CN203703360U - Underwater foldable online manifold - Google Patents

Underwater foldable online manifold Download PDF

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Publication number
CN203703360U
CN203703360U CN201420074422.9U CN201420074422U CN203703360U CN 203703360 U CN203703360 U CN 203703360U CN 201420074422 U CN201420074422 U CN 201420074422U CN 203703360 U CN203703360 U CN 203703360U
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CN
China
Prior art keywords
manifold
foldable type
main pipeline
tube
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420074422.9U
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Chinese (zh)
Inventor
安维峥
周晓红
洪毅
王文祥
邹星
贾旭
侯广信
来远
林影炼
胡茂宏
杨风允
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
CNOOC Deepwater Development Ltd
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
CNOOC Deepwater Development Ltd
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Publication date
Application filed by China National Offshore Oil Corp CNOOC, CNOOC Research Institute Co Ltd, CNOOC Deepwater Development Ltd filed Critical China National Offshore Oil Corp CNOOC
Priority to CN201420074422.9U priority Critical patent/CN203703360U/en
Application granted granted Critical
Publication of CN203703360U publication Critical patent/CN203703360U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an underwater foldable online manifold. The underwater foldable online manifold comprises a main pipeline, wherein the side wall of the main pipeline is communicated with a branch pipeline; the other end of the branch pipeline is connected with a connector; a valve is arranged on the branch pipeline; on the main pipeline, two foldable anti-sinking plates are connected to positions corresponding to the branch pipeline; the foldable anti-sinking plates are arranged symmetrically by taking the main pipeline as the center. By adopting the underwater foldable online manifold, connection of material flow between an underwater well hole and a seabed pipeline can be realized: the two ends of the main pipeline are directly connected with the seabed pipeline on a pipe laying ship, and an underwater manifold is arranged by using the pipe laying ship along with the installation of the seabed pipeline. During installation, the manifold is folded and passes through a tensioner after being connected with a sea pipe on the pipe laying ship, an upper buoyancy device is arranged before the manifold reaches a pipe support frame, the manifold passes through the pipe support frame under the assistance of a pipe laying ship crane, the anti-sinking plates are unfolded after the manifold passes through the pipe support frame, the manifold is arranged at a predetermined seedbed position along with the laying of the sea pipe, and the buoyancy device is recovered to finish installation.

