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North Sea oil is a mixture of hydrocarbons, comprising liquid petroleum and natural gas, produced from petroleum reservoirs beneath the North Sea.
A floating production storage and offloading (FPSO) unit is a floating vessel used by the offshore oil and gas industry for the production and processing of hydrocarbons, and for the storage of oil. An FPSO vessel is designed to receive hydrocarbons produced by itself or from nearby platforms or subsea template, process them, and store oil until it can be offloaded onto a tanker or, less frequently, transported through a pipeline. FPSOs are preferred in frontier offshore regions as they are easy to install, and do not require a local pipeline infrastructure to export oil. FPSOs can be a conversion of an oil tanker or can be a vessel built specially for the application. A vessel used only to store oil is referred to as a floating storage and offloading (FSO) vessel.
Snøhvit(English: Snow White) is the name of a natural gas field in the Norwegian Sea, situated 140 kilometres (87 mi) northwest of Hammerfest, Norway. The northern part of the Norwegian Sea is often described as the Barents Sea by offshore petroleum companies. Snøhvit is also the name of a development of Snøhvit and the two neighbouring natural gas fields Albatross and Askeladden. Estimated recoverable reserves are 193 billion cubic metres of natural gas, 113 million barrels of condensate, and 5.1 million tonnes of natural gas liquids (NGL). The development comprises 21 wells. The Snøhvit development is operated by Equinor on behalf of six gas companies owning licenses:
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.
Norpipe is a subsea oil and natural gas pipelines system in the North Sea. It supplies oil from the Norwegian Ekofisk and associated fields in the North Sea to the United Kingdom and natural gas to Germany.
An oil production plant is a facility which processes production fluids from oil wells in order to separate out key components and prepare them for export. Typical oil well production fluids are a mixture of oil, gas and produced water. An oil production plant is distinct from an oil depot, which does not have processing facilities.
The Sleipner gas field is a natural gas field in the block 15/9 of the North Sea, about 250 kilometres (160 mi) west of Stavanger, Norway. Two parts of the field are in production, Sleipner West, and Sleipner East (1981). The field produces natural gas and light oil condensates from sandstone structures about 2,500 metres (8,200 ft) below sea level. It is operated by Equinor. The field is named after the eight-legged steed Sleipnir of Odin a widely revered god in Norse mythology.
The natural gas in Qatar covers a large portion of the world supply of natural gas. According to the Oil & Gas Journal, as of January 1, 2011, reserves of natural gas in Qatar were measured at approximately 896 trillion cubic feet ; this measurement means that the state contains 14% of all known natural-gas reserves, as the world's third-largest reserves, behind Russia and Iran. The majority of Qatar's natural gas is located in the massive offshore North Field, which spans an area roughly equivalent to Qatar itself. A part of the world's largest non-associated, natural-gas field, the North Field, is a geological extension of Iran's South Pars / North Dome Gas-Condensate field, which holds an additional 450 trillion cubic feet of recoverable natural-gas reserves.
The oil and gas industry plays a central role in the economy of the United Kingdom. Oil and gas account for more than three-quarters of the UK's total primary energy needs. Oil provides 97 per cent of the fuel for transport, and gas is a key fuel for heating and electricity generation. Transport, heating and electricity each account for about one-third of the UK's primary energy needs. Oil and gas are also major feedstocks for the petrochemicals industries producing pharmaceuticals, plastics, cosmetics and domestic appliances.
The Hutton oil field, located on the UK continental shelf, was the location for the first ever production Tension Leg Platform (TLP).
Vale is an offshore gas field in the North Sea located 16 kilometres (9.9 mi) north of the Heimdal gas field. The depth of the water in the field area is 115 metres (377 ft). Vale is considered a satellite to Heimdal field and is connected to it by a pipeline. Estimated reserves at Vale stand at 2.5 billion cubic metres of natural gas and 21 million barrels (3,300,000 m3) of gas condensate. Vale gas field is expected to produce 1.6 million cubic metres per day of natural gas and 2,600 barrels per day (410 m3/d) of condensate.
