The minimum underbalance is independent of viscosity and compressibility and of reservoir fluids.It is a function of the formation porosity, permeability and radius of perforation channels.
最小测试压差
是依赖于地层流体粘度和压缩性，而是为地层孔隙度、渗透率和射孔孔眼
径的函数。
The minimum underbalance is independent of viscosity and compressibility and of reservoir fluids.It is a function of the formation porosity, permeability and radius of perforation channels.
最小测试压差是依赖于地层流体粘度和压缩性，而是为地层孔隙度、渗透率和射孔孔眼径的函数。
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