CN105564606B - The solid rigging of tension leg temporary buoy system is quickly removed and tieback method - Google Patents
The solid rigging of tension leg temporary buoy system is quickly removed and tieback method Download PDFInfo
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- CN105564606B CN105564606B CN201610097594.1A CN201610097594A CN105564606B CN 105564606 B CN105564606 B CN 105564606B CN 201610097594 A CN201610097594 A CN 201610097594A CN 105564606 B CN105564606 B CN 105564606B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
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Abstract
A kind of solid rigging of tension leg temporary buoy system is quickly removed and tieback method, using following installation steps：One：Two floating drums are arranged on tension leg respectively；Two：Interim pulling device is hung on two floating drums in advance；Three：1. it is solid that two floating drums, which are carried out, and two floating drums are pulled into design spacing；2. the solid rig of floating drum system is hung to the hanger position on the second floating drum；Four：Crane barge suspension hook is lowerd, the used load between two floating drums is transferred on interim pulling device；Five：Interim pulling device is suspended on to the pre-designed position of the second floating drum；Six：The solid rig of the floating drum system being located on two floating drums is quickly removed；7th step：By the quick tieback of the solid rigging of the temporary buoy system being located on two floating drums.The present invention is not only solved due to wind, wave, the influence flowed, the mutually collision problem of ground produced by between tension leg, it can also enough under badly sea situation environment, the solid rigging of the interim system of tension leg quickly remove and tieback, efficiency of construction and reliability is substantially increased.
Description
Technical field
Quickly removed and tieback the present invention relates to tension leg, more particularly to a kind of solid rigging of tension leg temporary buoy system that is used for
Method.Belong to Offshore Engineering field.
Background technology
Being presently used for the floating system of deepwater development has：Open side type platform, semisubmersible platform, Floating Production storage emptying dress
Put, several structure types such as tension leg platform (TLP), wherein, tension leg platform (TLP) is flat as a kind of production of typical deepwater oil-gas development
Platform type, has been obtained for relatively broad application.The installation of tension leg has turned into the important step that tension leg platform (TLP) is constructed, very
To the committed step for being influence tension leg platform (TLP) Attention problems.But, during tension leg Attention problems, due to wind, wave, stream
Deng the influence of effect, tension leg can move forward and backward, swings and fluctuate, therefore, it is difficult to by predetermined design requirement to phase
Adjacent tension leg motion is effectively controlled, and to avoid the collision that its is mutual, great risk is brought to installation exercise.
The content of the invention
It is a primary object of the present invention to overcome the disadvantages mentioned above that prior art is present, and a kind of tension leg is provided and floated temporarily
The solid rigging of cylinder system is quickly removed and tieback method, and it can not only efficiently complete the Attention problems of tension leg platform (TLP), solve
Due to wind, wave, stream influence, the mutually collision problem of ground produced by between tension leg, it can also enough in badly sea situation environment
Under, the solid rigging of the interim system of tension leg is carried out quickly to remove and tieback, production cost is greatly reduced, improve efficiency of construction and
Reliability.
The purpose of the present invention is realized by following technical scheme：
A kind of solid rigging of tension leg temporary buoy system is quickly removed and tieback method, it is characterised in that：Installed using following
Step：
The first step：The first floating drum, the second floating drum are arranged on tension leg respectively；
Second step：Interim pulling device is hung over into the first floating drum, on the second floating drum in advance respectively；
3rd step：1. the first floating drum being respectively provided on tension leg, the second floating drum are carried out with the solid rigging of temporary buoy system
System is solid, and is slowly lifted crane barge suspension hook by interim pulling device, makes the first floating drum and the second floating drum close to each other, until drawing
To design spacing；2. untiing the solid rigging of the pre- temporary buoy system hung on the first floating drum under water by underwater robot, and hang
Hanger position on to the second floating drum；
4th step：Crane barge suspension hook is slowly lowerd by interim pulling device, makes the effect between the first floating drum and the second floating drum
On load transfer to interim pulling device；
5th step：Interim pulling device is suspended on to the pre-designed position of the second floating drum by crane barge suspension hook, subsequently should
Anxious tieback is used；
6th step：The first floating drum, the solid rigging of the temporary buoy system on the second floating drum will be located at quickly to remove；
7th step：The quick tieback of the first floating drum, the solid rigging of the temporary buoy system on the second floating drum will be located at.
