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Pipeline-laying vessel and pipeline-laying method using same

A laying method and pipeline technology, which are applied in the direction of pipeline laying and maintenance, pipe/pipe joint/pipe fittings, and pipe-laying ships, etc., can solve problems such as lengthening, structural rigidity and recovery of laying ships, and difficulty in laying operations with deep-sea pipelines, etc. , to achieve the effect of smooth laying operation

Active Publication Date: 2014-10-29
SAMSUNG HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] However, there is a problem that in order to use the S-lay ship for deep-sea pipeline laying work, the length of the erection device for bearing the weight of the pipeline to be laid needs to be lengthened, and therefore, the structural rigidity and restorability of the laying ship caused by this make it difficult For deep sea pipeline laying operations

Method used

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  • Pipeline-laying vessel and pipeline-laying method using same
  • Pipeline-laying vessel and pipeline-laying method using same
  • Pipeline-laying vessel and pipeline-laying method using same

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Embodiment Construction

[0033] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 is a perspective view schematically showing a pipeline laying vessel according to an embodiment of the present invention, figure 2 is a top view of a pipeline laying vessel according to an embodiment of the present invention, image 3 It is a side view of the pipe-laying vessel of the embodiment of the present invention.

[0034] refer to Figure 1 to Figure 3 , the S-lay ship 10 of the present embodiment is a pipeline laying ship for laying a pipeline 20 on the seabed, and a plurality of pipeline segments 22 per unit length are supplied to the pipeline laying ship by a transport ship, and the plurality of pipeline segments 22 supplied It is lowered to the seabed while being connected by more than one operating station 30 arranged on the hull.

[0035] This laying ship 10 is moved to the position for laying the pipeline 20 by the propelling device 1...

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Abstract

Disclosed are a pipeline-laying vessel and a pipeline-laying method using same. According to one embodiment, the pipeline-laying vessel comprises: a platform which is provided along the pipeline-laying route and on which is placed one or more work stations where pipeline assembly is carried out; a stringer which is connected near to one end of the platform and guides the pipeline to the sea floor; and a raising-and-lowering actuator which adjusts the angle of inclination of the platform.

Description

technical field [0001] The present invention relates to a pipeline laying vessel for laying pipelines on the seabed, and a pipeline laying method using the pipeline laying vessel. Background technique [0002] A laying vessel for laying pipelines on the seabed moves along the coast or deep sea and lays pipelines on the seafloor using a pipeline laying system provided on the hull. The pipeline is connected to each other by welding each pipeline segment per unit length on the laying ship and lowered to the seabed. [0003] Such a pipeline laying ship uses the S-lay and J-lay methods according to the method of laying pipelines. [0004] In the S-lay method, when the pipeline is dropped from the laying ship along the pipeline laying route, it descends along an S-shaped route with a large curvature radius by means of an inclined arched ramp (ramp) known as a stinger. laid on the seabed. Therefore, in this S-lay method, due to the load of the laid pipeline, there is a danger of...

Claims

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Application Information

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IPC IPC(8): B63B35/04F16L1/12F16L1/20
CPCB63B35/03F16L1/18F16L1/202F16L1/207F16L1/225B63B35/04F16L1/12F16L1/20
Inventor 朴宣奎朴成国俞泓在李喜元任玉珍洪永和
Owner SAMSUNG HEAVY IND CO LTD
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