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《Fault-Block Oil & Gas Field》 2011-03
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Productivity analysis of hydraulically fractured gas well in low permeability-deformed media reservoirs

Liu Jie1,Liao Ruiquan1,Yang Zhenping2(1.College of Petroleum Engineering,Yangtze University,Jingzhou 434023,China;2.No.4 Drilling Company,Shengli Petroleum Administrative Bureau,SINOPEC,Dongying 257091,China)  
Fluid flow follows the low rate non-Darcy law considering start-up pressure gradient and media deformation in the production process of hydraulically fractured gas well in low permeability-deformed media gas reservoir instead of Darcy flow.An exponential relationship takes into account the reduction in permeability caused by an increase in effective stress for two common parameterized pressure-permeability functions.Thus,this paper established a mathematical model of transient flow in vertically fractured well with limited conductivity considering start-up pressure gradient and media deformation.This model based on the trilinear flow model researched the bottom-hole pressure changes of low permeability-deformed media gas reservoir for the constant oil production.Calculating results show that the bottom-hole pressure has a little change with the start-up pressure gradient increase and it reduces with media deformed coefficient and fracture conductivity increase.
【Fund】: 国家自然科学基金项目“复杂动态网络的优化计算及其应用”(60873021);; 湖北省高校优秀中青年创新团队项目“低渗透油藏生产井动态仿真与优化决策技术”(T200803)
【CateGory Index】: TE312
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Chinese Journal Full-text Database 10 Hits
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3 GUAN Fu-jia (Key Laboratory for Drilling and Production Engineering of Hubei Province,College of Petroleum Engineering, Yangtze University, Jingzhou 434023, Hubei, China) JIANG Hou-shun (Research Institute of Petroleum Exploration and Development, Beijing 100083,China;Petroleum Engineering Institute, Yangtze University, Jingzhou 434023,Hubei,China )CAO Bao-Jun,ZHOU Qin (Exploration and Development Research Institute,Daqing Oilfield Co. Ltd., CNPC,Daqing 163712, Heilongjiang,China);Two-zone Composite Formation Percolation Model of Wireline Formation Testing (WFT) with Anisotropy[J];Journal of Oil and Gas Technology;2009-02
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