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Monitoring system for land area natural gas hydrate exploitation

A monitoring system and natural gas technology, applied in the direction of buildings, etc., can solve the problems of environmental safety problem monitoring, no environmental monitoring system, etc., to achieve comprehensive functions, good application prospects and commercial value, and reduce environmental risks.

Inactive Publication Date: 2021-02-02
CHINA HUANENG GRP CO LTD +1
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Problems solved by technology

Although these six trial production projects have carried out certain monitoring work, they have not carried out comprehensive monitoring of the above-mentioned environmental safety issues of natural gas hydrate development, and have not yet formed a complete set of environmental monitoring that can be used for land area natural gas hydrate development. system

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  • Monitoring system for land area natural gas hydrate exploitation

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] A monitoring system for natural gas hydrate exploitation in the land area, including an atmospheric monitoring unit, a surface monitoring unit, and a reservoir monitoring unit, wherein: the methane sensor assembly 11 in the atmospheric monitoring unit is installed on the mounting bracket assembly 12, and passes through the first cable Component 13 is connected with atmospheric monitoring data collection component 14;

[0024] The surface monitoring unit includes a surface methane flux monitoring assembly, an inclinometer monitoring assembly 231, a GPS monitoring assembly and an InSar monitoring assembly 241, wherein the cover part 211 in the surface methane flux monitoring assembly passes through a hose part 212 and a flux meter part 213 connected, the flux of methane gas in the air can be detected; the inclinometer monitoring assembly 2...

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Abstract

The invention discloses a monitoring system for land area natural gas hydrate exploitation. The monitoring system comprises an atmosphere monitoring unit, an earth surface monitoring unit and a reservoir monitoring unit, namely an atmosphere-earth surface-reservoir 'three-in-one' environment monitoring system. The monitoring system is clear in structure, comprehensive in function and capable of realizing omnibearing monitoring of land area natural gas hydrate exploitation, a guarantee is provided for reducing the environmental risk of land area natural gas hydrate exploitation so as to achievesafe and efficient exploitation, and wide application prospects are achieved.

Description

technical field [0001] The invention belongs to the technical field of land natural gas hydrate development, in particular to a monitoring system for land natural gas hydrate exploitation. Background technique [0002] Natural gas hydrate is an ice-like solid compound with a cage structure formed by combining low-molecular-weight hydrocarbon gases such as methane, ethane, and propane with water under low-temperature and high-pressure conditions. It can be directly burned, commonly known as "combustible ice". [0003] Natural gas hydrates are mainly distributed in sea areas, but a small part is located in land permafrost. In my country, natural gas hydrates have been found in the tundra of the Qinghai-Tibet Plateau and the tundra of the Northeast. According to rough estimates, their resources are about 12.5×10 12 m 3 and 2.8×10 12 m 3 . It is estimated that the natural gas contained in natural gas hydrates in the world is about 3×10 16 m 3 ~3×10 17 m 3 , its thermal ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/001
CPCE21B47/001
Inventor 荆铁亚赵文韬张健王金意刘练波
Owner CHINA HUANENG GRP CO LTD
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