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《Special Oil & Gas Reservoirs》 2008-02
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A method of productivity calculation for fractured horizontal well

DING Yi-ping1,2,WANG Xiao-dong1,2,XING Jing3(1.China University to Geosciences,Beijing 100083,China;2.Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Accumulation,Ministry of Education,Beijing 100083,China;3.Northwest Oilfield Company,SINOPEC,Urumchi,Xinjiang 841600,China)  
Productivity evaluation is an important and difficult work in horizontal well fracturing.With proper understanding of production distribution in the formation and fractures,a productivity equation for fracturing in horizontal wells with many lateral fractures is determined by using the concept of equivalent borehole diameter.The geometric and physical parameters of the reservoir model and horizontal well fractures are also analyzed and defined.The influences of the number of fractures and the distance between fractures on bottom hole pressure in horizontal wells and fracture flow distribution are dynamically analyzed.This may guide fracturing design of horizontal wells.
【CateGory Index】: TE328
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