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Supergravity hydrate research experiment system and method

An experimental system, hydrate technology, applied in the field of hypergravity hydrate research experimental systems

Pending Publication Date: 2020-07-24
CHINA HUANENG GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

General experimental equipment and experimental methods in the current industry cannot meet the functional requirements of this part

Method used

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  • Supergravity hydrate research experiment system and method

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Embodiment Construction

[0032] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:

[0033] see figure 1, a high gravity hydrate research experimental system, comprising: a first gas cylinder 1, a second gas cylinder 2, a first valve 3, a second valve 4, a gas booster pump 5, an air compressor 6, and a first pressure gauge 7. The first safety valve 8, the third valve 9, the first buffer tank 10, the fourth valve 11, the second pressure gauge 12, the fifth valve 13, the first pressure regulating valve 14, the third pressure gauge 15, the first Check valve 16, first flow meter 17, reaction kettle 18, sixth valve 19, second buffer tank 20, fourth pressure gauge 21, seventh valve 22, eighth valve 23, second pressure regulating valve 24, first Five pressure gauges 25, second flowmeters 26, second one-way valves 27, first liquid reservoirs 28, first filters 29, first metering pumps 30, third one-way valves 31, preheaters 32, the first Nine ...

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Abstract

The invention discloses a supergravity hydrate research experiment system and method. Submarine hydrate reservoirs and upper and lower geological environments thereof can be simulated; the temperature-pressure environment, namely hydrate phase balance conditions, of a natural gas hydrate reservoir is changed through methods of pressure reduction, heat injection and the like of a mining well; solidhydrate is decomposed into natural gas and water in situ in the reservoir; then the natural gas is mined through the mining well; and therefore the influence rule of related factors on hydrate decomposition is studied.

Description

technical field [0001] The invention relates to the field of hydrate development, in particular to a high-gravity hydrate research experimental system and method. Background technique [0002] Deep-sea gas hydrate reservoirs exist in a certain high-pressure and low-temperature environment on the seabed, and are multi-phase, multi-component complex sediments composed of natural gas, water, gas hydrate, ice and sand. The special deep-sea high-pressure and low-temperature environment makes it extremely difficult to exploit deep-sea gas hydrates. The exploitation of natural gas hydrate mainly includes four basic physical processes of hydrate decomposition phase transition, multiphase seepage, heat and mass transfer and formation deformation. [0003] The phase change and decomposition of solid hydrate in a certain range around the production well produces natural gas and water, and then the gas phase, liquid phase and solid phase (hydrate, sediment) in the decomposition area se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/22
CPCG01N33/222
Inventor 张健王金意荆铁亚赵文韬张国祥
Owner CHINA HUANENG GRP CO LTD
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