campeche. This complex comprises four major fields: Akal (by far the largest), Nohoch, Chac and Kutz. The reservoirs are formed from carbonate breccia of Upper Cretaceous age, the rubble from the asteroid impact that created the Chicxulub Crater. The recently discovered Sihil (1-15,000 million barrels) contains light oil in Jurassic strata below the other reservoirs and is generally referred to as a separate field, although its development will obviously benefit from the infrastructure already in place above it. Cantarell's oil production peaked in 2004
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    119

    Draugen oil field

    Draugen is an oil field in the Norwegian Sea with a sea depth of 250 metres (800 ft). It is operated by Royal Dutch Shell. The field has been developed with a concrete fixed facility and integrated topside. Stabilized oil is stored in tanks in the base of the facility. Two flowlines connect the facility to a floating loading buoy. The Garn Vest and Rogn Sør deposits have been developed with a total of five subsea wells connected to the main facility at Draugen. The field has six subsea water injection wells. Additional resources in the Garn Vest structure came on stream in December 2001, while development of additional resources at the Rogn Sør structure were approved in the spring of 2001, coming on stream in January 2003. The major reservoir is the Rogn Formation of the Late Jurassic at around 1,600 metres (5,200 ft). On the western side of the field is the Garn Formation of the Middle Jurassic. They are all producing reservoirs with good characteristics. Pressure maintenance through water injection is currently used for production. Gas lift is also in place on wells. Oil transport is accomplished through tanker via floating buoy. The Asgard transport pipeline is used for
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    120

    Eugene Island block 330 oil field

    Eugene Island block 330 oil field is an oil field in the United States Exclusive Economic Zone in the Gulf of Mexico. It is located 170 miles (270 km) southwest of New Orleans, 70–85 miles (110–137 km) off the Louisiana coast comprising six and a half leased blocks: 313, 314 south, 330, 331, 332, 337 and 338. In the outer continental shelf lease sale on December 15, 1970 240,361 hectares (593,940 acres) were offered for lease, including Eugene Island blocks. The Block 330 area was acquired by Pennzoil (now part of Royal Dutch Shell). As the Pliocene-Pleistocene sands were considered geochemically immature and wells drilled to the north of Block 330 discovered natural gas, Pennzoil expected to discover a natural gas not oil. The oil field was discovered in March 1971 while drilling the 1 OCS G-2115 well. Approximately at the same time oil was discovered by Royal Dutch Shell in the adjoining block 331. By the end of 1971, two platforms had been installed in the field. The first development well was drilled on Block 330 by Pennzoil's "A" platform in November 1971. Production started in September 1972 in the block 331. During 1972 four more platforms were installed and later the number
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    121

    Gullfaks oil field

    Gullfaks is an oil and gas field in the Norwegian sector of the North Sea operated by Statoil. It was discovered in 1979, in block 34/10, at a water depth of 135 meters. The initial recoverable reserve is 2.1 billion barrels (330×10^ m), and the remaining recoverable reserve in 2004 is 234 million barrels (37.2×10^ m). This oil field reached peak production in 2001 at 180,000 barrels per day (29,000 m/d). It has satellite fields Gullfaks South, Rimfaks, Skinfaks and Gullveig. The Schlumberger geological modelling software product Petrel uses the Gullfaks field as the sample data set for its introductory course. The project consists of three production platforms Gullfaks A, Gullfaks B, and Gullfaks C. Gullfaks C sits 217 metres (712 ft) below the waterline. The height of the total structure measured from the sea floor is 380 metres (1,250 ft), making it taller than the Eiffel Tower. Gullfaks C produces 250,000 barrels per day (40,000 m/d) of oil. Gullfaks C was completed in 1980. The Tordis field, which is located 11 km south east of Gullfaks C, has a subsea separation manifold installed in 2007 which is tied-back to the existing Gullfaks infrastructure. Between November 2009 and
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    122

    Harding oilfield

    The Harding oilfield is a small oil field operated by BP, in the North Sea block 9/23b, approximately 200 miles (320 km) North-East of Aberdeen and in 110 metres (360 ft) of water. The field was discovered in 1987, when oil was found in Eocene at a depth of 1,850 metres (6,070 ft). The abundance of napthalmic acid in the oil however made the development unattractive at the time. The crude is heavy and naphthenic and is generally of a lower value compared to other North Sea oils. Consequently the decision was made to export it by tanker rather than co-mingle it in a pipeline. The oil from the Harding field therefore requires to be stored offshore. The selected development solution was a heavy-duty steel jack-up production unit based on a proprietary design by Technip Geoproduction resting on a concrete gravity base which had storage for 550,000 barrels (87,000 m) of oil. The Harding field is in fact composed of five separate reservoirs. The largest is the central field, hosting most of the wells as well as the site of the gas re-injection. There is also smaller fields to the North, North-East, South and South-East, all named as such. This has led to a unique well naming system in
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    123
    Ogaden Basin

