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Method for simulation analysis of oil field blocks in petroleum field

A technology of analog analysis and blocks, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve accurate analysis results, simple analysis steps, and the effect of analysis and correction costs

Inactive Publication Date: 2013-03-27
蔡雨江
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  • Description
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  • Application Information

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Problems solved by technology

So far, the research on oil field casing failure basically stays on the knowledge analysis or numerical analysis of a single casing failure form. Research on Efficient and Rapid Expert System for Unified Analysis and Processing

Method used

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Embodiment

[0028] The present invention relates to a kind of oil field block simulation analysis method in petroleum field, comprises the following steps:

[0029] (a) First, the basic overview of the simulated block;

[0030] (b) Then, the selection of the physical model;

[0031] (c) Next, calculate the mechanical parameters;

[0032] (d) Finally, calculation results and analysis.

[0033] The specific steps of the step (a) are: according to the established fluid-solid coupling finite element calculation model, the simulation calculation is carried out by using FEPG software.

[0034] Described step (b) comprises the following steps:

[0035] (b1) The well group is taken as the basic calculation object, and the wells outside the well group are treated as boundary conditions;

[0036] (b2) The selected block is large enough. Compared with the calculation accuracy of the well group, there is no lateral displacement on the block boundary;

[0037] (b3) Only large layers are counted, ...

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Abstract

The invention discloses a method for the simulation analysis of oil field blocks in the petroleum field. The method comprises the steps: (a) at first, simulating the basic overview of blocks; (b) then, selecting physical models; (c) computing mechanical parameters; and (d) finally, calculating a result and analyzing. The method can quickly complete the simulation analysis of the oil field blocks in the petroleum field, has an accurate analytical result, is simple in analytical step and the analytical correction cost is greatly reduced.

Description

technical field [0001] The invention relates to an oil field block simulation analysis method in the petroleum field. Background technique [0002] In the field of petroleum engineering, casing failure in oil fields is usually referred to as casing damage and casing deformation, referred to as "casing damage and casing deformation" for short. Casing failure refers to the general term for deformation, rupture, dislocation and other damage forms of casing caused by engineering, geological, production dynamic changes and other factors in the process of oil field production when the load on the casing exceeds the bearing capacity of the casing. During the development of oil and gas fields, especially in the middle and late stages of oil and gas field development, the failure of casing is a chronic disease that plagues the development of the petroleum industry in my country and even the whole world. It is also one of the key problems affecting the development of the petroleum in...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 蔡雨江
Owner 蔡雨江
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