CN107313723A - Slidingtype super large caliber subsea manifold - Google Patents
Slidingtype super large caliber subsea manifold Download PDFInfo
- Publication number
- CN107313723A CN107313723A CN201710598964.4A CN201710598964A CN107313723A CN 107313723 A CN107313723 A CN 107313723A CN 201710598964 A CN201710598964 A CN 201710598964A CN 107313723 A CN107313723 A CN 107313723A
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- Prior art keywords
- module
- roll
- pipe
- several
- pile foundation
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0007—Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of slidingtype super large caliber subsea manifold, including：Interim barrel of sending and receiving the ball provides pile foundation structure, the pipe-line system on pile foundation structure and the roll-off module of support for manifold conduits and under water, wherein, several piling sleeves are respectively arranged with four angles of pile foundation structure, pile foundation structure tail end is provided with the supporting construction of interim barrel of sending and receiving the ball under water；Roll-off module is provided with several slip spacer pins；Several slip spacer pins are inserted into the slot of pile foundation structure, so that fixed roll-off module, after manifold is installed in place, several spacer pins will be opened；Several gliding movement targeting structures are installed on roll-off module and pile foundation structure.The present invention, which is not only solved, uses the problem of submarine pipeline material cost is higher, greatly reduces cost of building projects；Moreover, it can receive and send under water spherical pig, pigging operation and pipe detection operation during being easy to construct and operating greatly save finishing operations and maintenance cost.
Description
Technical field
The present invention relates to subsea manifold, more particularly to a kind of slidingtype for connecing, unloading single point mooring system for Crude Oil at Sea
Super large caliber subsea manifold.Belong to Offshore Engineering field.
Background technology
Connect with traditional harbour crude oil, compared with unloading system, Crude Oil at Sea, which connects, unload single point mooring system is moved harbour by bank
To marine, solve that most harbor approach in the world are narrow, shallower, scale is smaller, it is impossible to mammoth tanker and ultra-large type
The contradiction that oil tanker development matches；Crude Oil at Sea connects, it is smaller to unload the influence of single point mooring system climate, and its cost of investment is about
The a quarter of traditional harbour.Exemplified by connecing oil, the workflow that crude oil connect, unloaded single point mooring system is：Oil tanker mooring and drift
Float on the floating drum on sea, crude oil is delivered to single-point floating drum by flotation hose from oil tanker, then is delivered to water by underwater hose
Lower manifold, finally, crude oil are delivered to land treatment facility by submarine pipeline by manifold.Emptying flow is then opposite.
At present, single point mooring's subsea manifold is mainly connected by expansion bends with submarine pipeline, to solve submarine pipeline
Expansion issues.But, because existing major diameter expansion bends pipeline is longer and heavier, pass through expansion bends and submarine pipeline phase
The cost of this mode not only submarine pipeline material even is higher and also higher to the hardware requirement of mounting shipping；Therefore, cause
Installation difficulty is larger, and installation cost is higher；Meanwhile, it is not easy to carry out pigging operation and Technique of Subsea Pipeline Inspection operation during operation,
Difficulty is brought for follow-up system maintenance.
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 provide a kind of slidingtype super large pipe
Footpath subsea manifold, it absorbs the expansion of submarine pipeline by roll-off module, not only solve with submarine pipeline material cost compared with
High the problem of, greatly reduce cost of building projects, Attention problems difficulty and set-up time；Moreover, it can be received under water
With transmission spherical pig, pigging operation and pipe detection operation during being easy to construct and operating greatly save finishing operations and dimension
Protect cost.
The purpose of the present invention is realized by following technical scheme：
A kind of slidingtype super large caliber subsea manifold, it is characterised in that：Including：For manifold conduits and interim sending and receiving under water
Ball cylinder provides pile foundation structure, the pipe-line system on pile foundation structure and the roll-off module of support, wherein, in pile foundation
It is respectively arranged with four angles of plinth structure and provides the several piling sleeves being oriented to for driven pile, pile foundation structure tail end is provided with
The supporting construction of interim barrel of sending and receiving the ball under water；Roll-off module is located between pile foundation structure and pipe-line system；Set on roll-off module
There are the several slip spacer pins moved along submarine pipeline expansion direction；Several spacer pins that slide are inserted into inserting for pile foundation structure
In groove, so that fixed roll-off module, prevents roll-off module from sliding during manifold is transported and is lifted, after manifold is installed in place, number
Individual spacer pin will be opened；Promising roll-off module is installed on roll-off module and pile foundation structure the several slide-and-guides being oriented to are provided
Structure.
