<p>The paper investigates the problem of determining the coefficient of oil recovery of a stratum in a deposit with a relaxation- deformable porous medium when it is operated using a uniform network of wells in a dissolved gas drive. An appropriate algorithm is suggested and, based on assumed hypothetical data, a numerical calculation is carried out. The calculation result shows that in the considered cases, the final oil recovery from a deposit with a relaxation-deformable porous medium can be up to 20% lower than in a deposit with a nonlinear elastic porous medium.</p>

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Variation in Oil Recovery During Oil Filtration in Reservoirs with Relaxation-Deformable Porous Media

  • B. Z. Kazymov

摘要

The paper investigates the problem of determining the coefficient of oil recovery of a stratum in a deposit with a relaxation- deformable porous medium when it is operated using a uniform network of wells in a dissolved gas drive. An appropriate algorithm is suggested and, based on assumed hypothetical data, a numerical calculation is carried out. The calculation result shows that in the considered cases, the final oil recovery from a deposit with a relaxation-deformable porous medium can be up to 20% lower than in a deposit with a nonlinear elastic porous medium.