In view of the difficulty in profile control simulation and evaluation of gel plugging agent system for dual-media fractured reservoir,the study combines percolation theory,lab experiments and process methods,taking the polymer flooding module of reservoir numerical simulation software eclipse as the platform,the study establishes the profile control simulation method of increasing water viscosity and improving the fluidity ratio of water and oil via the gel-forming reaction,and the evalu-ation method of the influence of the system orreservoir and production is also established.The estab-lished methods are applied to an offshore oilfield,which is a high water-cut buried hill reservoir with the aevelopment of fractures.Results show that this method can efficiently and equivalently realize the simulation of mechanism on profiling system to improve the fluidity ratio of water&oil and re-duce fracture water flooding capacity.The simulation results have good consistency with expected effect of the measures.
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