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王集及周缘地区核三段储层展布特征研究 预览

Study on Reservoir Distribution Characteristics of Member 3 in Wangji and Its Peripheral Areas
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摘要 王集及周缘地区位于泌阳凹陷北部斜坡中部,该区断裂发育,储层受多物源控制,沉积相带变化快,砂体平面展布复杂,砂体与构造的匹配关系不明确,造成可供勘探开发的油藏越来越隐蔽,油气勘探从简单的构造油气藏转向隐蔽性的断层-岩性、岩性油藏.本文在精细地层对比的基础上,开展储层展布特征研究,纵向上细分单砂体,横向上精细描述有效储层及岩性封堵干带的展布边界,逐层梳理断层-岩性圈闭发育有利区,为寻找岩性、复合油气藏奠定基础. Wang Ji and its surrounding areas are located in the middle of the northern slope of Biyang Depression,where faults are well developed.Reservoirs are controlled by multiple provenances,and sedimentary facies zones change rapidly.The plane distribution of sand body is complex,and the matching relationship between sand body and structure is not clear.As a result, more and more concealed reservoirs are available for exploration and development. Oil and gas exploration has shifted from simple structural reservoirs to concealed fault-lithologic and lithologic reservoirs.On the basis of fine stratigraphic correlation,this paper studies reservoir distribution characteristics and subdivides single sand body vertically.Laterally,the distribution boundary of effective reservoirs and lithologic sealing dry zones is described in detail,and the favorable areas for the development of fault-lithologic traps are sorted out layer by layer.It lays a foundation for the exploration of lithologic and composite reservoirs.
作者 张聪 Zhang Cong(Exploration and Development Research Institute,Henan Branch of Henan Oilfield,Henan Zhengzhou 450048)
出处 《石化技术》 CAS 2019年第6期137-137,179共2页 Petrochemical Industry Technology
关键词 王集及周缘 砂体展布 物性展布 Wang Ji and his surroundings Sandbody distribution Physical property distribution
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