Gas molecular motion test system

A technology for testing systems and gas molecules, which is applied in measurement devices, analytical materials, diffusion analysis, etc., can solve problems such as the inability to effectively reflect the motion law of shale gas and the long test period, shorten the test period, reduce manual operation errors, The effect of high degree of automation control

Inactive Publication Date: 2018-12-25
PETROCHINA CO LTD +1
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Problems solved by technology

[0007] In view of this, the embodiment of the present invention provides a gas molecular motion testing system for testing the movement law of shale gas passing through microscopic pores under high temperature and high pressure, s...

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Embodiment Construction

[0040]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] Shale gas is a clean and efficient energy resource and chemical raw material. When shale gas is exploited, the transport and diffusion capacity of shale gas directly affects the production of gas wells. Accurately grasp the formation conditions of shale gas molecules in microscopic pores. The movement law and influencing factors in the shale gas well are essential technologies for shale gas well productivity prediction, decline law analysis, and developme...

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Abstract

The invention provides a gas molecular motion test system, comprising: two gas sources, a gas booster, a gas diffusion device, a detection device and an evacuating device, wherein a molecular membraneholder in the gas diffusion device comprises a holder body and a molecular membrane clamp; the molecular membrane clamp is used to clamp the molecular membrane and is fixed in the inner space of theholder body to divide the internal space of the holder body into two diffusion chambers, two gases with the same pressure are respectively charged in the two diffusion chambers, the gas in any one diffusion chamber is diffused through the molecular membrane to the other diffusion chamber, and then component and concentration analysis of the sample gas collected from the diffusion chambers is performed by the detection device to test the law of movement of shale gas passing through microscopic pores. The gas molecular motion test system utilizes a molecular membrane as a test medium to simulatemicroscopic pores of different scales, which effectively shortens the test period.

Description

technical field [0001] The invention relates to the field of shale gas development, in particular to a gas molecule motion testing system for testing the movement law of shale gas passing through microscopic pores under high temperature and high pressure. Background technique [0002] Shale gas is a natural gas resource buried deep underground and stored in the nanoscale pores of shale. my country has abundant reserves, and its development and utilization has been determined as a national energy development strategy. Shale gas specifically refers to unconventional natural gas that occurs in organic-rich mud shale and its interlayers, mainly in the form of adsorption and free, and is mainly composed of methane. It is a clean and efficient energy resource and chemical industry. As raw materials, the recoverable reserves of shale gas are relatively large, and the exploitation prospect is broad. With the rapid economic development, there is a shortage of natural gas clean energ...

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Application Information

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IPC IPC(8): G01N13/00G01N13/04
CPCG01N13/00G01N13/04G01N2013/003
Inventor 孙敬刘德华程亮
Owner PETROCHINA CO LTD
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