The concrete mode of the second step is：The interim pulling device hung in advance on crane barge suspension hook is moved to the first floating drum
Near, and underwater robot is connected with the first rigging under water, and hang over the hanger position on the first floating drum；Re-move floating
Suspension hook is close to the second floating drum by interim pulling device, is connected under water with the second rigging by underwater robot, and hangs over
Hanger position on two floating drums.
The concrete mode of 6th step is：It is solid in the first floating drum, the second floating drum using underwater robot quick shearing system
On the 3rd rigging, now the 4th rigging and the 5th rigging are in straight condition, the pattern length of the 4th rigging and the 5th rigging with
Free state is equidistant.
The concrete mode of 7th step is：Assisted that interim pulling device is hung over into crane barge suspension hook again by underwater robot
On, and the first floating drum, the second floating drum is mutually furthered by pulley lifting；The quick standby rope by the 3rd rigging of underwater robot
Tool is hung to the hanger position of the first floating drum.
The interim pulling device includes：Pulley, the second rigging on pulley, on the second rigging under water
Robot hook special, snap ring.
The solid rigging of the temporary buoy system includes：It is separately mounted to the 3rd rigging on the first floating drum, the 4th rigging, the 5th
Rigging, the spare rigging for being separately mounted to the 4th rigging, the snap ring on the 5th rigging, the 3rd rigging on snap ring.
Beneficial effects of the present invention：The present invention is due to using above-mentioned technical proposal, and it can not only efficiently complete tension force
The Attention problems of leg platform, solve due to wind, wave, stream influence, the mutually collision problem of ground produced by between tension leg, moreover,
The solid rigging of the interim system of tension leg can also quickly remove and tieback, life is greatly reduced under badly sea situation environment
Cost is produced, efficiency of construction and reliability is improved.
Brief description of the drawings
Fig. 1 is the solid rough package drawing of temporary buoy system of the present invention.
Fig. 2 is the solid rigging arrangement schematic diagram of tension leg system of the present invention.
Fig. 3 is the solid schematic diagram of temporary buoy system of the present invention.
Fig. 4 is that the solid rigging of temporary buoy system of the present invention quickly removes schematic diagram.
Fig. 5 is the solid rigging tieback schematic diagram of temporary buoy system of the present invention.
Fig. 6 is the solid rigging of floating drum system of the present invention and interim pulling device schematic diagram.
Major Symbol explanation in figure：
1. crane barge suspension hook, 2. interim pulling devices, 3. pulleys, 4. first riggings, 5. second riggings, 6. underwater robots are special
With hook, 7. first floating drums, 8. second floating drums, 9. tension legs, 10. hangers, the solid rigging of 11. temporary buoy systems, 12. snap rings, 13. the
Three riggings, 14. the 4th riggings, 15. the 5th riggings, 16. underwater robots.
Embodiment
As shown in figure 1, the present invention uses following installation steps：
The first step：Respectively by several temporary buoys (i.e.：First floating drum 7, the second floating drum 8) it is arranged on tension leg 9；
Second step：Interim pulling device 2 is hung over into the first floating drum 7, on the second floating drum 8 in advance respectively；
As shown in Fig. 2 the interim pulling device 2 hung in advance on crane barge suspension hook 1 is moved near the first floating drum 7, and will
Underwater robot 16 is connected with the first rigging 4 under water, and hangs over the position of hanger 10 on the first floating drum 7；Re-move crane barge
Suspension hook 1 is close to the second floating drum 8 by interim pulling device 2, and underwater robot 16 is connected with the second rigging 5 under water, and is hung over
The position of hanger 10 on second floating drum 8；
Above-mentioned interim pulling device 2 includes：Pulley 3, the second rigging 5 on pulley 3, installed in the second rigging 5
Upper underwater robot hook special 6, snap ring 12.
