3D Physical Simulation Experiment of Edge Water Reservoir by Polymer/Surfactant Binary Flooding

3D Physical Simulation Experiment of Edge Water Reservoir by Polymer/Surfactant Binary Flooding

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To investigate the enhanced oil recovery (EOR) technology by chemical flooding in an edge water reservoir, a 3D physical simulation experimental device for the edge water reservoir was developed, and polymer/surfactant binary flooding experiments were carried out under different edge water energies.In addition, the effect and mechanism of binary flooding on EOR under different edge water energies were comprehensively analyzed.Experimental results hobbit door for sale show that edge water intrusion considerably affects EOR by binary flooding.The stronger the edge water energy, the worse the effect of EOR by binary flooding.Edge water possibly diluted the concentration of the chemical agent medium that is injected into the reservoir, and the degree of dilution varied in different regions.

The dilution region was mainly distributed il barone wine between the injection wells and edge water.The stronger the edge water energy, the higher the dilution multiple of chemical agent and the greater the recovery loss rate by binary flooding.