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METHOD, APPARATUS AND SYSTEM FOR RESERVOIR SIMULATION USING A MULTI-SCALE FINITE VOLUME METHOD INCLUDING BLACK OIL MODELING
METHOD, APPARATUS AND SYSTEM FOR RESERVOIR SIMULATION USING A MULTI-SCALE FINITE VOLUME METHOD INCLUDING BLACK OIL MODELING
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机译:包含黑油建模的多尺度有限体积方法进行油藏模拟的方法,装置和系统
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摘要
A multi-scale finite-volume (MSFV) method simulates nonlinear immiscible three-phase compressible flow in the presence of gravity and capillary forces. Consistent with the MSFV framework, flow and transport are treated separately and differently using a fully implicit sequential algorithm. The pressure field is solved using an operator splitting algorithm. The general solution of the pressure is decomposed into an elliptic part, a buoyancy/capillary force dominant part, and an inhomogeneous part with source/sink and accumulation. A MSFV method is used to compute the basis functions of the elliptic component, capturing long range interactions in the pressure field. Direct construction of the velocity field and solution of the transport problem on the primal coarse grid provides flexibility in accommodating physical mechanisms. A MSFV method computes an approximate pressure field, including a solution of a course-scale pressure equation; constructs fine-scale fluxes; and computes a phase-transport equation.
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