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Method and device for determining shale adsorption gas output proportion, storage medium and equipment

A determination method, a technology for adsorbing gas, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve the effect of broad application prospects, practicability and operability

Active Publication Date: 2021-06-22
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Description
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Problems solved by technology

[0005] In view of the above prominent problems, the present invention provides a method, device, storage medium and equipment for determining the output ratio of shale adsorbed gas. This method can quickly determine the output ratio of adsorbed gas on any production date, effectively making up for the current shale The problem that the output of adsorbed gas cannot be directly measured

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  • Method and device for determining shale adsorption gas output proportion, storage medium and equipment
  • Method and device for determining shale adsorption gas output proportion, storage medium and equipment

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention are clearly and completely described below. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without making creative efforts belong to the protection scope of the present invention.

[0048] Based on the determination of basic geological parameters, isothermal adsorption parameters and production data of shale gas wells, the present invention can conveniently and quickly predict the output ratio and cumulative contribution rate of adsorbed gas in any production period of shale gas wells, thereby quantifying the shale gas wells The composition of production and its changing law are of great significance for accurately understanding the development law of sh...

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Abstract

The invention relates to a shale adsorption gas output proportion determination method and device, a storage medium and equipment. The method comprises the following steps: a, acquiring basic parameters of a shale gas well; b, calculating the gas content of original free gas, the gas content of original adsorption gas and the total gas content based on the basic parameters in the step a; c, acquiring daily production data of the shale gas well in the step a; d, determining an adsorption gas output proportion based on the daily production data in the step c and the original free gas content, the original adsorption gas content and the total gas content in the step b; e, based on the adsorption gas output proportion in the step d, determining the adsorption gas accumulation contribution rate of any production date. According to the method, the adsorption gas output proportion of any production date can be rapidly determined, and the problem that the shale adsorption gas output cannot be directly metered at present is effectively solved.

Description

technical field [0001] The present invention relates to a method, device, storage medium and equipment for determining the output ratio of shale adsorbed gas, especially a method, device, storage medium and equipment for determining the output ratio of shale adsorbed gas based on production data, belonging to Shale gas development technology field. Background technique [0002] Shale gas is an unconventional natural gas resource with great potential and has good prospects for exploration and development. The global shale gas resources are 456×10 12 m 3 , which is basically equivalent to the sum of coalbed methane and tight sandstone gas resources. There are significant differences in the characteristics of shale gas reservoirs and conventional gas reservoirs. Shale gas is mainly produced in shale reservoirs rich in organic matter, and its main component is methane. During the accumulation process, the migration distance is very short or no migration, which belongs to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06Q50/02
CPCG06F16/2465G06F16/2477G06Q50/02Y02P90/30
Inventor 代金友王洋
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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