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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 British Petroleum, now called BP. ==History== BP had made the announcement to the press on 7 October 1970, that oil had been struck east-northeast of Aberdeen in of water.〔Hill, P.J., and Wood, G.V., 1980, Geology of the Forties Field, U.K. Continental Shelf, North Sea, in Giant Oil and Gas Fields of the Decade:1968–1978, AAPG Memoir 30, Tulsa: American Association of Petroleum Geologists, ISBN 0891813063, p. 81.〕 Production is from the Paleocene Forties Formation sandstones over a 90 km2 area making it a "giant oil field".〔Hill, P.J., and Wood, G.V., 1980, Geology of the Forties Field, U.K. Continental Shelf, North Sea, in Giant Oil and Gas Fields of the Decade:1968–1978, AAPG Memoir 30, Tulsa: American Association of Petroleum Geologists, ISBN 0891813063, p. 81.〕 BP's semi-submersible drilling rig ''Sea Quest'' hit crude oil at in the Upper Tertiary sandstone.〔BP History Website : http://www.bp.com/sectiongenericarticle.do?categoryId=9028997&contentId=7052805〕 Four appraisal wells drilled during 1971–1972 revealed a large reservoir at a depth of about and closure of 155 m.〔Hill, P.J., and Wood, G.V., 1980, Geology of the Forties Field, U.K. Continental Shelf, North Sea, in Giant Oil and Gas Fields of the Decade:1968-1978, AAPG Memoir 30, Tulsa: American Association of Petroleum Geologists, ISBN 0891813063, p. 81.〕 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 3 November 1975. The production from the field peaked in 1979 at , well above early predictions. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Forties Oil Field」の詳細全文を読む スポンサード リンク
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