新疆石油地质 ›› 1994, Vol. 15 ›› Issue (3): 201-207.

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吐哈盆地台北凹陷区域构造格架特征

王雄兆, 高锦麟   

  1. 第一作者: 高级工程师 石油物探 石油地球物理勘探局 河北涿州 072751
  • 收稿日期:1994-02-19 出版日期:1994-09-01 发布日期:2020-07-22

CHARACTERISTICS OF REGIONAL TECTONIC FRAMEWORK IN TAIBEI SAG OF TURPAN-HAMI BASIN

Wang Xiongzhao, Gao Jinlin   

  1. First Author:Senior Bogincer, Petroleum Gcology, Gcophysical Petroleum Exploration Bureau,CNPC,Zhuozhou,Hcbei 072751
  • Received:1994-02-19 Online:1994-09-01 Published:2020-07-22

摘要: 台北凹陷是具有双层结构的压扭性复合凹陷,前三叠纪为拉张型凹陷,三叠纪-第四纪为挤压型凹陷。断裂和构造在凹陷东区呈北东向雁行排列,在凹陷西区呈北西向雁行排列。各背斜构造有三条主断裂,为三期构造运动所造成。台北凹陷的背斜构造可分为基底卷入断裂型、基底隆起型、盖层滑脱型和差异压实型。其中断裂型背斜又分半扇形断裂控制亚型、聚敛复合亚型、错开离散亚型和叠复亚型。含油气评价以凹陷中心地区侏罗系为最好,次为各生油凹陷的周围地区,再次为山前带的前缘地区及局部斜坡带。

关键词: 吐哈盆地, 台北凹陷, 构造格架, 侏罗系, 含油气评价

Abstract: Tabei sag is congidered to be a compresso-shear compound sag with dual structures,which was a tensional one during pre-Triassic period or a compressional one during Triassic to Quaternary period. Echelon fractures and structures strlke NE in the eastern part and NW in the western part,Three major fracturs resulting from the three periods of tectonic movements are prescent on cach anticline,Anticlines in Taibei sag can be divided into four types: anticlinds of basement-convoluting fault,basement uplft,superifical decollement and differential compaction.Futhermore, faulting anticline can be subdivided into four sccondary typs: semi-fan fault-controlled anticline,convergence compound anticline,dislocation and divergence anticline, and overlapping anticline. The Jurassic at the center of the sag is the most praspective formation,next is adjacent area to oil ganeration sag followd by the front of foreland and local slope zone.

Key words: Turpan-Hami basin, Taibei sag, Tectonic framework, Jurassic, Hydroarbon evaluation