{"title":"Calculation of the Optimal Injected-Gas Compositions to Increase the Oil Recovery of Reservoirs","authors":"A. A. Chernova, A. A. Afanasyev","doi":"10.1134/S0015462823601031","DOIUrl":null,"url":null,"abstract":"<p>The problem of optimizing water and gas injection to displace heavier oil components used in fuel production is solved. Several initial oil compositions in the reservoir and various mixtures of injected substances are considered. Numerical optimization is automated in such a way that for a fixed amount of injected pore volumes, the composition of the injected mixture is automatically changed and the most favorable composition is selected, which increases the oil-recovery factor. It is shown that for various initial oil compositions, the displacement efficiency, depending on the amount of injected pore volumes of more valuable components, qualitatively coincides. In this regard, optimization of the injection of a mixture consisting of four components is studied for one of the initial compositions. The processes occurring during injection of the optimal composition are calculated on a finer grid.</p>","PeriodicalId":560,"journal":{"name":"Fluid Dynamics","volume":"58 4","pages":"723 - 730"},"PeriodicalIF":1.0000,"publicationDate":"2023-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fluid Dynamics","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0015462823601031","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MECHANICS","Score":null,"Total":0}
引用次数: 0
Abstract
The problem of optimizing water and gas injection to displace heavier oil components used in fuel production is solved. Several initial oil compositions in the reservoir and various mixtures of injected substances are considered. Numerical optimization is automated in such a way that for a fixed amount of injected pore volumes, the composition of the injected mixture is automatically changed and the most favorable composition is selected, which increases the oil-recovery factor. It is shown that for various initial oil compositions, the displacement efficiency, depending on the amount of injected pore volumes of more valuable components, qualitatively coincides. In this regard, optimization of the injection of a mixture consisting of four components is studied for one of the initial compositions. The processes occurring during injection of the optimal composition are calculated on a finer grid.
期刊介绍：
Fluid Dynamics is an international peer reviewed journal that publishes theoretical, computational, and experimental research on aeromechanics, hydrodynamics, plasma dynamics, underground hydrodynamics, and biomechanics of continuous media. Special attention is given to new trends developing at the leading edge of science, such as theory and application of multi-phase flows, chemically reactive flows, liquid and gas flows in electromagnetic fields, new hydrodynamical methods of increasing oil output, new approaches to the description of turbulent flows, etc.
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