Title:
METHOD FOR MAINTAINING UNMANNED SHIPBORNE PIPELINE
Document Type and Number:
WIPO Patent Application WO/2018/000544
Kind Code:
A1
Abstract:
A method for maintaining unmanned shipborne pipeline, comprising the following steps: conveying a device used for repairing a damaged pipeline (P) out of a work column above the damaged pipeline (P) in a floating cabin; positioning the damaged location of the pipeline (P); deploying the device lowered to the seabed; lowering pipeline support frames (F) to the seabed and distributing same to specified locations; placing a jacking package deployment basket (30) of multiple jacking package components (J); lowering a mold loading frame (R) to the seabed; a dredger works; repeating the same steps to each of the jacking package components (J); inflating the jacking package components (J) to lift the pipeline (P) off the seabed; lowering a rope used for repairing the damaged section of the pipeline (P) and a hose basket; lowering a davit line to the seabed, picking up the davit line and dragging same towards the pipeline repairing rope, and connecting the davit line to the rope; lowering a pipeline end preparation tool (90) and a compressor weigher (92) to the seabed, and then carrying out corresponding maintenance.
More Like This:
| WO/2013/046184 | METHOD AND SYSTEM FOR SECURING A PIPELINE TO THE BED OF A BODY OF WATER |
| WO/2016/066740 | CLAMP |
| WO/2014/199213 | ARRANGEMENT, SYSTEM AND METHOD FOR RETRIEVING A LAYDOWN HEAD |
Inventors:
YANG YUE (CN)
Application Number:
PCT/CN2016/095110
Publication Date:
January 04, 2018
Filing Date:
August 14, 2016
Export Citation:
Assignee:
YANG YUE (CN)
International Classes:
F16L1/26
Foreign References:
| US5425599A | 1995-06-20 |
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