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油层中流体必须克服一定压力后才能流动，这种压力即为流体渗流时的启动压力．本文从流变学原理出发，推导出低渗透油藏流体渗流启动压力的理论计算公式。该方法计算简便，易于科技人员掌握使用，从而为油田开发部署提供一定依据。
Fluid in the reservoir must overcome a certain pressure before it can flow. This pressure is the starting pressure when the fluid seeps. Based on the theory of rheology, this paper deduces the theoretical formula of the seepage starting pressure of fluid in low permeability reservoirs. The method is simple and easy to calculate, which is easy to be used by scientific and technical personnel, so as to provide a certain basis for the development and deployment of oilfields.