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Saw RK, Singh A, Maurya NK, Mandal A. A mechanistic study of low salinity water-based nanoparticle-polymer complex fluid for improved oil recovery in sandstone reservoirs. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Exact Solutions for Gravity-Segregated Flows in Porous Media. MATHEMATICS 2022. [DOI: 10.3390/math10142455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The review is devoted to exact analytical solutions for quasi-2D gravity segregated flows or gravity currents in subterranean porous formations. The problems under consideration are quasi-linear. The driving forces are two components of the buoyancy—one exerting the bulk of the light fluid and one due to the curvilinearity of the interface between the fluids. In the case of homogeneous formation or where the seal slope is negligible, the transport equation is parabolic and allows for a wide set of self-similar solutions. In a large-scale approximation of the buoyancy domination, the governing equation is hyperbolic; the method of characteristics allows for a detailed analytical description of gravity current propagation with final accumulation in the geological trap. Analytical models for leakage via the caprock seal are also discussed. The work was completed by formulating some unsolved problems in segregated flows in porous media.
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Yang Y, Cheng T, Liu H, You Z, Hou J. Oil Displacement Performance Using Bilayer-Coating Microspheres. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yulong Yang
- Unconventional Petroleum Research Institute, China University of Petroleum, Beijing, 102200, China
| | - Tingting Cheng
- Key Laboratory of Complex Oil & Gas Fields Exploration and Development, Chongqing University of Science & Technology, Chongqing 401331, China
| | - Han Liu
- Engineering & Design Institute of CPOE, Offshore Engineering Company Ltd., CNPC, Beijing 100028, China
| | - Zhenjiang You
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Jirui Hou
- Unconventional Petroleum Research Institute, China University of Petroleum, Beijing, 102200, China
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