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An oil well is a drillhole boring in Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is released as associated petroleum gas along with the oil. A well that is designed to produce only gas may be termed a gas well. Wells are created by drilling down into an oil or gas reserve and if necessary equipped with extraction devices such as pumpjacks. Creating the wells can be an expensive process, costing at least hundreds of thousands of dollars, and costing much more when in difficult-to-access locations, e.g., offshore. The process of modern drilling for wells first started in the 19th century but was made more efficient with advances to oil drilling rigs and technology during the 20th century.
The Brent field was an oil and gas field located in the East Shetland Basin of the North Sea, 186 kilometres (116 mi) north-east of Lerwick in the Shetland Islands, Scotland, at a water depth of 140 metres (460 ft). The field operated by Shell UK Limited was discovered in 1971 and was once one of the most productive parts of the UK's offshore assets but has reached the stage where production is no longer economically viable. Decommissioning of the Brent field is complete with the exception of Brent C, which is producing from another field. The discovery well 211/26-1 was drilled in 1971 by the semi-submersible drilling rig "Staflo". This was a major surprise at the time as the nearest land in Scotland and Norway is composed of granite and other non reservoir metamorphic rocks.
The Brae field is a Scottish oil field. The name comes from a Scots language word for hillside. The field was discovered in 1974 by well 16/7-1 drilled by a semi-submersible rig Odin Drill for operator Pan Ocean.
Oseberg 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.
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 sold in 2008 and is now operated by Fairfield Energy and partners MCX.
Petroleum production in Canada is a major industry which is important to the overall economy of North America. Canada has the third largest oil reserves in the world and is the world's fourth largest oil producer and fourth largest oil exporter. In 2019 it produced an average of 750,000 cubic metres per day (4.7 Mbbl/d) of crude oil and equivalent. Of that amount, 64% was upgraded from unconventional oil sands, and the remainder light crude oil, heavy crude oil and natural-gas condensate. Most of the Canadian petroleum production is exported, approximately 600,000 cubic metres per day (3.8 Mbbl/d) in 2019, with 98% of the exports going to the United States. Canada is by far the largest single source of oil imports to the United States, providing 43% of US crude oil imports in 2015.
The Clair oilfield is an offshore oil field in Scottish territorial waters 75 kilometres (47 mi) west of Shetland in water depths of up to 140 metres (460 ft). The field is the largest oilfield on the UK Continental Shelf with an estimated 8 billion barrels of oil-in-place, according to the BP Plc's website. It extends over an area of some 220 square kilometres (85 sq mi), covering five licence blocks.
Lotos Petrobaltic S.A. is a Polish oil company. It was set up in November 1990. On 1 January 1999, the firm was transformed in limited liability company and the only shareholder become the State Treasury. The company is the only firm in Poland performing exploration and production of crude oil and gas in the Baltic Sea. B3 oil field is currently in production and has a 2006 production of 1.9 million bbl/year.
The company has its head office in Gdańsk. Exploration and exploitation of oil and gas deposits are performed with three drilling platforms: Petrobaltic, Baltic Beta and Jacket.
Grupa Lotos S.A. was a vertically integrated oil company based in Gdańsk, Poland. The company was listed in the Polish index WIG30. The Polish state was the majority shareholder with 53% percent. The company's main activity branches were: crude oil production, refining and marketing of oil products. The company was a leader in lubricants on the Polish market. Grupa Lotos was a producer of unleaded gasoline, diesel, fuel oils, aviation fuels, motor and industrial lubricants, bitumens and waxes.
The Forties Oil Field is the second largest oil field in the North Sea, after the Clair oilfield, which is located 110 miles east of Aberdeen. It was discovered in 1970 and first produced oil in 1975 under ownership of British Petroleum, now called BP.
"Offshore", when used in relation to hydrocarbons, refers to operations undertaken at, or under the, sea in association with an oil, natural gas or condensate field that is under the seabed, or to activities carried out in relation to such a field. Offshore is part of the upstream sector of the oil and gas industry.
