Natural gas hydrate synthesis and decomposition multi-parameter test device

A testing device and natural gas technology, which is applied in measurement devices, analytical materials, permeability/surface area analysis, etc., can solve the problems of inability to test the acoustic and electrical properties of natural gas hydrates, and the lack of comprehensiveness of natural gas hydrate experimental devices.

Active Publication Date: 2016-01-20
SOUTHWEST PETROLEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the device cannot test the acoustic and electrical properties of gas hydrates
[0006] To sum up, the comprehensiveness of the published natural gas hydrate experimental devices is not strong enough, and there are many test inconveniences

Method used

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  • Natural gas hydrate synthesis and decomposition multi-parameter test device
  • Natural gas hydrate synthesis and decomposition multi-parameter test device
  • Natural gas hydrate synthesis and decomposition multi-parameter test device

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Embodiment 1

[0034] Such as figure 1 As shown, this embodiment is a multi-parameter test device for the synthesis and decomposition of natural gas hydrate, which consists of four parts: a high-pressure reaction system, a low-temperature cooling system, a parameter test system and a data acquisition system. The high-pressure reaction system includes a reaction holder, a vacuum system, a natural gas supply system, a brine supply system, a visualization system, and an inlet and outlet metering chamber; the low-temperature cooling system consists of a low-temperature water bath and a core refrigeration system installed on a special holder; The parameter test system consists of radial deformation measurement system, axial deformation measurement system, resistance measurement system, ultrasonic measurement system, temperature detection system, water phase measurement device, gas phase measurement device and total gas volume measurement device, which can measure hydrate temperature, thermal Cond...

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Abstract

The invention relates to a natural gas hydrate synthesis and decomposition multi-parameter test device which comprises a high-pressure reaction system, a low-temperature cooling system, a parameter test system and a data acquisition system, wherein the high-pressure reaction system comprises a reaction clamp, a vacuumizing system, a natural gas supply system, a saline water supply system, a visualization system and an inlet/outlet metering chamber. The natural gas hydrate synthesis and decomposition multi-parameter test device can both simulate synthesis and decomposition of a natural gas hydrate and test various parameters of the natural gas hydrate, such as the sound wave, the resistance, the mechanics, the synthesis speed, the decomposition gas amount, the porosity, the permeability and the heat conductivity; the mechanics parameters not only comprise a dynamic Young modulus and a poisson ratio which are calculated according to a sound wave test value, but also comprise a static value and the compression strength of the hydrate. The device can also be used for achieving visualization and quick coring functions.

Description

technical field [0001] The invention relates to industrial testing equipment, in particular to a natural gas hydrate synthesis and decomposition multi-parameter testing device. Background technique [0002] As a potential high-quality and clean energy, natural gas hydrate has large reserves and wide distribution around the world. It has attracted increasing attention from governments and researchers in various countries, and has become a research hotspot in the field of energy and resources. [0003] Natural gas hydrate, also known as clathrate, is an ice-like, non-chemical compound composed of water and natural gas under certain conditions (suitable temperature, pressure, gas saturation, water salinity, pH value, etc.). Metered, clathrate crystalline compounds that burn when exposed to fire, also known as "flammable ice" or "combustible ice". Hydrate deposits refer to clay, sand, mixed soil and other soil sediments containing hydrates, and their mechanical properties are i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/00G01N15/08G01N25/20G01N21/84G01N27/04G01N29/04G01B21/32
Inventor 陈一健郭平赵军张伦平许秀彬
Owner SOUTHWEST PETROLEUM UNIV
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