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《Journal of Daqing Petroleum Institute》 2010-02
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Deliverability prediction method for horizontal wells for reservoirs with heterogeneity in horizontal direction

WANG Shu-ping1,2,YUAN Xiang-chun1,LIU Chuan-xi1,YAN Jin1( 1.Petroleum Exploration and Production Institute Sinopec,Beijing 100083,China;2.Petroleum Engineering School,China University of Petroleum,Beijing 102249,China )  
The horizontal well can increase the contact area with the reservoir,lower production pressure;therefore,it has become an effective way to improve deliverability of gas wells.Permeability heterogeneity in horizontal direction is an important characteristics in low-permeability oil and gas reservoirs where horizontal well flow mechanism is very complicated.Deliverability model conformed to the first law of thermodynamics and Darcy’s law,and took the reservoir-horizontal wellbore cross-flow and horizontal-wellbore friction into consideration.The result shows that the error of the new model is 2.18%,and it provides an effective method to predict horizontal well deliverability for reservoir with permeability heterogeneity in horizontal direction.
【Fund】: 中石化股份有限公司科技攻关项目(G1301-08-KK-035)
【CateGory Index】: TE328
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