Description

One is the online manifold of foldable type under water
Technical field
The utility model relates to the one online manifold of foldable type under water.
Background technique
At sea in oilfield exploitation procedure, along with the increase of the depth of water, subsea production system is widely used, subsea manifold is the hub facility of processing distribution under water, in production system, play an important role under water, then the logistics that conventional subsea manifold collects one or more well heads is connected to duct end through jumper pipe, then be connected to production pipeline, wherein subsea manifold and jumper pipe all need lifting separately to install, and need to complete under water the connection that being connected between manifold and duct end is jumper pipe, this kind of subsea manifold is applicable to the oil-gas field development that well head is comparatively concentrated.In the deep water hydrocarbon field development process of disperseing for well head, distant between well head and well head, the more subaqueous pipe needing is remitted and is realized collecting and carrying of logistics, if use conventional subsea manifold, need more duct end, jumper pipe and the more operation of connection under water simultaneously, greatly increased cost of equipment, installation time and mounting cost.
Model utility content
The purpose of this utility model is to provide the one online manifold of foldable type under water, the problem of the deep water hydrocarbon field exploitation that the utility model disperses for well head in above-mentioned prior art, provide one can simplify subsea production system, the online manifold of foldable type simply has under water been installed.
For achieving the above object, the utility model is taked following technological scheme:
One provided by the utility model is the online manifold of foldable type under water, and it comprises a main pipeline; The sidewall of described main pipeline is connected with a branch pipe(tube), and the other end of described branch pipe(tube) connects a connector, and described branch pipe(tube) is provided with a valve;
On described main pipeline, be connected with 2 foldable type mud mats in the corresponding position, position of described branch pipe(tube), described foldable type mud mat is arranged symmetrically centered by described main pipeline.
The described online manifold of foldable type under water, the sidewall of described main pipeline is also connected with a reserved branch pipe(tube), and the other end of described reserved branch pipe(tube) connects a connector, and described connector is connected with a pressure cap, and described reserved branch pipe(tube) is provided with a valve; The object that described reserved branch pipe(tube) is set is: make the later stage find well head in logistics can access online manifold of the present utility model.
The described online manifold of foldable type under water, is provided with 2 described foldable type mud mats in the corresponding position, position of described reserved branch pipe(tube) on described main pipeline, described foldable type mud mat is arranged symmetrically centered by described main pipeline.
The described online manifold of foldable type under water, described branch pipe(tube) and described reserved branch pipe(tube) all support by a supporting frame, and support frame as described above is connected on described main pipeline.
The described online manifold of foldable type under water, scalable upper connecting rod and lower link that described foldable type mud mat comprises dust guard and is rotatably connected with the top and bottom of described dust guard, the other end of described scalable upper connecting rod is rotatably connected with support frame as described above, and the other end of described lower link is rotatably connected with support frame as described above; Collapsible design of the present utility model reduces the width of online manifold greatly, has effectively ensured that online manifold can be smoothly by stretcher and pipe support rack.
The described online manifold of foldable type under water, is connected with several hangers on described foldable type mud mat, in installation process, by described hanger, the online manifold of described foldable type is under water connected on setting tool.
The described online manifold of foldable type under water, is connected with buoyant device interface on described main pipeline, in installation process, described buoyant device interface can the stress in control valve road and the direction of manifold.
The online manifold of foldable type under water of the present utility model, can realize the connection of logistics between underwater well head and submarine pipeline: the two ends of main pipeline of the present utility model are directly connected on pipe laying barge with submarine pipeline and the installation with the installation subsea manifold of submarine pipeline by pipe laying barge.When installation, pass through stretcher by folding manifold after being connected on pipe laying barge with extra large pipe, before reaching pipe support rack, install buoyant device, then under the assistance of pipe laying barge loop wheel machine, pass through pipe support rack, by mud mat being launched after pipe support rack, along with manifold is arranged on predetermined sea bed position by the laying of extra large pipe, reclaim buoyant device to complete installation.
The utility model, owing to having taked technique scheme, has the following advantages:
1, the main pipeline two ends of manifold are directly connected with submarine pipeline, have saved conventional manifold with sea pipe connected required duct end and jumper pipe and have been connected under water accordingly.
2, manifold is connected with submarine pipeline on pipe laying barge, and completes the installation of manifold with the laying of extra large pipe, has saved the independent lifting of conventional manifold and has installed.
3, the setting of foldable type mud mat, this structure reduces the width of online manifold by foldover design greatly, has effectively ensured that online manifold can be smoothly by stretcher and pipe support rack.
The utility model can be widely used in the deep water hydrocarbon field development process that well head comparatively disperses.
Brief description of the drawings
Fig. 1 is the structural representation of the online manifold of foldable type under water of the present utility model.
Fig. 2 is the structural representation after the online manifold mud mat of foldable type under water of the present utility model folds.
In figure, each mark is as follows:
1 branch pipe(tube), 2,6 inventions, 3,7 connectors, 4 supporting frames, 5 reserved branch pipe(tube)s, 8 pressure caps, 9 foldable type mud mats, 10 scalable upper connecting rods, 11 lower links, 12 hangers, 13 buoyant device interfaces, 14 main pipelines.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, the one that the utility model provides the under water online manifold of foldable type comprises a main pipeline 14, and the sidewall of this main pipeline 14 is connected with a branch pipe(tube) 1, and branch pipe(tube) 1 supports by the supporting frame 4 being arranged on main pipeline 14.The other end of this branch pipe(tube) 1 connects a connector 3, and this branch pipe(tube) 1 is provided with a valve 2, for the connection of controlling branch pipe(tube) 1 with closed.
On main pipeline 14, be connected with 2 foldable type mud mats 9 in the corresponding position, position of branch pipe(tube) 1, this foldable type mud mat 9 is arranged symmetrically centered by main pipeline 14.And the sidewall of main pipeline 14 is also connected with a reserved branch pipe(tube) 5, and reserved branch pipe(tube) 5 supports by supporting frame 4.The other end of this reserved branch pipe(tube) 5 connects a connector 7, and this connector 7 seals by pressure cap 8, and reserved branch pipe(tube) 5 is provided with a valve 6.Meanwhile, on main pipeline 14, be provided with 2 foldable type mud mats 9 in the corresponding position, position of reserved branch pipe(tube) 5, foldable type mud mat 9 is arranged symmetrically centered by main pipeline 14.
In the utility model, scalable upper connecting rod 10 and lower link 11 that foldable type mud mat 9 comprises dust guard and is rotatably connected with the top and bottom of this dust guard, the other end of this scalable upper connecting rod 10 is rotatably connected with supporting frame 4, and the other end of lower link 11 is rotatably connected with supporting frame 4; Collapsible design of the present utility model reduces the width of online manifold greatly, has effectively ensured that online manifold can be smoothly by stretcher and pipe support rack.
In the utility model, on foldable type mud mat 9, be connected with hanger 12, in installation process, by hanger 12 by this under water the online manifold of foldable type be connected on setting tool.On main pipeline 14, be connected with buoyant device interface 13, in installation process, this buoyant device interface 13 can the stress in control valve road and the direction of manifold.
The online manifold of foldable type under water that the utility model provides, connector 3 is connected to realize being connected of logistics between underwater well head and submarine pipeline with underwater well head by jumper pipe, saved conventional manifold with sea pipe connected required duct end and jumper pipe and be connected under water accordingly, reserved connector 7 can be realized the access of following underwater well head.The two ends of manifold main pipeline are directly connected on pipe laying barge with submarine pipeline and the installation with the installation manifold of submarine pipeline by pipe laying barge, it is the submarine pipeline of 6 cun for a diameter, the utility model under water weight of the online manifold of foldable type is about 18t, through computational analysis is installed, in installation process, the maximum bending strain of manifold and the maximum plastic deformation of submarine pipeline are all within the claimed range of specification.
Installation process of the present utility model is as follows:
By the contraction of scalable upper connecting rod 10 and the rotation of rotation and lower link 11, subsea manifold is folded into structure as shown in Figure 2 and is transported to the welding zone of pipe laying shipowner production line, in welding zone by one end of subsea manifold together with having measured the manifold front and continued sea pipeline welding of length, the follow-up extra large pipe of the other end and manifold welds together, along with the carrying out of pipe laying, before manifold arrives stretcher time, the load of pipeline is transferred on A & R winch by stretcher, and open stretcher so that the passing through smoothly of manifold, when manifold is by after stretcher, stretcher the load of pipeline is transferred to stretcher by A & R winch again closes.Along with proceeding of pipe laying, in the time that subsea manifold arrives before pipe support rack, buoyant device is connected to the stress that born with the follow-up sea of control manifold pipe on manifold and the direction of manifold, and uses the loop wheel machine on pipe laying barge to assist manifold to pass through pipe support rack.By the elongation of scalable upper connecting rod 10 and the rotation of rotation and lower link 11, mud mat is launched by ROV through after pipe support rack.The manifold sea bed position predetermined along with the laying of extra large pipe is mounted to subsequently reclaimed buoyant device and subsea manifold protection structure is installed after ROV passed examination.If manifold size is larger, can not pass through stretcher, the structures such as foldable type mud mat 9, scalable upper connecting rod 10, lower link 11 and pressure cap 8 can be disassembled, before arriving pipe support rack by stretcher, manifold is mounted on manifold.
The various embodiments described above are only for illustrating the utility model, wherein structure, the Placement etc. of each parts are all to change to some extent, for example, also can be controlled the folding of mud mat and be launched by the hydraulic mechanism of umbilical cables control for realizing the folding upper connecting rod of mud mat and lower link.Every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.