The pile foundation structure is rectangular configuration；Supporting construction is trapezium structure.
The top of the piling sleeve is bell shape.
The pipe-line system includes：A piece main pipeline and two branch pipes, the diameter of main pipeline are consistent with submarine pipeline；Supervisor
Isolating valve is respectively arranged with road and branch pipe；It is coated with pipe-line system on pipe clamp, pipe clamp and deep floor is set；In pipe-line system
It is separately installed with several pipeline supports, several antifatigue pipeline supports.
The head end of the main pipeline is provided with welding neck flange, and pipe-line system is connected by one end of welding neck flange and goose neck pipe
Connect, the other end of goose neck pipe is connected with submarine pipeline again；Two branch pipes are distributed on main pipeline both sides, two branch pipes and set respectively
There is SSIV.
The branch pipe afterbody is lifted up certain angle by elbow, and branch pipe afterbody is axially and vertical direction angle is 30 °
~45 °, two branch pipes are connected by the branch pipe end flanges positioned at afterbody with underwater hose respectively.
The roll-off module is the single layer structure module that shaped steel is welded to form, and roll-off module passes through several gliding movement targeting structures
Respectively together with pile foundation structure constraint；Two long sides of roll-off module are enclosed in several gliding movement targeting structures, are only allowed
Sliding mould slides axially along main pipeline.
Several slip spacer pins are arranged on the outside on two long sides of roll-off module.
The gliding movement targeting structure is rectangle, deep floor is symmetrically arranged with the outside of gliding movement targeting structure, slip is led
Certain interval is left between the inner side of structure and the shaped steel internally slided；And inner side is fixed with several backing plates, make sliding mould
Block smoothly slides along gliding movement targeting structure.
Beneficial effects of the present invention：The present invention is due to using above-mentioned technical proposal, and simple in construction, easy to operate, it passes through
Roll-off module absorbs the expansion of submarine pipeline, not only solve with submarine pipeline material cost it is higher the problem of, substantially reduce
Cost of building projects, Attention problems difficulty and set-up time；Moreover, it can receive and send under water spherical pig, it is easy to
Pigging operation and pipe detection operation during construction and operation, greatly save finishing operations and maintenance cost.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is that inventive pipeline arranges schematic diagram.
Fig. 3 is pile foundation structure schematic diagram of the present invention.
Fig. 4-1 is roll-off module guider dimensional structure diagram of the present invention.
Fig. 4-2 is roll-off module guider main structure diagram of the present invention.
Fig. 5-1 is that inventive pipeline supports dimensional structure diagram.
Fig. 5-2 is that inventive pipeline supports main structure diagram.
Major Symbol explanation in figure：
1- under water interim barrel of sending and receiving the ball, the SSIVs of 2- first, 3- first piling sleeve, the pipeline supports of 4- first, 5-
First pipe end flanges, the antifatigue pipeline supports of 6- first, the support of 7- second pipes, the SSIVs of 8- second, 9- supervisor
Road, the piling of 10- second sleeve, 11- supervisors end flange, the pipeline supports of 12- the 3rd, second pipe end flanges of 13-, 14- the
Two antifatigue pipeline supports, the gliding movement targeting structures of 15- first, 16- roll-off modules, the piling of 17- the 3rd sleeve, 18- the 3rd are under water
Isolating valve, 19- first slide spacer pin, 20- pile foundation structures, the gliding movement targeting structures of 21- second, 22- second slide spacer pin,
The piling of 23- the 4th sleeve, 24- the 3rd slide spacer pin, the gliding movement targeting structures of 25- the 3rd, 26- the 4th and slide spacer pin, 27- the
The supporting construction of the interim barrel of sending and receiving the ball of four gliding movement targeting structures, 28-, the backing plates of 29- first, the backing plates of 30- second, 31- the 3rd are padded
Plate, the backing plates of 32- the 4th, half-watt, 36- pipes, 37- deep floors under half-watt, 34- floors, 35- pipe clamps on 33- pipe clamps.
