临清坳陷东部构造样式叠合演化特征及其控油气作用
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摘要
通过地震资料的构造解释,将临清坳陷东部的构造样式归为伸展、走滑、挤压和反转四种。伸展样式产生于J3-K1和E,走滑样式产生于Es3s-Ed期,挤压样式产生于T3和K2,反转样式产生于K2末-E早期。古近纪伸展构造控制了生烃凹陷的展布;走滑构造抑制了油气的垂向运移;反转构造导致煤系烃源岩早期生烃的散失。
By the structure of the seismic data interpretation,the tectonic style is divided into four kinds in the east of Linqing depression,which namely extensional,strike-slip,compressional,and reversion.Extensional structural style was mainly developed during late Jurassic-early Cretaceous Era and Paleogene Period,strike-slip structural style was mainly developed during deposition of Es3s-Ed,compressional structural style was mainly developed during late Triassic and late Cretaceous Era,and reversion structural style was mainly developed during the end of Cretaceous- early Paleogene.Extensional structural style formed in Paleogene controlled distribution of principal hydrocarbon kitchen;strike-slip structure usually formed in shallow buried horizon,therefore,reservoir usually formed in area close to hydrocarbon kitchen;reversal structures played important role during dissipation of hydrocarbon formed in coal measure in early stage,therefore,area within hydrocarbon generation center is favorable for exploration.
By the structure of the seismic data interpretation,the tectonic style is divided into four kinds in the east of Linqing depression,which namely extensional,strike-slip,compressional,and reversion.Extensional structural style was mainly developed during late Jurassic-early Cretaceous Era and Paleogene Period,strike-slip structural style was mainly developed during deposition of Es3s-Ed,compressional structural style was mainly developed during late Triassic and late Cretaceous Era,and reversion structural style was mainly developed during the end of Cretaceous- early Paleogene.Extensional structural style formed in Paleogene controlled distribution of principal hydrocarbon kitchen;strike-slip structure usually formed in shallow buried horizon,therefore,reservoir usually formed in area close to hydrocarbon kitchen;reversal structures played important role during dissipation of hydrocarbon formed in coal measure in early stage,therefore,area within hydrocarbon generation center is favorable for exploration.
引文
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[3]胡贤根,谭明友,张明振.济阳坳陷东部走滑构造及其形成机制[J].油气地质与采收率,2007,14(5):42~45.
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[5]贾红义,路慎强,于建国,等.惠民凹陷临邑断裂沙四、沙三段活动规律及对油气成藏的控制[J].大地构造与成矿学,2009,33(3):365~371.
[6]刘绍龙.华北地区大型三叠纪原始沉积盆地的存在[J].地质学报1986,(2):128~138.
[7]陈世悦.华北地块南部晚古生代至三叠纪沉积构造演化[J].中国矿业大学学报,2000,29(5):536~539.
[8]漆家福,于福生,陆克政,等.渤海湾地区的中生代盆地构造概论[J].地学前缘,2003,10(特刊):199~206.
[9]周立宏,李三忠,刘建忠,等.渤海湾盆地区燕山期构造特征与原型盆地[J].地球物理学进展,2003.18(4):692~699.
[10]陈发景,赵海玲.中国东部中——新生代伸展盆地构造特征及地球动力学背景[J].地球科学,1996,21(4):357~361.
[11]吴智平,李伟,任拥军,等.济阳坳陷中生代盆地演化及其与新生代盆地叠合关系探讨[J].地质学报,2003,77(2):280~286.
[12]柳忠泉,逄建东,徐佑德.梁村潜山带二氧化碳气成因及成藏机理[J].成都理工大学学报(自然科学版),2003,30(5):518~521.
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