Abstract

This paper considers the theory, method, and application of a numerical simulation of an oil-gas basin. From geological science, geochemistry, permeation fluid mechanics, and computer technology, it puts forward the mechanical model, mathematical model, careful parallel upwind fractional steps implicit iterative finite difference scheme, parallel arithmetic program, parallel arithmetic information, and alternating direction mesh subdivision. Our work has realized a highly accurate numerical simulation in hundreds of meters with millions of nodes and during an extra long period of time. It has produced a first-at-home-and-abroad software system of resources evaluation and multilayer oil resources migration and accumulation. This system has successfully been applied in oil-gas resources evaluation in Jiyang Dongying Hollow, Huimin Hollow, Tanhai Region, and Yangxin Hollow, and has gotten good practical results. Thus, an important problem on oil resources is solved.

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