Dynamic Analysis Method for Numerical Simulation of Oil and Gas Reservoir Development Well Groups
A numerical simulation and analysis method technology, applied in data processing applications, electrical digital data processing, special data processing applications, etc., can solve the problems of increased manpower, time and computer resources, inconvenient monitoring and analysis, etc., and achieve numerical simulation of oil reservoirs Precise method, concise method, reasonable conception effect
Inactive Publication Date: 2019-07-05
BEIJING KAIBORUI PETROLEUM TECH CO LTD
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Problems solved by technology
It is precisely because of the large increase in the scale of reservoir numerical simulation that the manpower, time and computer resources required for reservoir numerical simulation research are greatly increased, which is not convenient for field engineers to monitor and analyze the development dynamics of oil and gas fields. Make timely adjustments
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[0038] The numerical simulation dynamic analysis method of the oil and gas reservoir development well group of the present invention is a dynamic analysis method of an approximate numerical method, which can solve the problems caused by the common oil reservoir engineering analysis method and the empirical formula analysis method due to the use of the average data of the entire oil field. The dynamic analysis and prediction often contradicts the actual dynamic reflection; it can also solve the problem that the dynamic analysis and prediction results made by ordinary reservoir engineering analysis methods and empirical formula analysis methods are too general, and the manpower, resource and The contradiction between time and cost is too high.
[0039] Such as figure 1 As shown, the numerical simulation dynamic analysis method of the oil and gas reservoir development well group of the present invention specifically comprises the following steps:
[0040] S010. Pore volume descr...
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The invention relates to an oil and gas reservoir development unit and well group numerical simulation dynamic analysis method. The method includes the steps of analyzing the injection and production relation and the production state in a development unit, putting forward a reasonable adjustment potential tapping measure, obtaining a sweep triangle followed by an oil reservoir production degree and volume sweep efficiency relation curve from a matter balance equation, making the oil reservoir production degree and volume sweep efficiency relation curve fall into the sweep triangle when matter balance of an oil reservoir is kept, and judging the oil reservoir dynamic state from the form and tendency change of the curve. Meanwhile, in order to further learn the detailed dynamic situation between wells in the oil reservoir, the oil reservoir needs to be subdivided into subunits; a virtual boundary is drawn for a well group unit, and the problem that a non-flow boundary is troublesome to process is ingeniously solved by adjusting parameters in the dynamic analysis process. A numerical result can be given by conducting dynamic monitoring and dynamic analysis and prediction on the oil field production, and the oil reservoir dynamic situation can be simply and clearly reflected.
Description
technical field [0001] The invention relates to the technical field of oil reservoir engineering, in particular to a numerical simulation dynamic analysis method for oil and gas reservoir development well groups. Background technique [0002] After the development policy of a certain oilfield is formulated, how to formulate a complete development plan around this policy according to the development principle is an important issue faced by reservoir engineers. Undoubtedly, the reservoir engineering approach is one of the best ways to solve this problem. Different development periods of oilfields require different schemes. Reservoir engineering methods can not only grasp the established development policy as a whole, but also customize the development scheme very conveniently. However, for mid- and late-stage adjustment programs and enhanced oil recovery program formulation, it is necessary to study the smaller areas inside the reservoir and between wells in more detail. At t...
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IPC IPC(8): G06F17/50G06Q50/06
CPCG06F30/20G06Q50/06
Inventor 谢耀荣
Owner BEIJING KAIBORUI PETROLEUM TECH CO LTD