Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (1): 94-98.doi: 10.3969/j.issn.1673-8926.2009.01.018

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Application of geological model inversion technique to prediction of subtle reservoir

WEN Gangfeng 1，2，WANG Zhi3，HAN Jun4，GU Bin3   

  1. 1. School of Energy Resources， China University of Geosciences， Beijing 100083， China； 2. Zhundong Institute of Exploration and Development， Xinjiang Oilfield Company， PetroChina， Fukang 831511， China； 3. Exploration Company， Xinjiang Oilfield Company， PetroChina， Karamay 834000， China； 4. Engineering Supervision Center， Xinjiang Oilfield Company， PetroChina， Karamay 834000， China
  • Online:2009-03-16 Published:2009-03-16

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Abstract:

The conventional impedance inversion method is difficult to solve the problems in the exploration and development of lithologic reservoirs. Geological model inversion technique is to establish the geological model by using drilling data, geological information and parameters, and then carry out the constrained inversion. The related geological data obtained such as density, resistivity and velocity could be used to predict favorable exploration areas. The geological model inversion technique has been successfully applied to the exploration in Baijiahai area of Junggar Basin, and the drilling result proves the prediction accuracy of the geological model.

Key words: production rate decline, approach, program, production forecast

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