Oil & Gas Geology ›› 2011, Vol. 32 ›› Issue (6): 903-908.doi: 10.11743/ogg20110613

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Comparison and evaluation of hydrocarbon accumulation conditions between the southern and northern Tien Shan thrust-fold belts

Zhao Guiping1,2   

  1. 1. Key Laboratory of Computational Geodynamics, Chinese Academy of Sciences, Beijing 100049, China;
    2. Graduate School, Chinese Academy of Sciences, Beijing 100049, China
  • Received:2009-09-15 Online:2011-12-28 Published:2012-02-08

Abstract:

The fold-thrust belts on the southern and northern sides of Tien Shan are among the most important target areas for oil and gas exploration.According to the preserve condition analyses for oil and gas,there are some similarities between these two side fold-thrust belts like in the aspects of source rock features,reservoir characters,structures and traps.However,the petroleum geology on the southern side of Tien Shan is better than that on the northern side of Tien Shan,such as the content of organic of source rocks,the characteristics and thickness of reservoirs,structure styles and trap characters.The main factors for these differences are various basin attributions/evolution history,basin-mountain contact relationships,sediment burial history,the lithology of the detachment zone and preserve conditions.

Key words: hydrocarbon accumulation, exploration potential, thrust-fold belt, Tien Shan, Tarim Basin, Junggar Basin

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