Embodiment
As shown in Fig. 1-Fig. 5-2, the present invention includes：Interim barrel of sending and receiving the ball 1 provides support for manifold conduits and under water
Pile foundation structure 20, the pipe-line system on pile foundation structure 20 and roll-off module 16, wherein, in pile foundation structure 20
Four angles on use welding manner be respectively arranged with it is several piling sleeves (the present embodiment be first piling sleeve 3, second drive piles
Sleeve 10, the 3rd piling sleeve 17, the 4th piling sleeve 23) provide guiding for driven pile；
Above-mentioned pile foundation structure 20 is rectangular configuration, is made up of shaped steel welding, its tail end is provided with interim sending and receiving ball under water
The supporting construction 28 of cylinder, for supporting interim barrel of sending and receiving the ball 1, supporting construction 28 is trapezium structure, and this structure type can strengthen
Bearing capacity, it is to avoid main pipeline 9 produces excessive moment of flexure, so that the sealing of damage containment valve or influence flange face.
Above-mentioned first piling sleeve 3, the second piling sleeve 10, the 3rd piling sleeve 17, the top of the 4th piling sleeve 23
For bell shape, it is therefore an objective to which there is provided guiding during pitching pile.
Above-mentioned pipe-line system includes：A piece main pipeline 9 and two branch pipes, the diameter of main pipeline 9 are consistent with submarine pipeline, main
Pipeline 9 and branch pipe are connected by threeway；Be respectively arranged with main pipeline 9 and branch pipe isolating valve (the present embodiment be first under water every
From valve 2, the second SSIV 8, the 3rd SSIV 18), its pipe-line system is used as connection underwater hose and submerged pipeline
Bridge, realize connecing, unloading operation for crude oil；First SSIV 2 is arranged on the tail end of pipe-line system, and it can connect water
Interim barrel of sending and receiving the ball 1, is not only convenient for the pre- Task of Debugging in engineering construction stage down, meanwhile, it is easy to the pigging operation during operation
With pipe detection operation, finishing operations maintenance cost is greatlyd save.
The head end of above-mentioned main pipeline 9 is provided with welding neck flange 11, and pipe-line system passes through welding neck flange 11 and the one of goose neck pipe
End connection, the other end of goose neck pipe is connected with submarine pipeline again；Two branch pipes are distributed in the both sides of main pipeline 9, its size, shape
With component all same, but two branch pipe arranged directions are opposite, it is therefore an objective to enable two underwater hoses being attached thereto formed " in
State's lantern " configuration.Second SSIV 8 and the 3rd SSIV 18, its purpose are respectively arranged with two branch pipes
It is when changing flexible pipe, valve to be closed, so as to prevent crude oil leakage.
Above-mentioned branch pipe afterbody is lifted up certain angle by elbow, and branch pipe afterbody is axially and vertical direction angle is 30 °
~45 °, angle angle must is fulfilled for underwater hose configuration design requirement, simultaneously, it is ensured that will not be produced between flexible pipe and subsea manifold
Raw interference, so different waters, different water depth, this angle angle may be variant.Two branch pipes pass through positioned at the first of afterbody
Branch pipe end flanges 5, second pipe end flanges 13 are connected with underwater hose.
According to project demands, the isolating valve of pipe-line system is ball valve under water, and it can select top-loading ball valve or side-mounted
Ball valve.
Above-mentioned roll-off module 16 is located between pile foundation structure 20 and pipe-line system, and roll-off module 16 is slided provided with several
(the slip spacer pin of the present embodiment is the first slip spacer pin 19 to spacer pin, and second slides spacer pin 22, and the 3rd slides spacer pin
24, the 4th slides spacer pin 26), it can be moved along submarine pipeline expansion direction, on roll-off module 16 and pile foundation structure 20
Be provided with it is several be roll-off module 16 provide be oriented to gliding movement targeting structure (the present embodiment gliding movement targeting structure be first slide lead
To structure 15, the second gliding movement targeting structure 21, the 3rd gliding movement targeting structure 25, the 4th gliding movement targeting structure 27), slide spacer pin
Effect be manifold transport and lift during fix roll-off module 16.
Above-mentioned roll-off module 16 is the single layer structure module that shaped steel is welded to form, and it passes through several gliding movement targeting structures (this
Several gliding movement targeting structures of embodiment are the first gliding movement targeting structure 15, the second gliding movement targeting structure 21, the 3rd slide-and-guide
Structure 25, the 4th gliding movement targeting structure 27), together with it is constrained with pile foundation structure 20 respectively.Two of roll-off module 16 are long
The shaped steel on side is enclosed in four the first gliding movement targeting structures 15, the second gliding movement targeting structure 21, the 3rd gliding movement targeting structure 25,
In four gliding movement targeting structures 27, only roll-off module 16 is allowed to be slid axially along main pipeline 9.
Above-mentioned several slip spacer pins are arranged on the outside of the shaped steel on 16 two long sides of roll-off module, several slip spacer pins
In the slot that can be inserted into pile foundation structure 20, so that fixed roll-off module 16, prevents from sliding mould during manifold is transported and is lifted
Block 16 is slided, and after manifold is installed in place, several spacer pins will be opened.
Above-mentioned gliding movement targeting structure is rectangle, and deep floor 37 is symmetrically arranged with the outside of gliding movement targeting structure, is slided
The inner side of guide frame and certain interval is left between the shaped steel of its internal slide, and inner side be fixed with it is several certain thickness
The backing plates 29 of Te Folong (PTFE) first, the second backing plate 30, the 3rd backing plate 31, the 4th backing plate 32, it is therefore an objective to reduce coefficient of friction,
Roll-off module 16 is set smoothly to be slid along gliding movement targeting structure.
Half-watt 33 on the pipe clamp that half-watt 35 is constituted under half-watt 33 and pipe clamp on pipe clamp, pipe clamp is coated with above-mentioned pipe-line system
And be bolted under pipe clamp between half-watt 35, deep floor 34 is set on pipe clamp.Pipe clamp lower half watt is connected by pipe 36
35 and roll-off module 16, and pipe 36 is connected with half-watt under pipe clamp 35 and following structural steel shape using welding manner respectively.
Be connected by screw bolts in above-mentioned pipe-line system mode be separately installed with the first pipeline support 4, second pipe support 7,
3rd pipeline support 12, antifatigue pipeline support 6, antifatigue pipeline support 14, to be used as guide support.
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 (9)
1. a kind of slidingtype super large caliber subsea manifold, it is characterised in that：Including：For manifold conduits and under water interim sending and receiving ball
Cylinder provides pile foundation structure, the pipe-line system on pile foundation structure and the roll-off module of support, wherein, in pile foundation
It is respectively arranged with four angles of structure and provides the several piling sleeves being oriented to for driven pile, pile foundation structure tail end is provided with water
The supporting construction of interim barrel of sending and receiving the ball down；Roll-off module is located between pile foundation structure and pipe-line system；Roll-off module is provided with
The several slip spacer pins moved along submarine pipeline expansion direction；It is several to slide the slot that spacer pin is inserted into pile foundation structure
It is interior, so that fixed roll-off module, prevents roll-off module from sliding during manifold is transported and is lifted, it is several after manifold is installed in place
Spacer pin will be opened；Promising roll-off module is installed on roll-off module and pile foundation structure the several slide-and-guide knots being oriented to are provided
Structure.
2. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：The pile foundation structure is square
Shape structure；Supporting construction is trapezium structure.
3. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：The top of the piling sleeve
For bell shape.
4. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：The pipe-line system includes：
A piece main pipeline and two branch pipes, the diameter of main pipeline are consistent with submarine pipeline；Isolation is respectively arranged with main pipeline and branch pipe
Valve；It is coated with pipe-line system on pipe clamp, pipe clamp and deep floor is set；Be separately installed with pipe-line system several pipeline supports,
Several antifatigue pipeline supports.
5. slidingtype super large caliber subsea manifold according to claim 4, it is characterised in that：The head end peace of the main pipeline
Equipped with welding neck flange, pipe-line system is connected by welding neck flange with one end of goose neck pipe, the other end of goose neck pipe again with Submarine Pipeline
Road is connected；Two branch pipes are distributed on main pipeline both sides, two branch pipes and are respectively arranged with SSIV.
6. the slidingtype super large caliber subsea manifold according to claim 4 or 5, it is characterised in that：The branch pipe afterbody leads to
Cross elbow and be lifted up certain angle, branch pipe afterbody is axially and vertical direction angle is 30 °~45 °, and two branch pipes pass through respectively
Branch pipe end flanges positioned at afterbody are connected with underwater hose.
7. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：The roll-off module is shaped steel
The single layer structure module being welded to form, roll-off module constrains in one with pile foundation structure respectively by several gliding movement targeting structures
Rise；Two long sides of roll-off module are enclosed in several gliding movement targeting structures, only allow sliding mould to be slid axially along main pipeline.
8. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：Several slip spacer pins
It is arranged on the outside on two long sides of roll-off module.
9. slidingtype super large caliber subsea manifold according to claim 1, it is characterised in that：The gliding movement targeting structure is
Rectangle, be symmetrically arranged with deep floor on the outside of gliding movement targeting structure, the inner side of gliding movement targeting structure and internally slides
Certain interval is left between shaped steel；And inner side is fixed with several backing plates, roll-off module is set smoothly to be slid along gliding movement targeting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598964.4A CN107313723A (en) | 2017-07-21 | 2017-07-21 | Slidingtype super large caliber subsea manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598964.4A CN107313723A (en) | 2017-07-21 | 2017-07-21 | Slidingtype super large caliber subsea manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313723A true CN107313723A (en) | 2017-11-03 |
Family
ID=60178130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598964.4A Pending CN107313723A (en) | 2017-07-21 | 2017-07-21 | Slidingtype super large caliber subsea manifold |
Country Status (1)
| Country | Link |
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| CN (1) | CN107313723A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723076A (en) * | 2018-12-24 | 2019-05-07 | 大连理工大学 | Shallow foundation of a free-type subsea anti-sinking plate |
| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
| CN111852400A (en) * | 2020-06-10 | 2020-10-30 | 海洋石油工程股份有限公司 | Combined PLET for connecting flexible vertical pipe |
| CN113202448A (en) * | 2021-04-20 | 2021-08-03 | 天津大学 | Two-way slidingtype of submarine manifold system prevents sinking board foundation structure |
| CN113970012A (en) * | 2021-11-01 | 2022-01-25 | 中海石油(中国)有限公司 | Fixing pin fixing method for underwater production manifold in steel cylinder under seabed mud surface |
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| CN109723076A (en) * | 2018-12-24 | 2019-05-07 | 大连理工大学 | Shallow foundation of a free-type subsea anti-sinking plate |
| CN109723076B (en) * | 2018-12-24 | 2020-04-24 | 大连理工大学 | Free type seabed anti-sinking plate shallow foundation |
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| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
| CN111852400A (en) * | 2020-06-10 | 2020-10-30 | 海洋石油工程股份有限公司 | Combined PLET for connecting flexible vertical pipe |
| CN113202448A (en) * | 2021-04-20 | 2021-08-03 | 天津大学 | Two-way slidingtype of submarine manifold system prevents sinking board foundation structure |
| CN113970012A (en) * | 2021-11-01 | 2022-01-25 | 中海石油(中国)有限公司 | Fixing pin fixing method for underwater production manifold in steel cylinder under seabed mud surface |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: Offshore Oil Engineering Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: Offshore Oil Engineering Co., Ltd. |
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Application publication date: 20171103 |