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以渗流力学理论为基础,在调研国内外资料的基础上,建立了碳酸盐岩三重介质油藏的渗流模型,模型中产量项考虑了只有裂缝向井底供液和溶洞、裂缝同时向井底供液两种情况,同时给出了溶洞、裂缝和基岩间窜流量的计算方法。利用C++编写了三重介质数值模拟软件,通过模拟双孔双渗理论五点法模型,对比本文与成熟的商用油藏模拟器ECLIPSE的计算结果,验证了模型及软件的正确性。同时,给出了三重介质五点法模型的两种计算结果。
Based on the seepage mechanics theory, based on the investigation of domestic and foreign data, a seepage model of carbonate triple reservoir is established. The yield term in the model considers only the supply of the fractures to the bottom hole and the cave, and the fractures supply to the bottom of the well at the same time Liquid two cases, at the same time gives karst caves, fractures and bedrock flow calculation method. By using C ++, a triple-media numerical simulation software was written. By comparing with the five-point model of dual-porosity and double-permeability theory, the simulation results of ECLIPSE, a commercial reservoir simulator, were compared with those of the commercial reservoir simulator. The correctness of the model and software was verified. At the same time, two kinds of calculation results of three-point five-point model are given.