3rd step：1. by the first floating drum 7 being respectively provided on tension leg 9, the second floating drum 8 solid rigging 11 of temporary buoy system
Progress is solid, and is slowly lifted crane barge suspension hook 1 by the pulley 3 in interim pulling device 2, makes the first floating drum 7 and second floating
Cylinder 8 is close to each other, until being pulled to design spacing；2. by underwater robot 16 untie under water it is pre- hang on the first floating drum 7 face
When floating drum system solid rigging 11 in the 5th rigging 15, and hang to the position of hanger 10 on the second floating drum 5；
The solid rigging 11 of above-mentioned temporary buoy system includes：It is separately mounted to the 3rd rigging 13, the 4th rigging on the first floating drum 7
14th, the 5th rigging 15, be separately mounted to the 4th rigging 14, the snap ring 12 on the 5th rigging 15, the on snap ring 12 the 3rd
The spare rigging of rigging 13.
4th step：As shown in figure 3, slowly loweing crane barge suspension hook 1 by the pulley 3 in interim pulling device 2, first is set to float
7 and second used load between floating drum 8 of cylinder is transferred on interim pulling device 2, now, and the in the solid rigging 11 of temporary buoy system
Three riggings 13, the 5th rigging 15 and snap ring 12 are in tension stress, and the 4th rigging 14 is in relaxed state, wherein, the 4th rope
Have 14 length more than the length of the 3rd rigging 13, the spare rigging of the 3rd rigging 13 is also in free overhang.
5th step：Interim pulling device 2 is suspended on to the pre-designed position of the second floating drum 7 by crane barge suspension hook 1, so as to follow-up
Emergent tieback is used；
6th step：As shown in figure 4, it is quick to be located at the first floating drum 7, the solid rigging 11 of the temporary buoy system on the second floating drum 8
Remove, it is necessary to carry out the dismounting that the first floating drum 7, the second floating drum 8 are solid rigging before the marine connection of tension leg 9, so as to and tension leg
9 connection, to save Large Construction resource and efficiently using good weather window, it is necessary to use the quick shearing of underwater robot 16
Solid the 3rd rigging 13 on the first floating drum 7, the second floating drum 8 of system, now, the first floating drum 7 and the second floating drum 8 are due to restoring force
Effect, to both sides resilience, and recovers to initial free state, the 4th rigging 14, the length of the 5th rigging 15 and free state etc.
Distance, has a certain degree of constraint to the motion of tension leg 9, and the spare rigging of the 3rd rigging 13 also freely dangles, and can reduce and open
Power leg wind, wave, stream etc. are acted on caused by rocking tendency, it is to avoid adjacent tension leg collides, and saves the plenty of time,
Improve efficiency of construction and security reliability.
7th step：The first floating drum 7 will be located at, the solid rigging 11 of temporary buoy system of the second floating drum 8 carries out quick tieback, when
The marine connection of power leg 9 or during carrying out other operations on the sea, if meet with typhoon or interior wave current etc. tension leg 9 is installed influence compared with
, it is necessary to temporary buoy during big severe sea condition：First floating drum 7, the second floating drum 8 re-start tieback system and consolidated, to ensure to open
Power leg 9 is without damage.
As shown in figure 5, being assisted by underwater robot 16, interim pulling device 2 is hung on crane barge suspension hook 1 again, and leads to
Cross pulley 3 and act on and be slowly lifted up, the first floating drum 7 and the second floating drum 8 is mutually furthered.It is quick by the by underwater robot 16
The spare rigging of three riggings 13 is hung to the hanger position of the first floating drum 7, slowly loosens crane barge suspension hook 1.Such a mode stroke
Short, the operating time shortens dramatically, it is ensured that construction safety.
The artificial prior art of above-mentioned suspension hook, pulley, rigging, floating drum, tension leg, hanger, underwater, the skill of not specified (NS)
Art is prior art, therefore is repeated no more.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, it is all
It is any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still falls within
In the range of technical solution of the present invention.
