CN103926669B - A kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline - Google Patents
A kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline Download PDFInfo
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- CN103926669B CN103926669B CN201410141345.9A CN201410141345A CN103926669B CN 103926669 B CN103926669 B CN 103926669B CN 201410141345 A CN201410141345 A CN 201410141345A CN 103926669 B CN103926669 B CN 103926669B
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Abstract
The present invention relates to a kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline.The invention belongs to sea-bottom oil-gas pipeline safety monitoring technology field.Lay a method for safety monitoring optical cable with Ocean Oil And Gas Pipeline, be characterized in: lay safety monitoring optical cable with Ocean Oil And Gas Pipeline and comprise the following steps: (1) Ocean Oil And Gas Pipeline is in place: Ocean Oil And Gas Pipeline is put into predetermined paving location; (2) lay operation: trencher is put into precalculated position, towboat drives trencher to carry out ditching operation, along with the carrying out of ditching operation, is laid in ditch synchronously, in the same way by safety monitoring optical cable and Ocean Oil And Gas Pipeline; (3) backfill: utilize backfill ship or seabed silt naturally to back-silt mode, Ocean Oil And Gas Pipeline is embedded in ditch together with safety monitoring optical cable.The present invention has optical cable laying quick and precisely, and operating efficiency is high, carries out the long-term real time on-line monitoring of pipeline situation, ensure that the advantages such as the safe operation of Ocean Oil And Gas Pipeline by optical cable.
Description
Technical field
The invention belongs to sea-bottom oil-gas pipeline safety monitoring technology field, particularly relate to a kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline.
Background technology
At present, along with the fast development of marine petroleum exploitation, sea-bottom oil-gas pipeline plays significant role as main transport and warehousing and transportation facilities in Marine oil and gas resource exploitation, forms the lifeline of marine oil and gas exploitation, has the feature of high investment, high risk and high reward.The basic assurance that during Ocean Oil And Gas Pipeline safe and reliable operation, offshore oil and gas field is normally produced.Ocean Oil And Gas Pipeline leaks and causes oil gas field to stop production or the underproduction on the one hand, brings huge economic loss; Cause serious marine pollution and the huge wasting of resources on the other hand.
The application case that the leakage situation of existing utilization Distributed Optical Fiber Sensing Techniques to terrestrial pipeline is monitored, but technique is not applied to submarine pipeline.Due to the equipment not having adjoint submarine pipeline to lay submarine optical fiber cable at present, simple is deployed to precalculated position from ship in submarine pipeline process of deployment together with pipeline, also there are several technological difficulties: (1) optical cable is difficult to submarine pipeline coordination, one removes water in the same way; (2) can deeper water and the poor marine site of environmental baseline at the South Sea, if laid with pipeline from ship simultaneously, difficulty of construction is high, progress is slow, and cost is high; (3) when laying work, when optical cable water under stinger may damage optical cable; (4), in trencher operation process, trencher collides with pipeline and optical cable may be caused to damage in traveling process.Optical cable damage inefficacy also just causes the significant problems such as the failure of whole monitoring works.
Summary of the invention
The present invention provides a kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline for solving in known technology the technical matters that exists.
The object of this invention is to provide one and there is pipeline laying quick and precisely, operating efficiency is high, and technique is simple, safe and reliable, the long-term real time on-line monitoring of pipeline situation can be carried out, ensure that the adjoint Ocean Oil And Gas Pipeline of the features such as the safe operation of Ocean Oil And Gas Pipeline lays the method for safety monitoring optical cable.
The adjoint submarine pipeline that the present invention proposes lays the method for optical cable, after pipeline arrives predetermined paving location by trencher operation by safety monitoring optical cable with submarine pipeline coordination, in the same way be embedded in seabed, effectively avoid pipelaying barge operation and the damage problem of trencher collision to optical cable.
The technical scheme that the present invention takes with the method that Ocean Oil And Gas Pipeline lays safety monitoring optical cable is:
Lay a method for safety monitoring optical cable with Ocean Oil And Gas Pipeline, it is characterized in that: lay safety monitoring optical cable with Ocean Oil And Gas Pipeline and comprise the following steps:
(1) Ocean Oil And Gas Pipeline is in place: Ocean Oil And Gas Pipeline is put into predetermined paving location, after determining that pipeline arrives predetermined paving location, waits for trencher operation;
(2) lay operation: trencher is put into precalculated position, towboat drives trencher to carry out ditching operation, along with the carrying out of ditching operation, is laid in ditch synchronously, in the same way by safety monitoring optical cable and Ocean Oil And Gas Pipeline;
(3) backfill: utilize backfill ship or seabed silt naturally to back-silt mode, Ocean Oil And Gas Pipeline is embedded in ditch together with safety monitoring optical cable, complete the safety monitoring optical cable laying with Ocean Oil And Gas Pipeline.
