An optical cable fixing device for cable laying with submarine accompanying pipe
A technology for fixing devices and optical cables, applied in the direction of optical fiber/cable installation, etc., can solve problems such as the lack of application of submarine pipelines, binding, and difficulties in optical cables, and achieve the effects of asset integrity and online monitoring
Active Publication Date: 2016-05-25
E TECH ENERGY TECH DEV CORP
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Problems solved by technology
[0005] At present, there have been application cases of using distributed optical fiber sensing technology to monitor the leakage of land pipelines, but this technology has not been applied to submarine pipelines, mainly because optical cables are difficult to Bind together in the same position, same direction and parallel with the pipeline
Method used
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[0023] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0024] see Figure 1-3 , an optical cable fixing device used for cable laying on the seabed, comprising a clamp 1, the clamp is composed of an annular band 11 and a fastener 12 for realizing the locking connection of the band. At least one optical cable positioning part 2 is fixedly installed on the outer ring surface of the hoop, and the optical cable positioning part and the hoop are fixedly connected by welding. It also includes an optical cable clip 3 that can be detachably connected to any optical cable positioning member through screws. An optical cable installation groove is arranged at the joint surface of the optical cable locating member and the optical cable clip.
[0025] In the above structure, a concave-convex positioning stru...
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The invention relates to an optical cable fixing device applied to submarine adjoining pipe cable laying. The optical cable fixing device is characterized by comprising a hook composed of a ring hoop belt and a fastener for realizing the locking and connection of the hoop belt, and at least one optical cable locating part is arranged fixedly on the outer ring face of the hoop belt. The optical cable fixing device also comprises an optical cable clamping part which can be connected with any optical cable locating part detachably, and an optical cable installation groove is arranged at the junction surface of the optical cable clamping part and the optical cable locating part. By adopting the optical cable fixing device, the hook is preset on a submarine pipeline in advance, so when the submarine pipeline gets to a preset laying position, an optical cable can be fixed in the optical cable installation groove between the optical cable clamping part and the optical cable locating part conveniently by virtue of the operation of a submariner, and the optical cable is bound at the submarine pipeline, so the whole line adjoining pipe cable laying is realized, the technical problem of on-line monitoring on the submarine pipeline in the whole process is finally solved, and on-line monitoring on asset integrity of the submarine oil and gas pipeline is realized.
Description
technical field [0001] The invention belongs to the field of safety monitoring of submarine oil and gas pipelines, and in particular relates to an optical cable fixing device used for cable laying with submarine pipelines. Background technique [0002] Submarine oil and gas pipeline is an important part of offshore oil and gas gathering, transportation and storage. It is an offshore oil facility with large investment and high risk. Safe production and operation. [0003] Due to the particularity of offshore oil and gas gathering and transportation, submarine oil and gas pipelines have different characteristics from land oil and gas pipelines during their service: First, submarine oil and gas pipelines are affected by complex marine environmental loads such as waves and currents, and earthquakes are also considered in special cases Secondly, due to the special geographical location of the submarine oil and gas pipeline and its important role in offshore oil exploitation, onc...
Claims
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IPC IPC(8): G02B6/54
Inventor 田政胡欣
Owner E TECH ENERGY TECH DEV CORP