Claims (3)
1. a kind of solid rigging of tension leg temporary buoy system is quickly removed and tieback method, it is characterised in that：Walked using following install
Suddenly：
The first step：The first floating drum, the second floating drum are arranged on tension leg respectively；
Second step：Interim pulling device is hung over into the first floating drum, on the second floating drum in advance respectively；
3rd step：The first floating drum being respectively provided on tension leg, the second floating drum are carried out being solid with the solid rigging of temporary buoy system；System
Gu process：1. slowly lifting interim pulling device by crane barge suspension hook, make the first floating drum and the second floating drum close to each other, until
It is pulled to design spacing, 2. are untied the in the solid rigging of the pre- temporary buoy system hung on the first floating drum by underwater robot under water
Five riggings, and hang to the hanger position on the second floating drum；The solid rigging of the temporary buoy system includes：First is separately mounted to float
The 3rd rigging, the 4th rigging, the 5th rigging on cylinder, it is separately mounted to the 4th rigging, the snap ring on the 5th rigging, installed in card
The spare rigging of the 3rd rigging on ring；
4th step：Interim pulling device is slowly lowerd by crane barge suspension hook, makes the used load between the first floating drum and the second floating drum
It is transferred on the solid rigging of temporary buoy system；Now, the 3rd rigging, the 5th rigging and the snap ring in the solid rigging of temporary buoy system are in drawing
Tight stress, and the 4th rigging is in relaxed state, wherein, the 4th rigging length is more than the 3rd rigging length, the 3rd rigging
Spare rigging is also in free overhang；
5th step：Interim pulling device is suspended on to the pre-designed position of the second floating drum by crane barge suspension hook, subsequently to meet an urgent need back
Connect use；
6th step：The first floating drum, the solid rigging of the temporary buoy system on the second floating drum will be located at quickly to remove；The tool of 6th step
Body mode is：Consolidate the 3rd rigging on the first floating drum, the second floating drum using underwater robot quick shearing system, now the 4th rope
Tool and the 5th rigging are in straight condition, and the pattern length and free state of the 4th rigging and the 5th rigging are equidistant；
7th step：The quick tieback of the first floating drum, the solid rigging of the temporary buoy system on the second floating drum will be located at；7th step
Concrete mode is：Assisted again to hang over interim pulling device on crane barge suspension hook by underwater robot, and made by pulley lifting
First floating drum, the second floating drum mutually further；Quickly the spare rigging of the 3rd rigging is hung to the first floating drum by underwater robot
Hanger position.
2. the solid rigging of tension leg temporary buoy system according to claim 1 is quickly removed and tieback method, it is characterised in that：
The concrete mode of the second step is：The interim pulling device hung in advance on crane barge suspension hook is moved near the first floating drum, and
Underwater robot is connected with the first rigging under water, and hangs over the hanger position on the first floating drum；Re-move crane barge suspension hook
Interim pulling device is close to the second floating drum, and underwater robot is connected with the second rigging under water, and is hung on the second floating drum
Hanger position.
3. the solid rigging of tension leg temporary buoy system according to claim 2 is quickly removed and tieback method, it is characterised in that：
The interim pulling device includes：Pulley, the second rigging on pulley, underwater robot is special on the second rigging
With hook, snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097594.1A CN105564606B (en) | 2016-02-23 | 2016-02-23 | The solid rigging of tension leg temporary buoy system is quickly removed and tieback method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097594.1A CN105564606B (en) | 2016-02-23 | 2016-02-23 | The solid rigging of tension leg temporary buoy system is quickly removed and tieback method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105564606A CN105564606A (en) | 2016-05-11 |
| CN105564606B true CN105564606B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610097594.1A Active CN105564606B (en) | 2016-02-23 | 2016-02-23 | The solid rigging of tension leg temporary buoy system is quickly removed and tieback method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650080B (en) * | 2016-12-16 | 2021-01-08 | 中国海洋石油集团有限公司 | Dynamic instability identification method based on tension leg parameter map |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423985A (en) * | 1981-09-14 | 1984-01-03 | Chevron Research Company | Tension leg platform with horizontal movement capability |
| US8430602B2 (en) * | 2010-01-06 | 2013-04-30 | Technip France | System for increased floatation and stability on tension leg platform by extended buoyant pontoons |
| US20110206466A1 (en) * | 2010-02-25 | 2011-08-25 | Modec International, Inc. | Tension Leg Platform With Improved Hydrodynamic Performance |
| CN103244080B (en) * | 2013-05-28 | 2016-04-27 | 江苏科技大学 | A kind of ultra-deep-water float-type offshore and gas development system |
| CN203767043U (en) * | 2014-03-19 | 2014-08-13 | 中国海洋石油总公司 | Tension leg platform |
| CN204452866U (en) * | 2015-02-11 | 2015-07-08 | 古国维 | Platform is floated with the tension leg type high stability of biological floating bed combination |
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| CN105564606A (en) | 2016-05-11 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |