Xinjiang Petroleum Geology ›› 1996, Vol. 17 ›› Issue (3): 269-274.

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CALCULATION OF ECONOMIC RECOVERABLE RESERVE AT HIGH-WATER-CXJT STAGE IN WATERFLOODED SANDSTONE OILFIELD

Yang Fengbo   

  1. Research Institute of Exploration and Development Henan Petroleum Exploration Bureau, Nanyang 473132
  • Received:1996-03-08 Online:1996-09-01 Published:2020-07-27
  • About author:Yang Fengbo, Engineer Reservoir Engineering

Abstract: The formula for calculating economic oil displacement efficiency, economic water injection sweep volume efficiency and effective producing life of producing well were developed to have further improved the calculation of economic recoverable reserve and offered a new thought for deep research of this issue.

Key words: Water injection, Sandstone reservoir, High water cut stage, Economic benefit, Recoverable reserve