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Evaluation Method of Reservoir Producing Status Based on Cumulative Distribution Curve of Oil Displacement Efficiency

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  • Cuo Guan
  • Chengfang Shi
  • Dacheng Wu
  • Wenrui Hu
  • Zhaoliang Li

Abstract

This paper provides a method for evaluating the status of old oilfield development. This method mainly uses the abundant coring well data of the oilfield to obtain the cumulative distribution curve of the displacement efficiency after the displacement efficiency of the statistical wells in the study area in a similar period is ordered from small to large. Based on the cumulative distribution curve of displacement efficiency, combined with the reservoir ineffective circulation limit, the cumulative water absorption ratio of reservoirs and other data are used to study the reservoir producing degree, calculate the degree of oil recovery, evaluate the proportion of the remaining movable oil after water flooding, calculate the reservoir ineffective circulation thickness and ineffective circulation water volume, and so on.

Suggested Citation

  • Cuo Guan & Chengfang Shi & Dacheng Wu & Wenrui Hu & Zhaoliang Li, 2017. "Evaluation Method of Reservoir Producing Status Based on Cumulative Distribution Curve of Oil Displacement Efficiency," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-5, July.
    • Handle: RePEc:hin:jnlmpe:5185360
    DOI: 10.1155/2017/5185360
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