High rate non-Darcy flow is easier to occur in low permeability reservoirs?

  • WEI Chenxing ,
  • LIAN Zhanghua ,
  • DING Liangliang ,
  • GUO Yanruo ,
  • HAN Tao
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  • State Key Laboratory of Oil and Gas Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

Online published: 2011-12-20

Abstract

High rate non-Darcy flow increases additional pressure drop and decreases flow efficiency in reservoirs, which is unfavorable to petroleum production.Whether high rate non-Darcy flowis easier to occur in low permeability reservoirs or in high permeability reservoirs is a problem unsolved well. Previous experiment results by several authors showthat low permeability reservoirs are more suitable for high rate non-Darcy flowto occur. However flowin low permeability reservoirs is extremely difficult and high rate can not be reached usually. According to mechanics of fluids, conditions of high rate non-Darcy flow and factors causing high rate non-Darcy flow were studied. It is considered that high rate non-Darcy flowis easier to occur in high permeability reservoir than in low permeability reservoir. So the effect of high rate non-Darcy flowcan be neglected in development of low permeability reservoirs.

Cite this article

WEI Chenxing , LIAN Zhanghua , DING Liangliang , GUO Yanruo , HAN Tao . High rate non-Darcy flow is easier to occur in low permeability reservoirs?[J]. Lithologic Reservoirs, 2011 , 23(6) : 111 -112 . DOI: 10.3969/j.issn.1673-8926.2011.06.021

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