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Deep water submarine pipeline axial aiming machine

A subsea pipeline, axial technology, applied in the direction of pipeline laying and maintenance, mechanical equipment, pipe/pipe joints/pipe fittings, etc., can solve the problem of inability to achieve accurate alignment, and achieve the effect of improving the quality of docking

Inactive Publication Date: 2012-06-27
CHINA NAT OFFSHORE OIL CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods can only achieve a rough alignment of the axial distance between the old and new pipes, but not precise alignment, so it needs to be improved

Method used

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  • Deep water submarine pipeline axial aiming machine
  • Deep water submarine pipeline axial aiming machine
  • Deep water submarine pipeline axial aiming machine

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Embodiment Construction

[0020] refer to Figure 1 to Figure 6 As shown, the deepwater submarine pipeline axial alignment tool of the present invention is characterized in that it includes a main body frame 1, an underwater robot (ROV) connecting frame 2, a joint device 3, a clamping device 4 and an adjustment device 5; the main body frame 1 Bottom beams 11 are located on both sides of the bottom, and the joint devices 3 are respectively arranged on the bottom beams 11 on both sides. The clamping device 4 and the adjustment device 5 are respectively arranged on the two opposite beams 15 on the upper part of the main frame 1; the upper part of the main frame 1 Connect with the underwater robot (ROV) connecting frame 2.

[0021] refer to Figure 1 to Figure 6 As shown, the deepwater submarine pipeline axial alignment tool of the present invention, wherein:

[0022] Two parallel bottom beams 11 are arranged on both sides of the bottom of the main body frame 1, and the upper part is two cross beams 15. ...

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Abstract

The invention provides a deep water submarine pipeline axial aiming machine, comprising a main body frame, an underwater robot connecting frame, a jointing device, clamping devices and adjusting devices; wherein the two sides of the bottom of the main body frame are provided with a foundation beam, the jointing device is respectively arranged on the foundation beams at the two sides, two cross beams opposite at the upper part of the main body frame are respectively provided with a clamping device and an adjusting device; and the upper part of the main body frame is connected with the underwater robot connecting frame. The machine clamps a new pipeline on a working mother boat, the machine and the new pipeline are dragged onto a designated H-shaped frame by an ROV, or the machine is directly dragged onto a new pipeline placed on the H-shaped frame by an ROV and then the pipeline is clamped by the clamping device, adjusting on the distance between the new pipeline and a butt pipeline and jointing operation are carried out with the coordination of a jointing tool, and meanwhile longitudinal position and transverse position of the new pipeline can be adjusted, so that the aiming accuracy of new and old pipelines can satisfy the requirement of bolt flange connection machine and deep water submarine pipeline butt quality is effectively improved.

Description

technical field [0001] The invention relates to offshore oil and gas development equipment, in particular to an axial alignment tool for deep-water submarine pipelines used in deep-water oil-gas pipeline connection operations. Background technique [0002] At present, oil and gas resources in deep water and ultra-deep waters are becoming a hotspot for the development of countries all over the world. Because oil and gas resources in deep waters need to be explored and developed in various ways, and offshore oil and gas development equipment directly determines the development level of offshore oil and gas resources, therefore , the research and development of key technologies and equipment for deep-sea oil and gas exploration has become an important task for the industry. [0003] The underwater tie-back of deep-water submarine pipelines is an important part of the deep-sea pipeline laying project. The initial alignment of the new and old pipeline networks in this project nee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L1/26
Inventor 李志刚赵冬岩何宁王立权张岚王春波潘钟健
Owner CHINA NAT OFFSHORE OIL CORP
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