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Productivity Calculation Method for Injection-Production Pattern in Xinjiang Mobei Low Permeability Reservoirs
Advances in Porous Flow
Productivity formulas of conventional reservoir's well-net are based on single-phase flow or oil-water mobility ratio is 1 under the condition of piston water flooding. But this is not consistent with the actual process in low permeability reservoirs. According to the water driving characteristics of areal well pattern injection-production unit, the flow region is divided into three zones in this paper. Productivity formula is derived based on the equivalent flowing resistance methoddoi:10.12677/apf.2011.12005 fatcat:cyjxub7pxfaq5jiv72t3wnejha