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Method and system for supporting submerged structures

A technology for underwater structures and transportation systems, applied in pipeline laying and maintenance, pipes/pipe joints/fittings, mechanical equipment, etc., can solve problems such as low efficiency and complex technology

Inactive Publication Date: 2016-06-01
SUBCON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pumping grout from a surface vessel is technically more complex and less efficient as the pump must overcome the head of water (difference in water level) to deliver the grout to the bag

Method used

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  • Method and system for supporting submerged structures
  • Method and system for supporting submerged structures
  • Method and system for supporting submerged structures

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0062] figure 1 A part of an underwater structure 10 in the form of a pipe on the bottom 12 of the water body 14 is shown. In the following description of specific embodiments of the method and system, the structure 10 will be exemplified by a pipe or pipeline. The body of water 14 into which the structure 10 sinks can be any body of water, including but not limited to oceans, seas, bays, rivers, and lakes. Depending on the nature of the body of water 14, the bottom 12 may be a sea bed, a river bed, a lake bed or other corresponding underwater formations. The depth of the structure below the surface 16 of the body of water 14 is not important to the embodiments of the present system and method, and the depth can range from average sea level (ie, for example, if the structure spans a coastline) to several kilometers.

[0063] in figure 1 In, a depression 18 located under the structure 10 in the bottom 12 is depicted. The depression 18 may be formed due to erosion or other effect...

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PUM

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Abstract

A system (20) and associated method (100) is provided for supporting a submerged structure (10) on an underwater floor (12). The system (20) incorporates an inflatable container (22), a submergible supply (24) of a settable composition and a submergible transfer system (26) operable to transfer the settable composition from the supply (24) to the container (22). The system (20) is arranged so that the supply (24) is subjected to a hydrostatic pressure in the order of that acting on the inflatable container (22).

Description

Technical field [0001] A system and method for supporting underwater structures are disclosed. In particular, but not exclusively, the system and method described above are suitable for supporting underwater pipelines under water. Also disclosed are settable compositions for use in the above-mentioned systems and methods. Background technique [0002] Underwater pipelines are used for many different purposes, including: conveying fluids, such as but not limited to oil and gas; and carrying communication channels, such as metal cables and optical fibers. The pipe is placed at the bottom of the water (for example, the seabed). When the pipeline straddles an existing depression in the seabed, or when the water or current flowing near the pipeline causes erosion of the seabed, resulting in depressions or depressions under the pipeline, an overhanging section of the pipeline may occur . Gravity tends to push the pipeline into the depression or bend the pipeline into the depression...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L1/16
CPCF16L1/20F16L1/123
Inventor 马修·艾伦詹姆斯·哈勒姆
Owner SUBCON TECH