摘要
塔东2号背斜构造在晚志留世开始形成雏形,晚三叠世基本定型。通过对塔东2号背斜构造二维地震资料、塔东2井区三维地震资料和塔东地区二维地震资料的精细解释,构建了塔东2号构造的断裂系统。断裂系统主要分两期:分别是古生代断裂系统,中生代断裂系统,这两期断裂系统均受控于包括车尔臣一级断裂在内的塔东南地区逆冲断裂系。背斜构造地区主要发育寒武系碳酸盐岩烃源岩,发育寒武系、震旦系两大套储盖组合及前震旦系变质岩潜在储盖组合,具有良好的油气勘探前景。断裂系统对塔东2号构造的储层改善和油气的疏导运移起着至关重要的作用,同时也可能导致了油藏后期破坏的发生。
As an anticline, Structure Tadong2 was formed originally at late Silurian stage, and was shaped at late Triassic. Based on the detailed interpretation of 2-dimensional seismic profiles of Structure Tadong2,3-dimensional seismic profiles of Wellblock Tadong2 and the 2-dimensional seismic profiles of the eastern Tarim Basin, the fault system of Structure Tadong2 was established.It mainly contained two subfault systems: the Mesozoic fault system and the Paleozoic fault system, these two subfault systems were both controlled by the north thrusting fault system which contained Cheerchen Fault.Tadong2 Structure contains mainly Cambrian oil source rocks and two series of source-cover mixes in Sinian and Cambrian, and is a series of potential source-cover mixes in pro-Sinian rocks, so the anticline structure has a good exploration prospect of oil and gas. The fault system plays the most important role in improving the reservoirs. On the other hand, it may also destroy the oil and gas source.
出处
《石油天然气学报》
CAS
CSCD
北大核心
2009年第2期187-192,共6页
Journal of Oil and Gas Technology
关键词
塔东2号构造
断裂系统
碳酸盐岩
油气运移
油气藏
塔里木盆地东部
Structure Tadong2
fault system
carbonate rocks
oil and gas migration
oil and gas reservoir
Eastern Tarim Basin