The method that the present invention lays safety monitoring optical cable with Ocean Oil And Gas Pipeline can also adopt following technical scheme:
Described adjoint Ocean Oil And Gas Pipeline lays the method for safety monitoring optical cable, is characterized in: before laying operation, arranges optical cable delivery tension device at towboat afterbody, trencher is installed optical cable and receives tensioning system and optical cable guide piece.
Described adjoint Ocean Oil And Gas Pipeline lays the method for safety monitoring optical cable, be characterized in: when laying operation, along with safety monitoring optical cable is transported to optical cable reception tensioning system by the optical cable delivery tension device that carries out of ditching operation, regulated the laying speed of optical cable by conveying and receiving trap simultaneously, finally by optical cable guide piece control optical cable lay orientation, the degree of depth and and pipeline between distance, safety monitoring optical cable and Ocean Oil And Gas Pipeline synchronously, are in the same way laid in ditch, and control optical cable near pipeline.
Described adjoint Ocean Oil And Gas Pipeline lays the method for safety monitoring optical cable, is characterized in: after Ocean Oil And Gas Pipeline is in place, is carried out the laying of Ocean Oil And Gas Pipeline by trencher operation.
Described adjoint Ocean Oil And Gas Pipeline lays the method for safety monitoring optical cable, is characterized in: when laying operation, by crane, trencher is put into precalculated position.
The advantage that the present invention has and good effect are:
The method of safety monitoring optical cable is laid owing to have employed the brand-new technical scheme of the present invention with Ocean Oil And Gas Pipeline, compared with prior art, method of laying optical cable with Ocean Oil And Gas Pipeline of the present invention, when sea-bottom oil-gas pipeline lays ditching operation, an optical cable is laid at Near Pipelines by trencher, after submarine pipeline backfills naturally, the live signal of submarine pipeline is monitored accurately by the optical cable intelligence of Near Pipelines, thus adjoining pipe paving cable completely can be achieved, solve the technical barrier of submarine pipeline overall process on-line monitoring, occur to leak once pipeline, by the signal of optical cable transmission, there is the position of leakage in targeted duct accurately, thus carry out pipeline maintenance timely, avoid occurrence of large-area oil spill accident, ensure that the safety in production in marine oil gas field, effectively avoid the pollution of the marine environment that oil spilling causes.
Accompanying drawing explanation
Fig. 1 is that the present invention lays the schematic diagram of safety monitoring optical cable with Ocean Oil And Gas Pipeline.
In figure, 1, towboat, 2, towing cable, 3, optical cable, 4, trencher, 5, Ocean Oil And Gas Pipeline, 6, crane, 7, optical cable delivery tension device, 8, optical cable receives tensioning system, 9, optical cable guide piece.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Accompanying drawings 1.
Embodiment 1
Lay a method for safety monitoring optical cable with Ocean Oil And Gas Pipeline, its process of deployment comprises the following steps:
1. Ocean Oil And Gas Pipeline is in place: by pipelaying barge or other pipe laying modes, Ocean Oil And Gas Pipeline is put into predetermined paving location, after determining that pipeline arrives predetermined paving location, waits for trencher operation;
2. arrange paving cable equipment: before trencher operation, arrange optical cable delivery tension device at towboat afterbody, trencher is installed optical cable and receives tensioning system and optical cable guide piece;
3. lay operation, by crane, trencher is put into precalculated position, towboat drives trencher to advance, carry out ditching operation, along with the carrying out of ditching operation, optical cable is transported to optical cable and receives tensioning system by optical cable delivery tension device, regulated the laying speed of optical cable by conveying and receiving trap simultaneously, finally by optical cable guide piece control optical cable lay orientation, the degree of depth and and pipeline between distance, optical cable and Ocean Oil And Gas Pipeline synchronously, are in the same way laid in ditch, and control optical cable as much as possible near pipeline;
4. backfill: utilize special backfill ship or seabed silt naturally to back-silt, Ocean Oil And Gas Pipeline is embedded in ditch together with optical cable, realize laying with Ocean Oil And Gas Pipeline the object that optical cable carries out monitoring pipeline safety.
The concrete structure of the present embodiment and enforcement thereof:
The method of safety monitoring optical cable is laid with Ocean Oil And Gas Pipeline, as shown in Figure 1, mainly comprise: towboat 1, crane 6, optical cable delivery tension device 7, towing cable 2, optical cable 3, trencher 4, optical cable receives tensioning system 8, optical cable guide piece 9 Ocean Oil And Gas Pipeline 5.
