Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (2): 7-10.doi: 10.3969/j.issn.1673-8926.2012.02.002

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Nuclear magnetic resonance logging observation model for heavy oil reservoir and its application

LIU Diren 1,2, YIN Qiuli 1,2, YUAN Jihuang 3, CHEN Jian3, XIE Weibiao 1,2   

  1. 1. Key Laboratory of Exploration Technologies for Oil and Gas Resources, Yangtze University, Jingzhou 434023, China;-9 2. Geophysics and Oil Resource Institute, Yangtze University, Jingzhou 434023, China; 3. West Drilling Well Logging Company, Karamay 834000, China
  • Online:2012-04-20 Published:2012-04-20

Abstract:

Due to the high viscosity and high density of heavy oil, it is difficult to obtain good result by using nuclear magnetic resonance logging observation model for conventional reservoirs in heavy oil field. Based on the principle of nuclear magnetic resonance logging and characteristics of heavy oil reservoir, this paper discussed how to choose the parameters of TW , TE and NE, and obtained effective log data by optimizing observation model for heavy oil reservoir. Taking JMS heavy oil area as an example, the nuclear magnetic resonance logging data were applied to carry out log interpretation for heavy oil reservoir, and good results have been obtained.

Key words: calcarenaceous sandstone, reservoir characteristics, reservoir properties, controlling factors, diagenesis, middle part ofwestern Sichuan Basin

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