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Volume 32 Issue 4
Aug 2021
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Article Contents
Journal of Earth Science  > 2021  >  32(4): 1011-1021.
Wengang He, Ehsan Barzgar, Weiping Feng, Liang Huang. Reservoirs Patterns and Key Controlling Factors of the Lenghu Oil & Gas Field in the Qaidam Basin, Northwestern China. Journal of Earth Science, 2021, 32(4): 1011-1021. doi: 10.1007/s12583-020-1061-z
Citation: Wengang He, Ehsan Barzgar, Weiping Feng, Liang Huang. Reservoirs Patterns and Key Controlling Factors of the Lenghu Oil & Gas Field in the Qaidam Basin, Northwestern China. Journal of Earth Science, 2021, 32(4): 1011-1021. doi: 10.1007/s12583-020-1061-z
shu

Reservoirs Patterns and Key Controlling Factors of the Lenghu Oil & Gas Field in the Qaidam Basin, Northwestern China

doi: 10.1007/s12583-020-1061-z
  • 1.

    College of Engineering and Technology, Zunyi Normal University, Zunyi 563006, China

  • 2.

    State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China

  • 3.

    Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

  • 4.

    CNPC Logging International, Beijing 102206, China

More Information
  • Corresponding author: Wengang He, hewengang123@aliyun.com
  • Received Date: 15 Apr 2020
  • Accepted Date: 18 Jul 2020
  • Publish Date: 16 Aug 2021
    Abstract
  • The Lenghu area is one of the most crucial tectonic belts for oil and gas exploration in the Qaidam Basin. However, reservoir distribution and the factors controlling petroleum accumulation in this area have not been studied in detail. In this paper, the structural characteristics and controlling factors of oil and gas accumulation in the Lenghu belt are investigated based on seismic profiles combined with drilling logs and microphotographs data. Results indicate that the Lenghu belt has thick source rocks and has preserved hydrocarbon generation conditions. Moreover, structural characteristics and lithology are the key factors controlling the reservoir distribution. The production of oil and gas layers are mainly distributed in high structural points and weak stress zones. The fracture zones and the weak stress zones are the potential places for the distribution of oil and gas reservoirs.

     

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