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Oil deposit black oil model numerical simulation system

A numerical simulation and reservoir technology, applied in the fields of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as restricting the overall strategic deployment of Sinopec, hindering the development and large-scale application of reservoir numerical simulation technology, etc. Operation speed and parallel efficiency, the effect of improving operation speed and simulation capability

Inactive Publication Date: 2010-03-03
中国石化股份胜利油田分公司地质科学研究院
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Problems solved by technology

These limitations have hindered the development and large-scale application of reservoir numerical simulation technology, and have restricted Sinopec's overall strategic deployment for participating in international competition

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  • Oil deposit black oil model numerical simulation system
  • Oil deposit black oil model numerical simulation system
  • Oil deposit black oil model numerical simulation system

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Embodiment Construction

[0033] 1. Regional decomposition

[0034] In the regional decomposition, it is necessary to divide the data of the entire oilfield simulation area according to a certain distribution method, and each sub-process calculates each small area divided, and if the calculated areas of each sub-process overlap, it is called Overlapping area decomposition method. Two key technologies are mainly used:

[0035] (1) Overlapping spatial sub-region division scheme

[0036] Considering the existence of water injection wells and production wells in the development of oil and gas fields, in order to reduce the complexity of the discretization of the three-dimensional seepage equation, the regional division scheme uses two-dimensional division on the X-Y plane, and no discrete division is made in the depth direction. Considering the load balance after regional decomposition, while providing sufficient scalability for the subsequent overlapping grid strategy, an overlapping spatial sub-region ...

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Abstract

The invention relates to an oil deposit black oil model numerical simulation system and belongs to the technical field of petroleum extraction. The structure of the system comprises a pretreatment subsystem, serial and parallel simulators and a post-treatment subsystem. Firstly, according to the geological data, production dynamic data, fluid property data and rock seepage property data of the oil deposit, a geological model, a dynamic model, a fluid module and a rock seepage model are established by using the pretreatment subsystem of the system so as to further form a numerical simulation model; secondly, the high-efficiency parallel of the system is used to perform simulation calculation to realize an oil-field development process to obtain models of the deposit at different time; thirdly, the post-treatment module of the system is used to analyze the result of the simulation calculation and the distribution of residual oil in a visual mode and an adjustment scheme for further development of the oil deposit is optimally designed; and finally, an optimal scheme under a current condition is submitted to be implemented on site.

Description

(1) Technical field [0001] The invention relates to a numerical simulation system for a black oil model of a reservoir applied in the field of petroleum exploitation, which can improve the operation speed and parallel efficiency of numerical simulation of the reservoir. (2) Background technology [0002] Oilfield development is a hidden technical project with high input, high output, high risk and irreversibility. Scientific decision-making is particularly important. Reservoir numerical simulation is the main method for digitizing reservoirs, finding remaining oil, and optimizing development plans. Technical means play an extremely important role in oilfield development. In recent years, with the deepening of oilfield development, most old oilfields have entered the period of high water cut and extremely high water cut, and the distribution of remaining oil has become increasingly scattered and complex. Interlayer, interlayer and intralayer, this requires the development of...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 杨耀忠戴涛孙业恒吕广忠马泮光周涌沂侯树杰秦学杰张世明陈苏于金彪史敬华魏恩芳韩子臣宋道万
Owner 中国石化股份胜利油田分公司地质科学研究院
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