彩南油田彩003井区小型构造样式

英文篇名：Study on minor-scale structure patterns of Block Cai-003 of Cainan Oilfield and its meaning
中文刊名：大庆石油地质与开发
英文刊名：Petroleum Geology & Oilfield Development in Daqing
作者：刘金华 ; 杨少春 ; 杨柏 ; 黄建廷
英文作者：LIU Jin-hua1 ; 2 ; YANG Shao-chun1 ; 2 ; YANG Bai1 ; 2 ; HUANG Jian-ting1 ; 2(1.Key Lab in Shandong for Subtle Reservoir and Remaining Oil Research ; China University of Petroleum ; Dongying 257061 ; China ; 2.Resources and Information Institute of China University of Petroleum ; Dongying 257061 ; China)
中文关键词：准噶尔盆地 ; 彩南油田 ; 小型构造样式 ; 成因分析 ; 油气勘探
英文关键词：Junggar Basin ; Cainan Oilfield ; minor structure pattern ; genesis analysis ; oil and gas exploration
出版日期：2008-10-01
机构：中国石油大学隐蔽油气藏与剩余油山东重点实验室;
年：2008
期：05
出版单位：大庆石油地质与开发

摘要

通过彩南油田彩003井区三维地震资料的精细解释及综合地层、断层的研究后发现,工区内发育A型阶梯式、B型阶梯式、"y"字型和双"y"字型构造样式;分析工区内构造样式分布规律、应力场认为,4种构造样式是同一断层发育带在不同位置出现的不同构造样式,是由拉张环境下断裂带不同位置的不同应力释放程度形成的。依据工区油气来源和油气运聚规律,在4种构造样式中,储层在断层的封堵下均可形成断鼻油气藏,且因B型阶梯式构造样式内部地层与断层关系的特殊性出现在油气聚集过程中,从而形成断层两侧均发育油气藏的特殊规律。
Through fine 3D seismic interpretation of Block Cai-003 in Cainan Oilfield and integrate studies on horizons and faults,4 structure patterns have been identified within the studied area:A-type notching structure,B-type notching structure,"y"-shape structure and double"y"-shape structure.After analyzing the structures distribution and field of stresses,it is concluded that all of the four patterns of structures originate form the same fault,the presences of which are different according to different positions,attributing to the reason that stress releasing degrees of faulted zones differ in different positions under tensile conditions.Studies on oil and gas origination and accumulation in the area have been conducted,showing that in the four structures,if the reservoirs are trapped by faults,they would develop faulted-nose reservoirs.Because of the specialty between the stratum and faults within the B-type notching structure,reservoirs form along both sides of the faults particularly.

引文

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