Lithologic Reservoirs ›› 2010, Vol. 22 ›› Issue (4): 104-108.doi: 10.3969/j.issn.1673-8926.2010.04.019

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Productivity prediction of Chang 8 reservoir using log data in Zhenjing Oilfield

YI Chao1， DING Xiaoqi1， GE Pengli2， GUO Jia1   

  1. 1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation， Chengdu University of Technology， Chengdu 610059， China； 2. Northwest Oilfield Company， Sinopec， Urumqi 830011， China
  • Online:2010-12-15 Published:2010-12-15

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Abstract:

The Chang 8 reservoir in Zhenjing Oilfield in Ordos Basin is ultra-low permeability reservoir. There are various factors influencing the production with complex correlation, which brings a lot of difficulties in productivity prediction. The log response characteristics of oil layer, poor-oil layer, oil-water layer and dry layer are identified and the effective thickness of oil layer, poor-oil layer and oil-water layer are calculated. The main factors influencing the productivity are found out by testing data, by using which a correlation coefficient has good linear relation with productivity is build up, and then the productivity is predicted.

Key words: stratigraphic-lithologic trap, slope belt, burial hill, exploration potential, Liaohe seabeach

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