Boundary Processing Method and Device for Reservoir Numerical Simulation
A technology for reservoir simulation and interface processing, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as a single model, achieve the effects of improving efficiency, increasing scalability, and eliminating discontinuity
Inactive Publication Date: 2017-11-14
CHINA UNIV OF GEOSCIENCES (BEIJING)
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[0009] However, whether it is the next-generation Intersect of Schlumberger's flagship product Eclipse simulator series, or the new generation of reservoir numerical simulator Nexus of Landmark, although the conventional three-phase (oil, gas, water) fluid flow is extended to four Phases (solid phases) can only be simulated for the same type of reservoirs, such as black oil, components, etc. Although the reservoir can also be decomposed into regions, it is only for the same type of reservoirs, and the boundaries of the regions are basically Continuous, no special treatment required
[0010] To sum up, the existing reservoir simulation technology is based on a single model, but this application is based on the mixed simulation of black oil and component reservoirs, especially, it is necessary to give the treatment at the boundaries of different regions solution, so there is still room for improvement in the existing technology
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[0025] Hereinafter, the method and system for rapid software configuration provided by the present invention will be described in detail through implementation with reference to the accompanying drawings.
[0026] Those skilled in the art know that various aspects of the present invention can be embodied as a system, method or computer program product. Accordingly, aspects of the present invention may be embodied in the form of entirely hardware, entirely software (including firmware, resident software, microcode, etc.), or as generally referred to herein as "circuits," "modules," ” or the combination of the software and hardware portions of the “system”. Furthermore, aspects of the present invention may take the form of a computer program product embodied in one or more computer-readable media having computer-usable program code embodied thereon.
[0027] Any combination of one or more computer readable medium(s) may be utilized. The computer readable medium may be a comput...
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The present invention relates to a reservoir simulation method, the method comprising: a region division device, used to divide the reservoir into a plurality of regions, the plurality of regions at least including a component region and a black oil region; a region division device, using Each region is meshed and an interface is formed between the regions; the mapping device is used to map the component region and the black oil region to the intermediate substance to establish a relationship; the interface processing device uses Perform interface processing on the interface according to the law of conservation of matter; the matrix construction device constructs a unified matrix according to the mapping results of the multiple regions and the interface processing results; the matrix solving device is used to solve the unified matrix . The method of the present application can provide real-time exchange of data between different blocks during simulation, eliminate the discontinuity of fluid between regions, improve the efficiency of simulation, and increase the scalability of future simulators.
Description
technical field [0001] The present invention relates to a black oil and component integrated reservoir numerical simulation technology, more specifically, the present invention relates to a method and device for boundary processing in integrated reservoir simulation. Background technique [0002] The application of reservoir numerical simulation technology in the petroleum industry originated in the 1930s, and its basic theory is based on Darcy's law of seepage. With the rapid development of computer technology in recent years, although the existing commercial reservoir numerical simulation technology has made great progress in terms of functional matching and integration, it is still difficult to comprehensively describe the flow phenomenon of multiphase fluids, and to analyze the oil and gas flow from underground to surface. On the quantitative model of the production process, the simplified modeling concepts and customized methods of "black oil", "components" and "thermal...
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IPC IPC(8): G06F17/50
Inventor 李治平吴俊鹏赖枫鹏王玉枫温靖刘威
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)