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INFLOW PERFORMANCE ANALYSIS ON HORIZONTAL WELL BORE WITH CHANGING-QUALITY-TURBULENCE EFFECTION

LI Xiao?-ping,et al.(Daqing Petroleum Institute,Anda 151400,China)  
During the producing process of a horizontal well,fluid flow in well bore and stratum filtering flow have the restraining and effecting actions.They can form the boundary conditions with each other and become an integrated system of the hydrodynamics.According to the mutual relation between fluid flow in well bore of horizontal well and reservoir,a new method of the coincidence-computation for changing-quality-turbulence and stratum filtering flow in a horizontal well with pressure gradient was developed.Furthermore,on the basis of the result of coincidence-computation-simulation,an accurate inflow performance relationship curve of horizontal well (IPRCHW) was drawn.This method can provide reliable ways for describing the inflow performance of horizontal well,evaluating production capacity of horizontal well and defining the rational working systems.
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