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Working parameter configuration method and device for gas injection equipment

A technology of working parameters and parameters, which is applied in the fields of earthwork drilling, design optimization/simulation, electrical digital data processing, etc., and can solve the problems of complex implementation process and inability to configure gas injection equipment.

Active Publication Date: 2020-08-21
PETROCHINA CO LTD
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  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a working parameter configuration method and device of gas injection equipment, which can solve the problem that the commonly used working parameter configuration method of gas injection equipment needs to use the gas injection compressor and related supporting equipment for testing, and the implementation process is relatively Complicated, the problem of not being able to quickly configure the working parameters of the gas injection equipment

Method used

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  • Working parameter configuration method and device for gas injection equipment
  • Working parameter configuration method and device for gas injection equipment
  • Working parameter configuration method and device for gas injection equipment

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Embodiment Construction

[0102] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0103] figure 1 It is a flow chart of a method for configuring working parameters of an infusion device provided by an embodiment of the present invention. The method may be applied to computer equipment, the method comprising:

[0104] 101. Based on the basic reservoir parameters, injection gas parameters, key design parameters of gas injection, gas phase viscosity calculation model and bottom hole flow pressure calculation model of the oil well, the target bottom hole flow pressure is obtained.

[0105] Among them, the basic reservoir parameters include formation temperature, oil layer depth, oil layer thickness and permeability, and the injected gas parameters include gas relative density, average gas compressibility factor, gas av...

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Abstract

The invention discloses a working parameter configuration method and device for gas injection equipment, and belongs to the technical field of gas drive oil extraction. The method comprises the steps:acquiring target bottom hole flowing pressure based on various parameters of an oil well and a bottom hole flowing pressure calculation model; on this basis, based on a pressure difference calculation model of each wellbore section, obtaining the lower end pressure of each wellbore section in sequence, and finally obtaining the wellhead gas injection pressure of the oil well; based on the wellhead gas injection pressure, configuring working parameters of gas injection equipment; and injecting gas into the oil well. In the process, wellhead gas injection pressure is obtained based on preset bottom hole flow pressure and various parameters of an oil well. The method is simple, rapid and convenient, avoids the use of a gas injection compressor and related corollary equipment for testing, also avoids a complex implementation process, can quickly configure the working parameters of the gas injection equipment, improves the efficiency of the gas injection process, and also reduces the costof the gas injection process.

Description

technical field [0001] The invention relates to the technical field of gas flooding and oil production, in particular to a method and a device for configuring working parameters of gas injection equipment. Background technique [0002] Gas flooding oil recovery method is an oil recovery method commonly used in deep and low permeability reservoirs. In the process of using gas flooding method for oil recovery, it is necessary to configure the working parameters of the gas injection equipment so that the gas injection equipment can operate at a certain wellhead. The gas injection pressure injects gas into the oil well, so that the pressure of the oil reservoir reaches the production requirements for oil production. [0003] At present, the commonly used working parameter configuration method of gas injection equipment is to use the ground compressor for test injection to obtain the wellhead gas injection pressure and bottom hole gas injection pressure under different injection ...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F119/14E21B43/16
CPCE21B43/168
Inventor 程海鹰李辉陈瑜芳章杨张祝新张传干张杰蔡明俊
Owner PETROCHINA CO LTD
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