Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (5): 102-106.doi: 10.3969/j.issn.1673-8926.2012.05.019

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Application of AVO fluid inversion technique to hydrocarbon detection in northeastern Sichuan

LI Ning1， SU Yun 1，2，3， TIAN Jun4， QIN Guangsheng 1   

  1. 1. Geophysical Research Institute， Zhongyuan Oilfield Company， Sinopec， Puyang 457001， China； 2. Postdoctoral Workstation， Zhongyuan Oilfield Company， Sinopec， Puyang 457001， China； 3. PetroChina Research Institute of Petroleum Exploration & Development， Beijing 100083， China； 4. Geophysical Wireline Logging Company， Zhongyuan Oilfield Company， Sinopec， Puyang 457001， China
  • Online:2012-10-20 Published:2012-10-20

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Abstract:

As traditional AVOtechniques can not be used to visually evaluate the hydrocarbon potential of the reservoir, so the extracted AVO attributes are not well in accord with the gas-bearing properties of the actual wells. This paper proposed AVO fluid inversion to analyze the gas-bearing properties in northeastern Sichuan. This technology was successfully applied in the fourth member of Xujiahe Formation in one area of northeastern Sichuan. The result was consistent with case of actual wells, and good results have been achieved, which affords a favorable evidence for reservoir prediction in this area.

Key words: luvial sand bodies, braided river, meandering river, sand bodies distribution and evolution, He 8 member, Su 14 block, Ordos Basin

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