Oselvar is a subsea oil field, abandoned since April 2018, located 250 km (160 mi) southwest of Stavanger in the southern Norwegian section of the North Sea, close to the British border. Oselvar was discovered in 1991. The field is located at 23 kilometres (14 mi) distance from the Ula field to which it was tied back. The original estimated reserves at Oselvar were 38 million barrels of oil and 4 billion cubic metres of natural gas. The water depth at location is 72 metres (236 ft). In January 2022, DNO ASA reportedly had approval from Norway’s Petroleum Safety Authority (PSA) to remove subsea facilities from the Oselvar field. The Oselvar field installations were to be decommissioned by the end of 2022.
Gorm is a natural gas and oilfield in the Danish Sector of North Sea. It was discovered in 1971 and is the largest oilfield exploited by Denmark. The production infrastructure consists of five bridge-linked platforms and is operated by BlueNord. The facilities include two wellhead platforms and several processing platforms. The Rolf and Dagmar fields are satellites to Gorm.
The Buzzard Oil Field is an oil field located in the North Sea Blocks 19/10, 19/5a, 20/6 and 20/1s. It was discovered in 2001 by PanCanadian, and developed initially by PanCanadian's successor EnCana and then by Nexen. The oil field was initially operated and owned by Nexen which is now a subsidiary of China's CNOOC.
The Murchison oil field is located in the northern North Sea in the East Shetland Basin on the UK Continental Shelf. The field is situated 150 km north-east of Shetland and straddles the UK/Norwegian median line. It lies in UK Block 211/19 and extends into Norwegian Block 33/9. The field is named after the Scottish geologist Sir Roderick Impey Murchison (1792–1871). Recoverable reserves were estimated to be 340 million barrels of oil out of a total oil-in-place of 790 million barrels. The field was developed through a large steel jacket platform standing in 156 m of water. The peak production rate was 150,383 barrels of oil per day in December 1982. Oil production was supported by gas and water injection. Production ceased in 2014 and the platform was removed in 2017.
The Teesside oil terminal is a major crude oil reception, processing, storage and export facility at Seal Sands, Middlesbrough. It receives and processes crude oil delivered by the subsea NORPIPE pipeline from the Norwegian Ekofisk field and the UK Fulmar and J-Block fields. The terminal includes facilities for exporting stabilised crude oil and liquefied petroleum gases (LPG) by tanker and pipeline.
The Albuskjell oil and gas field was a crude oil and associated gas production field in the Norwegian sector of the central North Sea. Production of oil and gas started in 1979, peak oil and gas was achieved in 1982. Production ceased in 1998 and the field installations were dismantled by 2013.
The Cod oil gas and condensate field was a gas and associated natural gas liquids (NGL) production field in the Norwegian sector of the central North Sea. Production of oil and gas started in 1977, peak gas and NGL was achieved in 1980. Production ceased in 1998 and the field installation was dismantled in 2013.
The Odin gas field was a gas producing field in the Norwegian sector of the central North Sea. Production of gas started in October 1984, the peak gas production of 360 mmcfd was achieved in 1985. Production ceased in 1994 and the field installation was dismantled in 1997.
The Tor oil field is a crude oil and associated gas producing field in the Norwegian sector of the central North Sea. Production of oil and gas started in 1978 and peak oil and gas was achieved in 1979. The field was shut down in 2015 and, following the completion of new wells, started up again in 2020.
References
- 1 2 3 The North Sea Platform Guide. Ledbury: Oilfield Publications Limited. 1985. pp. 199–200.
- 1 2 3 4 5 "Edda field data" . Retrieved 8 June 2024.
- 1 2 "OSPAR Inventory of Offshore Installations - 2021" . Retrieved 8 June 2024.
- ↑ "Oil and gas fields in Norway" (PDF). Retrieved 11 July 2024.