歧口凹陷唐东走滑断裂存在证据及勘探意义  

RECENT EVIDENCE AND OF THE TANGDONG TECTONIC ZONE STRIKE-SLIP FAULT IN QIKOU DEPRESSED BASIN AND IT’S SIGNIFICANCE IN EXPLORATION

作　　者：张延章[1] 李淑恩[2] 罗水余[1] 石倩茹[2] 池永红[2] 

机构地区：[1]中国地质大学(北京),北京100083 [2]大港油田油气勘探开发技术研究中心,天津300280

出　　处：《新疆地质》2005年第4期410-412,共3页Xinjiang Geology

摘　　要：多年来由于缺乏有利的地质证据,对唐东构造带NS向构造破碎带的认识、理解存在差异,造成该区生产研究中走滑断层、转换带、构造调节带、平移断层等概念多次重复使用,并严重制约了该区的整体勘探部署.新近地震解释结果与地球物理速度反演成果表明:大港探区滩海沿岸带新生代构造变形是在NWW向伸展构造变形基础上,叠加NNE向深断裂右旋走滑构造变形的结果,具有形成近NS向走滑断层的区域地质构造背景,同时,唐东走滑断裂将对该构造带及邻区油气聚集成藏与勘探部署具有指导意义.Due to the lack of geological observation there are different interpretations on the SN tectonic fragmentation zone of the TangDong tectonic zone. This has led to multiple descriptions of the zone： transform fault, adjustable fault, strike-slip fault, and transcurrent fault on the same fault. This directly affects exploration programs in the zone. Based on the results of the latest seismic interpretation and seismic inversion, the Cenozonic tectonic transfiguration in the Da Gang seashore is shown to overlap a NNE deep-seated fault of dextral strike-slip tectonic transfiguration upon a WNW-ESE extended tectonic movement. The TangDong seashore area possesses a background SN strike-slip fault. The existence of the TangDong＇s strike-slip fault has clear significance on the oil beating potential and exploration for oil in the tectonic zone and neighbouring areas.

关 键 词：走滑断裂 构造形迹 地震切片 地震反演 

分 类 号：P542.3[天文地球—构造地质学]