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Coalbed methane liquid-phase absorption experimental system and method

An experimental system and liquid-phase adsorption technology, applied in the field of experimental equipment for oil and natural gas exploitation, can solve the problems of staying, no scholars, and no experiments to verify the theory of CBM-liquid-phase adsorption or test the adsorption capacity of CBM-liquid-phase, etc. Good conditions, accurate experimental test results, scientific effect of experimental verification process

Inactive Publication Date: 2017-06-30
SOUTHWEST PETROLEUM UNIV
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  • Application Information

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Problems solved by technology

However, the research on the liquid phase adsorption of coalbed methane is still in theoretical research, no scholars have conducted experimental research, and no experiment can verify the liquid phase adsorption theory of coalbed methane or test the liquid phase adsorption capacity of coalbed methane

Method used

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  • Coalbed methane liquid-phase absorption experimental system and method
  • Coalbed methane liquid-phase absorption experimental system and method
  • Coalbed methane liquid-phase absorption experimental system and method

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, the experimental system for coalbed gas liquid phase adsorption disclosed by the present invention includes a heating box 1, an adsorption cabin 2 and a pressure detection device 3 for detecting the pressure of the adsorption cabin 2. The adsorption cabin 2 is placed in the heating box 1, and the adsorption cabin 2 is provided with a temperature sensor 7, an air inlet pipe 5 and a water pipe 6 are arranged on the adsorption chamber 2, a first valve 11 is arranged on the water pipe 6, the inner port of the water pipe 6 is located at the upper part of the adsorption chamber 2, and the air inlet pipe 5 is provided with There is a flow detection device 4 and a second valve 12 . The water pipe 6 and the air inlet pipe 5 are all arrang...

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Abstract

The invention relates to a coalbed methane liquid-phase absorption experimental system and method. The coalbed methane liquid-phase absorption experimental system comprises a heating tank, an absorbing cabin, a methane supply system and a pressure detecting device for detecting pressure of the absorbing cabin, wherein the absorbing cabin is arranged inside the heating tank; a temperature sensor is arranged inside the absorbing cabin; the absorbing cabin is provided with a gas inlet pipe and a water pipe, the water pipe is provided with a first valve, the internal port of the water pipe is formed in the upper portion of the absorbing cabin, and the gas inlet pipe is provided with a flow metering device and a second valve. The coalbed methane liquid-phase absorption experimental method comprises the processes of coal sample pretreatment, absorbing cabin fluid loading, coalbed methane solution and absorption and liquid-phase absorption volume computation. According to the absorption characteristics of coalbed methane, the coalbed methane liquid-phase absorption experimental system and method validates a liquid-phase absorption model and tests the liquid-phase absorption volume of coalbed gas for the first time, and accordingly is scientific in validation process and accurate in experiment testing results and creates good conditions for effective development of coalbed methane.

Description

technical field [0001] The invention relates to the technical field of experimental equipment for oil and natural gas exploitation, in particular to an experimental system and method for coalbed gas liquid phase adsorption. Background technique [0002] Due to the huge geological reserves, the effective development of coalbed methane can improve my country's energy structure and supplement the shortage of conventional natural gas in my country's geographical distribution and supply. Coalbed methane is a typical unconventional natural gas that accumulates by adsorption, and more than 90% of coalbed methane mainly occurs in coalbeds in an adsorbed state. Therefore, the adsorption-desorption mechanism of coalbed methane is the core of coalbed methane development design. At present, scholars at home and abroad have done a lot of work on the controlling factors of the occurrence state and adsorption mechanism of coalbed methane, gas phase adsorption experiments, and equilibrium ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/22
CPCG01N33/225
Inventor 朱苏阳李传亮杜志敏彭小龙吴建光孙晗森王超文邓鹏李扬
Owner SOUTHWEST PETROLEUM UNIV
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