    Ogaden Basin

    The Ogaden Basin is an area of Ogadkenya that may hold significant reserves of crude oil and natural gas. The basin covers an area of some 350,000 square kilometres (135,000 square miles) and is formed from sedimentary rocks up to 10,000 meters (6 miles) thick. It has geological similarities to other hydrocarbon-rich basins in the Middle East. The first exploration in the basin was undertaken by Standard Oil in 1920 More recent exploration by Tenneco resulted in the discovery of an estimated 68 million cubic metres (2.4 billion cubic feet) of gas in 1974. Development of the reserves in the basin's Calub and Hilala gas fields is being carried out by the Gazoil Ethiopia Project, a joint-venture partnership between the government of Ethiopia and Texas-based Sicor announced in December 1999. The basin has been divided into 21 blocks, and exploration rights have been awarded for many of them. Companies with concessions in the basin include Netherlands registered Pexco Exploration, Petronas (Malaysia), Lundin East Africa (Sweden), South West Energy (Hong Kong), and Afar Explorer (USA). The Ogaden War between Ethiopia and Somalia took place for the control of the region between 1977 and
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    124

    Peregrino

    Peregrino is an oil field (block BM-C-7) located offshore of Brazil, east of Rio de Janeiro, in the southwest part of the Campos Basin area with about 2.3 billion barrels (370×10^ m) of oil in place within the sanctioned area. The oil field was discovered in 2004 and was formerly known as Chinook. The location is 53 miles (85 km) off the coast, situated in 328 to 390 feet (100 to 120 m) of water. Peregrino is a heavy crude oil of 13. API and with high viscosity. Sulfur content is 1.8% which is considered medium sour. The estimated recoverable volume of crude oil is 300 million barrels (48×10^ m) to 600 million barrels (95×10^ m). The first oil is expected for early 2011, where 5 wells are anticipated for production and production should reach a plateau of 100,000 barrels per day (16,000 m/d) within the first year with a targeted production of some 120,000 barrels per day (19,000 m/d) by 2012. The field will be completed in three phases and will include approximately 60 wells; phase one of the project includes 37 wells; 30 production wells and 7 water injection wells. The temperature of the oil, gas, water and sand from the field is 79.6°C in the reservoir and 60-66°C on arrival in
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    Rumaila Field

    Rumaila Field

    The Rumaila oil field is a giant oil field located in southern Iraq, approximately 20 mi (32 km) from the Kuwaiti border. The dispute between Iraq and Kuwait over allegedly slant-drilling in the field was one of reasons for Iraq's invasion of Kuwait in 1990. This field was discovered by British Petroleum (BP) in 1953. Under Saddam Hussein, it was nationalized by Iraq. Since then, this massive oil field remains under Iraqi control. Rumaila is considered the fourth largest field in the world. The field is estimated to contain some 15% of Iraq's oil reserves. The field is owned by Iraq and subcontracted to BP and CNPC under Iraq Producing Field Technical Service Contract (PFTSC). BP is an operator of the project with 38% while CNPC and SOMO hold 37% and 25%, respectively. BP and CNPC will recover a renumerated fee of $2 per barrel in profits which will account to 15 to 20% rate of return on investment. Iraqi government and BP agreed to cut the initial bidding price per barrel from $3.99 to $2.00 in June 2009. ExxonMobil which also bid on servicing this field at a price $4.80 walked away due to price cutting terms by the Iraqi Government leaving BP and CNPC as winners of the contract.
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    Troll oil field

    Troll oil field

    Troll is a natural gas and oil field in the Norwegian sector of the North Sea, 100 kilometres (62 mi) North-West of Bergen, 50 kilometres (31 mi) west of the island of Fedje. Although Troll is primarily a gas field – one of the biggest in the North Sea, holding 60% of Norway’s gas reserves – it also possesses significant quantities of oil, in thin zones under the gas cap, to the west of the field. The field as a whole consists of the main Troll East and Troll West structures in blocks 31/2, 31/3, 31/5 and 31/6, about 65 kilometres (40 mi) west of Kollsnes, near Bergen, in water depths of 315 to 345 metres (1,033 to 1,132 ft). Most of the gas lies in Troll East. The field is operated by Statoil, which has a 30.58% interest. The other partners are Petoro (56%), Royal Dutch Shell (8.1%), ConocoPhillips (1.62%) and Total S.A. (3.69%). Gas and oil from the field is extracted via three platforms – Troll A, B and C. The Troll A platform, based on the Condeep technology, is the largest structure ever to be moved. Total weight is 656,000 tons, the total height is 472 metres (1,549 ft). The depth is 303 metres (994 ft). This platform came into production in 1996. The Troll B Platform is a
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    Zhiguli Mountains

    Zhiguli Mountains

    The Zhiguli Mountains ( /ʒiːɡuːˈliː/; Russian: Жигулëвские горы [Zhigulyovskiye gory]) or simply Zhiguli (Russian: Жигули́), sometimes called Zhiguli Height - Жигулëвская возвышенность [Zhigulyovskaya vozvyshennost], are a range of wooded mountains located in Russia on the right bank of the Volga River, in the Samara bend. The mountains are an important source of oil, being extracted since the Great Patriotic War. Altitude up to c. 1,240 ft (380 m). They are named for a nearby town Zhigulyovka (no longer extant), itself probably named for an early inhabitant, Zhegul (Russian: Жегуль). The height is skew in a meridional direction: its northern slope very abruptly goes down to Volga and southern has a very weak bias, forming a wide plateau cut up by a labyrinth of ravines. In the western part of Zhiguli is separated from a plateau by the valley of the Otvazhinskiy Ravine, extended in a latitudinal direction. In the central, highest part Zhiguli absolutely imperceptibly pass in a plateau, and its maximum point was found only by means of tools as externally it is not allocated on almost flat surface in any way. At tops, rocks and other rocky exposures of Zhiguli there are the most
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