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双河油田油气成藏机理研究
引用本文:尹伟,吴胜和,林社卿,宫清顺,李春霞. 双河油田油气成藏机理研究[J]. 石油学报, 2003, 24(5): 40-45. DOI: 10.7623/syxb200305009
作者姓名:尹伟  吴胜和  林社卿  宫清顺  李春霞
作者单位:1. 石油大学石油天然气成藏机理教育部重点实验室, 北京, 102249;2. 石油大学资源与信息学院, 北京, 102249;3. 河南石油勘探局勘探开发研究院, 河南南阳, 473132
基金项目:国家重点基础研究发展规划 (973)项目 (G1 9990 4 330 6),中国石化集团公司重点科技攻关项目 (P0 0 0 1 6)资助
摘    要:双河油田是我国著名的"小而肥"陆相亿吨级大油田,同时发育典型的砂岩上倾尖灭油气藏.详细分析了双河油田砂岩上倾尖灭圈闭的形成过程、油气运移方式、差异抬升导致油气大规模充注成藏过程,对其成藏机理进行了系统研究.研究发现,迁移性构造翘倾导致砂岩上倾尖灭圈闭的形成,廖庄期末,差异抬升导致砂岩上倾尖灭圈闭的闭合幅度大幅增加.油气以砂岩输导层为运移通道,以油组为充注单元,侧向顺层运移.晚渐新世廖庄期末为双河油田的主要成藏期,其成藏模式是:早期为小规模油气充注,中晚期为大规模油气充注叠加连续成藏.

关 键 词:砂岩  上倾尖灭圈闭  油气运移方式  差异构造抬升  油气成藏机理  双河油田  
文章编号:0253-2697(2003)05-0040-06
收稿时间:2003-01-15
修稿时间:2003-01-15

Study on mechanism of oil and gas accumulation in Shuanghe Oilfield
YIN wei , WU Sheng_he , LIN She_qing GONG Qing_shun LI Chun_xia. Study on mechanism of oil and gas accumulation in Shuanghe Oilfield[J]. Acta Petrolei Sinica, 2003, 24(5): 40-45. DOI: 10.7623/syxb200305009
Authors:YIN wei    WU Sheng_he    LIN She_qing GONG Qing_shun LI Chun_xia
Affiliation:1. Key Laboratory for Hydrocarbon Accumulation Mechanism, Ministry of Education, University of Petroleum, Beijing 102249, China;2. School of Resource and Information Technology, University of Petroleum, Beijing 102249, China;3. Exploration and Development Research Institute of Henan Petroleum Exploration Bureau,Nanyang 473132, China
Abstract:Shuanghe Oilfield is a famous "small and abundant" large continental oilfield with over a hundred million tons of oil reserves,and it is also a typical sandstone updip wedge_out reservoir.The mechanism of oil and gas accumulation in Shuanghe Oilfield was studied systematically by analyzing the forming process of sandstone updip wedge out traps,migration style of oil and gas,the process of hydrocarbon accumulation in a large scale caused by different uplifting tectonic movements in the late Liaozhuang period.The results show that the tectonic basculation movement resulted in the formation of sandstone updip wedge out trap,and different uplifting tectonic movement resulted in increase of closure extent of sandstone updip wedge out trap to a large extent in the late Oligocene.The migration pathway of oil and gas is in the sandstone transporting layers,and hydrocarbon charged in an unit of oil measures and migrated laterally along the stratum.The main hydrocarbon accumulation of Shuanghe Oilfield happened in the late Oligocene of late Liaozhuang period.The model of hydrocarbon accumulation is that oil and gas charged in a small scale in the early stage,and those charged in a large scale in the middle and late stage to form reservoir continuatively.
Keywords:sandstone  updip wedge out trap  oil and gas migration model  differential uplifting tectonic movement  hydrocarbon accumulation mechanism  Shuanghe Oilfield
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