Control Factors of Carboniferous-Permian Volcanic Reservoir of Zhongguai Wubaqu in Northwest Margin of Junggar Basin

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  • 1.Key Laboratory of Petroleum Resources Research,Institute of Geology and Geophysics,Chinese Academy
    of Sciences,Lanzhou 730000,China;2.Graduate University of Chinese Academy of Sciences,Beijing 100049,
    China;3.Institute of Exploration and Development of Xinjiang Oil Company,Karamay 834000,China.

Received date: 2011-06-24

  Revised date: 2011-07-25

  Online published: 2011-12-10

Abstract

Based on volcanic lithology,lithofacies features,porosity type,reservoir physical property and etc.,volcanic reservoir characteristics of Carboniferous\|Permian in Zhongguai\|Wubaqu of northwest margin in Junggar basin are studied by using the methods of core observation,thin section identification (conventional and casting thin section),electronic probe spectrum and image analysis etc.The results show that:The volcanic reservoir is mainly volcanic tuff in eruptive facies,andesite and volcanic breccia in effusive facies;secondary pore is the main pore type;the main storage and accumulation space types of the volcanic reservoir are residual pores、intracrystalline pore and structural fracture.Volcanism,tectonism and dissolution are the main influencing factors of reservoir physical property.

Cite this article

WU Zhi-Xiong, WANG Hui, Tang Zhi-Ling, SHI Ji-An, ZHANG Shun-Cun . Control Factors of Carboniferous-Permian Volcanic Reservoir of Zhongguai Wubaqu in Northwest Margin of Junggar Basin[J]. Natural Gas Geoscience, 2011 , 22(6) : 1033 -1039 . DOI: 10.11764/j.issn.1672-1926.2011.06.1033

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