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Nonconventional natural gas rock-gas-heat multi-process coupling test system

An unconventional natural gas and test system technology, applied in the field of unconventional natural gas rock-gas-heat multi-process coupling test system, can solve problems that cannot be fully considered, and achieve the effects of convenient upgrading, convenient operation, and improved data accuracy

Active Publication Date: 2017-06-13
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the functions of traditional permeation instruments cannot fully consider the impact of unconventional gas migration process and temperature on the reservoir matrix-fracture interaction

Method used

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  • Nonconventional natural gas rock-gas-heat multi-process coupling test system

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Embodiment Construction

[0028] The present invention will be further described below.

[0029] Such as figure 1 As shown, the present invention is made up of fluid control system, rock core adsorption / desorption and gas analysis system, vacuum system and hydraulic fracturing system, and fluid control system is respectively connected with rock core adsorption / desorption and gas analysis system, vacuum system and hydraulic pressure. The fracturing system is connected.

[0030]Further, the fluid control system specifically includes: the second gas cylinder 2 and the third gas cylinder 3 are connected to the booster pump 9 through the first valve 5 and the second valve 6 respectively; the first valve 5 and the second valve 6 The pipeline between the booster pump 9 is connected with a first pressure gauge 7 and a third valve 8; the pressure gauge 7 and the third valve 8 can monitor and control the mixed gas flow of the gas cylinder 2 and the gas cylinder 3 respectively; One end of the pressure pump 9 is...

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Abstract

The invention discloses a nonconventional natural gas rock-gas-heat multi-process coupling test system. The nonconventional natural gas rock-gas-heat multi-process coupling test system consists of a fluid control system, a rock core adsorbing / desorbing and gas analyzing system, a vacuum suction system and a hydraulic cracking system, wherein the fluid control system is respectively communicated with the rock core adsorbing / desorbing and gas analyzing system, the vacuum suction system and the hydraulic cracking system. The nonconventional natural gas rock-gas-heat multi-process coupling test system has the advantages that the multiple coupling process tests of coal rock permeation evolution under the real three-axis or false three-axis stress loading, temperature loading, and multi-component gas diffusion conditions are realized, the whole-process data, such as experiment temperature, component gas flow rate and adsorbing characteristic, are dynamically stored and processed through software, and the nonconventional gas-enriching reservoir forming, adsorbing and desorbing rule of rock at stratum temperature, pressure and fluid medium can be scientifically simulated; the scientific experiment support is provided for the extreme complicated deep resource exploitation.

Description

technical field [0001] The invention relates to a coupling test system for testing unconventional natural gas, in particular to a rock-gas-heat multi-process coupling test system for unconventional natural gas. Background technique [0002] As an efficient and clean energy, unconventional natural gas has gradually been paid more and more attention due to its huge resource potential and economic benefits. Unconventional natural gas usually includes tight sandstone gas, coalbed methane, shale gas, natural gas hydrate (combustible ice), etc., which have large reserves and are difficult to develop, and must rely on large-scale production increase measures or special development methods and advanced exploration and development technologies Natural gas reservoirs produced at economically valuable yields. [0003] Different from conventional reservoir gas pools, shale (or coal) is not only the source rock for natural gas generation, but also the reservoir and caprock for accumulat...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N33/24
CPCG01N15/08G01N15/0806G01N15/0826G01N33/24G01N2015/0866
Inventor 夏同强刘春朱双江常宏均
Owner CHINA UNIV OF MINING & TECH
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