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在传统的水侵计算方法的基础上,用物质平衡微分方程解决了三个水侵计算的问题:(1)油(气)藏边内、边外注水时物质平衡微分方程的应用;(2)有含水层的未饱和油藏、带气顶的饱和油藏与气藏应用物质平衡微分方程进行水侵计算的方法;(3)一个含水层中有多个油藏的系统,考虑油藏之间的干扰的水侵计算方法。从而形成了一套应用物质平衡微分方程进行油(气)藏水侵计算的完整的方法。
Based on the traditional calculation method of water intrusion, three problems of water intrusion are solved by the material balance differential equation: (1) the application of mass balance differential equations in the side and side of oil and gas reservoirs; (2) ) Methods of water intrusion in unsaturated reservoirs with aquifers, saturated gas reservoirs and gas pools using matter balance differential equations; and (3) a system with multiple reservoirs in an aquifer that considers reservoir Interference between the water invasion calculation method. Thus, a complete set of methods for calculating the water invasion of oil and gas reservoirs by using the material balance differential equation is formed.