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Method, device and equipment for calculation of crude oil compression coefficient and readable storage medium

A technology of compressibility and calculation method, applied in the field of petroleum exploration, can solve the problems of inaccurate crude oil compressibility and the influence of pressure crude oil compressibility, etc., to achieve the effect of improving accuracy

Pending Publication Date: 2020-02-18
PETROCHINA CO LTD
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Problems solved by technology

[0007] The present invention provides a calculation method, device, equipment and readable storage medium for the compression coefficient of crude oil, which is used to solve the problem that the existing calculation method of the compression coefficient of crude oil only considers the factor of gas-oil ratio, but does not consider the influence of pressure on the compression coefficient of crude oil , resulting in inaccurate technical problems of crude oil compressibility

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  • Method, device and equipment for calculation of crude oil compression coefficient and readable storage medium
  • Method, device and equipment for calculation of crude oil compression coefficient and readable storage medium
  • Method, device and equipment for calculation of crude oil compression coefficient and readable storage medium

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. All other embodiments obtained based on the embodiments of the present invention belong to the protection scope of the present invention.

[0030] Crude oil compressibility is the volume change rate of unit volume of formation crude oil when the pressure changes by 101325P (one atmosphere). Crude oil compressibility, like bubble point pressure, crude oil volume coefficient and density, is one of the important physical properties of crude oil. The oil field reserves can be calculated by using the formation crude oil compressibility coefficient, which c...

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Abstract

The invention provides a method, device and equipment for calculation of the crude oil compression coefficient and a readable storage medium. The method comprises the steps of obtaining compression coefficient calculation parameters which comprise a production gas-oil ratio and current formation pressure; calculating the crude oil compression coefficient according to the compression coefficient calculation parameters and a preset compression coefficient calculation formula. Therefore, crude oil compression coefficients under different gas-oil ratios and different formation pressure can be accurately obtained, and the calculation accuracy of the reserve of an oil field is improved.

Description

technical field [0001] The invention relates to the field of petroleum exploration, in particular to a method, device, equipment and readable storage medium for calculating the compression coefficient of crude oil. Background technique [0002] Crude oil compressibility is the volume change rate of unit volume of formation crude oil when the pressure changes by 101325P (one atmosphere). Crude oil compressibility, like bubble point pressure, crude oil volume coefficient and density, is one of the important physical properties of crude oil. The oil field reserves can be calculated by using the formation crude oil compressibility coefficient, which can provide necessary information for formulating development plans and carrying out reservoir numerical simulation. basic data. [0003] In the prior art, a method for calculating the compressibility coefficient of crude oil is proposed, which realizes the calculation of the compressibility coefficient of crude oil through formula ...

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Application Information

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IPC IPC(8): E21B47/00E21B47/06E21B47/26
CPCE21B47/00E21B47/06Y02P90/30
Inventor 杨文明苏东坡陈利新陈方方尹国庆韩兴杰张敏牛阁
Owner PETROCHINA CO LTD