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车镇凹陷北部陡坡带砂砾岩体成藏机理——以车66扇体为例 预览 被引量:18

Hydrocarbon accumulation mechanism of sandstone-conglomerate bodies in north abrupt slope zone,Chezhen Depression——an example from Fan Che 66
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摘要 车镇凹陷北部陡坡带发育多类型、多期次的砂砾岩扇体,是油气运移的主要指向,蕴藏着巨大的勘探潜力。车66等并的钻探表明,深水浊积扇体往往具有较好的储集物性和含油性,是砂砾岩勘探的优选目标。通过地质分析与分析化验相结合的方法,对扇体的沉积特征作了较为深入地分析,指出车66等井所钻遇的是一套具有“自生自储”特征的岩性油藏,具有2期成藏、晚期为主的特点,油气成藏主要受控于扇体的储集物性,而储集物性则受到溶蚀作用、异常高压和沉积相带等多种因素的影响。 There are multiple types and stages glutinite fans developed in the north abrupt slope zone of Chezhen Depression, which are the main direction of the hydrocarbon migration and have great exploration potential. The drilling results of Well Che 66 indicate that the deepwater turbidite fans usually have the better reservoir physical property and oil-bearing probability, which are the preferred exploration goals of the sandstone-conglomerate bodies. The characteristics of deposition of the deepwater turbidite fans were analyzed deeply combined with the geological a-nalysis and analytical test. The oil and gas in the glutinite lithol-ogic oil pool drilled by Well Che 66 was generated and reserved in the same formation. This oil pool experienced two formation stages,and the latter stage was the main. The hydrocarbon reservoir accumulation was mainly controlled by the reservoir physical properties, affected by the dissolution, abnormal high pressure, sedimentary facies belt and other factors.
作者 范振峰 毕彩芹 丁俊侠 Fan Zhenfeng, Bi Caiqin, Ding Junxia.Fan Zhenfeng, Geological Scientific Research Institute, Shengli Oilfield Company of SINOPEC, Dongying City, Shandong Province,257015 ,China
出处 《油气地质与采收率》 CAS CSCD 北大核心 2007年第6期 39-42,共4页 Petroleum Geology and Recovery Efficiency
关键词 陡坡带 深水浊积扇 岩性油藏 异常高压 车镇凹陷 abrupt slope zone, deepwater turbidite fan, lithologic oil pool,abnormal high pressure,Chezhen Depression
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