The laying construction of the present embodiment: first, is put into predetermined paving location by pipelaying barge or other pipe laying modes by Ocean Oil And Gas Pipeline 5, waits for trencher 4 operation; Then arrange optical cable delivery tension device 7 at towboat 1 afterbody, trencher 4 is installed optical cable and receives tensioning system 8 and optical cable guide piece 9; Then by crane 6, trencher 4 is put into precalculated position, towboat 1 drives trencher 4 to advance, carry out ditching operation, along with the carrying out of ditching operation, optical cable 3 is transported to optical cable and receives tensioning system 8 by optical cable delivery tension device 7, receive tensioning system 8 by delivery tension device 7 and optical cable regulates optical cable 3 to lay speed simultaneously, finally by optical cable guide piece 9 control optical cable 3 lay orientation, the degree of depth and and pipeline 5 between distance, optical cable 3 and Ocean Oil And Gas Pipeline 1 synchronously, are in the same way laid in ditch, and control optical cable 3 as much as possible near pipeline 5; Finally utilize special backfill ship or seabed silt naturally to back-silt, Ocean Oil And Gas Pipeline 5 is embedded in ditch together with optical cable 3, realize laying with Ocean Oil And Gas Pipeline the object that optical cable carries out monitoring pipeline safety.
The present embodiment has described optical cable laying quick and precisely, and operating efficiency is high, and technique is simple, safe and reliable, carries out the long-term real time on-line monitoring of pipeline situation, ensure that the good effects such as the safe operation of Ocean Oil And Gas Pipeline by optical cable.
Claims (1)
1. lay a method for safety monitoring optical cable with Ocean Oil And Gas Pipeline, it is characterized in that: lay safety monitoring optical cable with Ocean Oil And Gas Pipeline and comprise the following steps:
(1) Ocean Oil And Gas Pipeline is in place: Ocean Oil And Gas Pipeline is put into predetermined paving location, after determining that pipeline arrives predetermined paving location, waits for trencher operation;
(2) lay operation: trencher is put into precalculated position, towboat drives trencher to carry out ditching operation, along with the carrying out of ditching operation, is laid in ditch synchronously, in the same way by safety monitoring optical cable and Ocean Oil And Gas Pipeline;
(3) backfill: utilize backfill ship or seabed silt naturally to back-silt mode, Ocean Oil And Gas Pipeline is embedded in ditch together with safety monitoring optical cable, complete the safety monitoring optical cable laying with Ocean Oil And Gas Pipeline;
Before laying operation, arrange optical cable delivery tension device at towboat afterbody, trencher is installed optical cable and receives tensioning system and optical cable guide piece; When laying operation, along with safety monitoring optical cable is transported to optical cable reception tensioning system by the optical cable delivery tension device that carries out of ditching operation, regulated the laying speed of optical cable by conveying and receiving trap simultaneously, finally by optical cable guide piece control optical cable lay orientation, the degree of depth and and pipeline between distance, safety monitoring optical cable and Ocean Oil And Gas Pipeline synchronously, are in the same way laid in ditch, and control optical cable near pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410141345.9A CN103926669B (en) | 2014-04-10 | 2014-04-10 | A kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline |
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| CN201410141345.9A CN103926669B (en) | 2014-04-10 | 2014-04-10 | A kind of method of laying safety monitoring optical cable with Ocean Oil And Gas Pipeline |
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| CN103926669A CN103926669A (en) | 2014-07-16 |
| CN103926669B true CN103926669B (en) | 2016-03-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105182491B (en) * | 2015-08-28 | 2018-06-29 | 天津亿利科能源科技发展股份有限公司 | A kind of laying method being suitable for submarine pipeline optical cable |
| CN105182492B (en) * | 2015-08-28 | 2018-06-29 | 天津亿利科能源科技发展股份有限公司 | A kind of laying method of seabed adjoining pipe optical cable |
| CN110011865A (en) * | 2019-05-17 | 2019-07-12 | 启迪入思技术有限公司 | High-speed communication and electric power networks building method and system in the subsurface rock of seabed |
| CN110908057B (en) * | 2019-12-13 | 2021-05-25 | 浙江思密达智能装备有限公司 | Underwater optical cable laying vehicle |
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| WO1983000060A1 (en) * | 1981-06-24 | 1983-01-06 | SKRODER, Carl, Peter | Method and machine for the laying down of underwater pipes and cables |
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