新疆三塘湖盆地走滑构造特征与油气勘探
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摘要
通过对钻井岩心资料系统观察以及地震资料的全面检查,证实新疆三塘湖盆地内存在走滑构造,表现为简单走滑(逆—平移)断层和正花状走滑断层两种基本形式。在中央拗陷带内走滑断层与边界主断层斜交并呈“雁列式”排列,表明走滑构造可能在边界断层发生大规模逆冲兼右行走滑时形成,其形成时期可能为喜山期。同时走滑构造对油气的生成、运移与聚集起着重要的控制作用。
Based on drilling-wells and seismic data,it was proved that there are strike-slip tectonics in Santanghu basin in the following two basic forms:simplified strike-slip faults and positive flower strike-slip faults.Strike-slip tectonics formed possibly in Himalayan Period when the boundary faults thrusted and right lateral strike slipped concurrently,intersect the boundary faults of the central geotectogene and collocate like the en-echelon faults.They play an important role in the generation,migration and accumulation of hydrocarbons.
Based on drilling-wells and seismic data,it was proved that there are strike-slip tectonics in Santanghu basin in the following two basic forms:simplified strike-slip faults and positive flower strike-slip faults.Strike-slip tectonics formed possibly in Himalayan Period when the boundary faults thrusted and right lateral strike slipped concurrently,intersect the boundary faults of the central geotectogene and collocate like the en-echelon faults.They play an important role in the generation,migration and accumulation of hydrocarbons.
引文
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[2]张岳桥,陈正乐,杨农.阿尔金断裂晚新生代左旋走滑位移的地质新证据[J].现代地质,2001,15(1):8-12.
[3]刘和甫,李晓清,刘立群,等.走滑构造体系盆山耦合与区带分析[J].现代地质,2004,18(2):139-150.
[4]葛肖虹,张梅生,刘永江,等.阿尔金断裂研究的科学问题与研究思路[J].现代地质,1998,12(3):295-301.
[5]吴中海,吴珍汉,胡道功,等.青藏高原中部第四纪左旋剪切变形的地表地质证据[J].现代地质,2003,17(4):363-370.
[6]陈发景,汪新文,张光亚,等.中国中、新生代含油气盆地构造和动力学背景[J].现代地质,1992,6(3):317-327.
[7]刘和甫.沉积盆地地球动力学分类及构造样式分析[J].地球科学———中国地质大学学报,1993,18(6):699-724.
[8]陈发景,汪新文.中国中、新生代含油气盆地成因类型、构造体系及地球动力学模式[J].现代地质,1997,11(4):409-424.
[9]孙洪斌,张凤玲.辽河盆地走滑构造特征与油气[J].大地构造与成矿学,2002,26(1):16-21.
[10]何民喜,刘池阳.盆地走滑变形与古构造分析[M].西安:西北大学出版社,1992.
[11]W ilcox R E,Hard ing T P,Seely D R.Basic wrench tecton ics[J].AAPG Bu ll,1973,57:74-96.
[12]Sylvester A G.Strike slip fau lts[J].Geological Society ofAm erican Bu lletin,1989,100:1666-1703.
[13]Hard ing T P.Seism ic characteristics and identification of nega-tive flower structure,positive flower structure and positive struc-ture inversion[J].AAPG Bu ll,1985,69:582-600.
[14]NaylorM A,Mand l G,S ijpesteijn C H K.Fau lt geom etries inbasem ent-induced wrench fau lting under d ifferent in itial stressstates[J].Journal of Structural Geology,1986,8(7):737-752.
[15]王义天,李继亮.走滑断层作用的相关构造[J].地质科技情报,1999,18(3):30-34.
[16]任纪舜,王作勋,陈炳尉,等.从全球看中国大地构造———中国及邻区大地构造图简要说明[M].北京:地质出版社,1998.
[17]谢富仁,崔效锋,赵建涛,等.中国大陆及邻区现代构造应力场分区[J].地球物理学报,2004,47(4):654-662.
[18]万天丰.中国大地构造学纲要[M].北京:地质出版社,2004.
①周鼎武,冯乔,柳益群,等.三塘湖盆地石油地质条件综合评价.西北大学地质学系,2003.
②谢继容,蒋骥,魏小薇,等.三塘湖盆地马朗凹陷芦草沟组油藏地质综合研究.四川华油科技开发有限公司,2000.
③梁浩,勒振甲,毛世权,等.三塘湖盆地构造研究及目标选择.吐哈油田分公司,2000.
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