The Bouri Offshore Field is part of Block NC-41, which is located 120 kilometers (75 mi) north of the Libyan coast in the Mediterranean Sea. It was first discovered in 1976 at a depth of 8,700 feet (2,700 m) and is estimated to contain 4.5 billion barrels (720,000,000 m3) in proven recoverable crude oil reserves and 3.5 trillion cubic feet (99 km3) of associated natural gas with an annual production potential of 6 billion m³. Bouri is considered the largest producing oilfield in the Mediterranean.
Gdańsk oil refinery is a 10.5 million tonne per year refinery located near the Polish city of Gdańsk on the Baltic Sea. The refinery was established in 1975 to supply fuels and lubricants, and has undergone several upgrades and expansions to increase its capacity and the range of products available. It now has a Nelson complexity index of 11.1. It is one of two oil refineries in Poland, the other is Plock refinery.
Yme is an oil field in the Egersund basin area in the central 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 discovered in 1987 and was developed by Statoil with production from 1996 to 2001. In 2001 low oil prices led to the abandonment of the field. After the production license was relinquished by Statoil, a new license group led by Talisman Energy was formed to redevelop the field. In 2007 Talisman was granted permission to redevelop the field. The redevelopment was unsuccessful and the newly installed Yme MOPU STOR was abandoned and decommissioned without having entered production. A new attempt called the Yme New Development was launched by the new operator Repsol, which involved reusing the subsea installations already in place. The Yme field began producing again in 2021, marking the first time that a previously abandoned Norwegian oil field has been restarted.
Naftoport Sp. z o.o. is a Polish company which manages crude oil shipment and deliveries. It is located in Gdańsk, Poland. Naftoport was established in June 1991 by several Polish oil companies and Marine Commercial Port in Gdansk. The company oversees operations of the terminal for reloading of crude oil and products in the Port of Gdańsk.
Grane is an offshore oil field in the North Sea located 185 km (115 mi) west of the city of Haugesund on the western coast of Norway. It is Norway's first heavy crude oil production field and Statoil's largest heavy oil field in the Norwegian continental shelf. The oil from the field, located in Block 25/11 is transported to Sture terminal via Grane oil pipeline. The injection gas is imported to Grane oil field from the Heimdal, located just north the field.
Cairn India was an Indian oil and gas exploration and production company, headquartered in Gurgaon, India. The company was merged with Vedanta Limited.
The oil industry in Poland began at Bóbrka Field in 1853, followed by the first refinery in 1854. Poland was the third most productive region in the world in 1900. It now has only a small, mostly state-owned component, with production from its Permian Basin in the west, small and very old fields in the Carpathians in the south, and offshore in the Baltic Sea. For natural gas the country is almost completely dependent on legacy pipelines from the former Soviet Union.
B8 is a major oil field in the Polish exclusive economic area of the Baltic Sea about 70 km north of Jastarnia. The field was discovered in 1983 and started producing oil in 2006. The field currently accounts for four per cent of Poland’s oil production.
References
- 1 2 3 4 5 6 7 8 "Poland driving oil and gas projects across the Baltic" . Retrieved 4 December 2023.
- 1 2 "Oil & gas field profile: B3 Conventional Oil Field, Poland" . Retrieved 5 December 2023.
- 1 2 "Final Report on the Prospective sites for the Geological Storage of CO2 in the South Baltic Sea" (PDF). 2014. Retrieved 5 December 2023.
- 1 2 "LOTOS_Databook_2015_UP_EN.xls". 2016.
- ↑ "Polish energy security in the oil sector" (PDF). Retrieved 5 December 2023.
- ↑ "Lotos Annual reports" . Retrieved 4 December 2023.
- ↑ "B 3 Oil and Gas Field (Poland)" . Retrieved 4 December 2023.
