Oil & Gas Geology ›› 2009, Vol. 30 ›› Issue (1): 26-32.doi: 10.11743/ogg20090104

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Oblique compressional structures and hydrocarbon distribution patterns in the northwestern margin of the Junggar Basin

Yang Geng, Wang Xiaobo, Li Benliang, Shi Xin, Li Xuan, Guan Shuiwei   

  1. PetroChina Exploration & Development Research Institute, Beijing 100083, China
  • Received:2008-10-09 Online:2009-02-25 Published:2012-01-16

Abstract:

Data gathered from field survey,geological interpretation of satellite remote sensing images,and the reinterpretation of crustal magnetotelluric measurement data and comprehensive analysis of seismic data of the northwestern margin of Junggar Basin,indicate that the oblique compressional structuress in the study area is consisted of the Dalabute sinistral strike-slip fault,overthrust nappe in the northwestern margin,and NW-trending dextral transverse strike-slip faults.The sinistral strike-slipping of the Dalabute boundary fault controlled the development of the latter two structures,and the area between the two structures is considered to be the key zone for oil and gas accumulations in the northwestern margin of Junggar Basin.

Key words: sinistral strike-slip fault, transverse strike-slip fault, oblique compressional structure, Dalabute boundary fault, hydrocarbon distribution pattern, Junggar Basin

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