Equipment for detecting seafloor natural gas hydrate exploitation gas delivery pipeline leakage

A technology for transporting pipelines and hydrates, applied in construction and other directions, can solve problems such as difficult to calculate the precise location of pipeline leakage

Active Publication Date: 2019-12-10
GUANGZHOU MARINE GEOLOGICAL SURVEY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The system disclosed in this patent calculates the leakage position of the pipeline through the data. However, the seabed is complex, the undercurrent is surging, and the ecological circ

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  • Equipment for detecting seafloor natural gas hydrate exploitation gas delivery pipeline leakage
  • Equipment for detecting seafloor natural gas hydrate exploitation gas delivery pipeline leakage
  • Equipment for detecting seafloor natural gas hydrate exploitation gas delivery pipeline leakage

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Embodiment Construction

[0037] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0038] Wherein, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.

[0039] In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; , "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional re...

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Abstract

The invention relates to the technical field of gas leakage monitoring, in particular to equipment for detecting the seafloor natural gas hydrate exploitation gas delivery pipeline leakage. The equipment for detecting the seafloor natural gas hydrate exploitation gas delivery pipeline leakage comprises a seafloor track, a deep diving robot and an underwater acoustic positioning system, wherein theseafloor track is fixedly arranged on a seafloor gas delivery pipeline and extends along the seafloor gas delivery pipeline; multiple electric supply stations are distributed by the side of the seafloor track at equal intervals; an electric supply unit, a guiding module, an obstacle detection module, an obstacle removal module, a pushing module, a control module and a methane sensor are arrangedon the deep diving robot; and the guiding module, the obstacle detection module, the obstacle removal module, the pushing module, the control module and the methane sensor are electrically connected with the electric supply unit. According to the equipment, the leakage position of the seafloor gas delivery pipeline can be directly positioned, and image data of the pipeline damage situation can beprovided for working personnel.

Description

technical field [0001] The invention relates to the technical field of gas leakage monitoring, in particular to a device for detecting leakage of a gas transmission pipeline for exploitation of seabed natural gas hydrate. Background technique [0002] With the continuous increase of submarine pipelines, submarine pipelines have gradually become the lifeline of offshore oil and gas. Due to the complex submarine environment, submarine pipelines are prone to aging and corrosion, resulting in leakage of submarine pipelines. On the one hand, leakage of submarine pipelines will pollute the environment, on the other hand, it will cause economic losses, and more seriously, it will cause casualties. Therefore, the monitoring of submarine pipeline leakage has become an increasingly urgent technical problem to be solved. [0003] There are many researches on land pipeline leakage monitoring technology in China, the main methods are negative pressure wave method and acoustic wave metho...

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Application Information

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IPC IPC(8): E21B47/107
Inventor 程思海邓义楠曹珺刘纪勇冯强强李勇航
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY
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