LITHOLOGIC RESERVOIRS ›› 2015, Vol. 27 ›› Issue (4): 96-102.doi: 10.3969/j.issn.1673-8926.2015.04.014

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Well logging evaluation methods of shale gas reservoir: A case study from Shunan area, Sichuan Basin

Zhong Guanghai12, Xie Bing12, Zhou Xiao12   

  1. 1. Research Institute of Exploration and Development , PetroChina Southwest Oil and Gas Field Company , Chengdu 610041 , China ;2. Key Laboratory of Shale Gas Evaluation and Exploitation of Sichuan Province , Chengdu 610041 , China
  • Online:2015-07-20 Published:2015-07-20

Abstract:

Shale gas is an important unconventional natural gas resource, and research on well logging evaluation methods of shale gas reservoir is still at the starting stage in China. Based on well logging evaluation methods of shale gas reservoir at home and abroad, a petrophysical model of shale gas reservoir was established by some core data. Meanwhile, methods to calculate total organic carbon content, adsorbed gas content and free gas content were studied, a method to calculate the main reservoir parameter for shale gas reservoir was initially formed, and the corresponding well logging interpretation module was also developed. So, a set of shale gas reservoir logging evaluation techniques was establishment, which can provide guidance and technical support for the shale gas exploration and development in Sichuan Basin.

Key words: ΔlgR method, stratigraphy sequence analysis, Qingshankou Formation, Songliao Basin

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