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The Elk Hills Oil Field (formerly the Naval Petroleum Reserve No. 1) is a large oil field in northwestern Kern County, in the Elk Hills of the San Joaquin Valley, California in the United States, about twenty miles (32 km) west of Bakersfield. Discovered in 1911, and having a cumulative production of close to of oil at the end of 2006, it is the fifth-largest oil field in California, and the seventh-most productive field in the United States. Its estimated remaining reserves, as of the end of 2006, were around , and it had 2,387 active oil-producing wells. It is by an order of magnitude the largest natural gas-producing oil field in California, having produced over of gas since its discovery, and retaining over in reserve, making it even larger than the Rio Vista Gas Field, the largest non-associated natural gas field in the state.〔(California Department of Conservation, Oil and Gas Statistics, Annual Report, December 31, 2006 ), p. 2〕 The principal operator of the field is California Resources Corporation, a November 2014 spin-off from Occidental Petroleum. ==Setting== The oil field underlies the Elk Hills, a range of low hills trending west to east with a high elevation of . To the north, east, and southeast are the agricultural fields of the San Joaquin Valley, and to the southwest is the Buena Vista Valley. Across that valley is the town of Taft, and the enormous Midway-Sunset Oil Field, the largest in California. West of the Elk Hills is the large McKittrick Oil Field, and northwest is the even larger Cymric Oil Field. Although the Elk Hills is only one field of many in a region of oil fields, it is geographically distinct because its boundaries correspond with the shape of the hills that give it its name. Skyline Road, which is closed to public entry, follows the long axis of the field. It begins near McKittrick and goes east, following the crest of the hills. Perpendicular to this road, and about halfway down its length, is Elk Hills Road, which connects the town of Taft to the south with Buttonwillow to the north. Two guarded gates to the California Resources Corporation operations, 3 and 4, make up the intersection with Skyline Road on the summit of the range. Overall the oil field is approximately long roughly following the crestline of the hills, and approximately across at the widest point. It encompasses considered productive, or about .〔DOGGR, California Oil and Gas Fields, pp. 168-173〕 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「Elk Hills Oil Field」の詳細全文を読む スポンサード リンク
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