Claims (7)

1. the online manifold of foldable type under water, is characterized in that: described manifold comprises a main pipeline; The sidewall of described main pipeline is connected with a branch pipe(tube), and the other end of described branch pipe(tube) connects a connector, and described branch pipe(tube) is provided with a valve;
On described main pipeline, be connected with 2 foldable type mud mats in the corresponding position, position of described branch pipe(tube), described foldable type mud mat is arranged symmetrically centered by described main pipeline.
2. the online manifold of foldable type under water according to claim 1, it is characterized in that: the sidewall of described main pipeline is also connected with a reserved branch pipe(tube), the other end of described reserved branch pipe(tube) connects a connector, described connector is connected with a pressure cap, and described reserved branch pipe(tube) is provided with a valve.
3. the online manifold of foldable type under water according to claim 2, it is characterized in that: on described main pipeline, be provided with 2 described foldable type mud mats in the corresponding position, position of described reserved branch pipe(tube), described foldable type mud mat is arranged symmetrically centered by described main pipeline.
4. the online manifold of foldable type under water according to claim 3, is characterized in that: described branch pipe(tube) and described reserved branch pipe(tube) all support by a supporting frame, and support frame as described above is connected on described main pipeline.
5. the online manifold of foldable type under water according to claim 4, it is characterized in that: scalable upper connecting rod and lower link that described foldable type mud mat comprises dust guard and is rotatably connected with the top and bottom of described dust guard, the other end of described scalable upper connecting rod is rotatably connected with support frame as described above, and the other end of described lower link is rotatably connected with support frame as described above.
6. the online manifold of foldable type under water according to claim 5, is characterized in that: on described foldable type mud mat, be connected with several hangers.
7. the online manifold of foldable type under water according to claim 6, is characterized in that: on described main pipeline, be connected with buoyant device interface.
CN201420074422.9U 2014-02-20 2014-02-20 Underwater foldable online manifold Expired - Lifetime CN203703360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631483A (en) * 2015-01-21 2015-05-20 天津大学 Composite type anti-settling plate basis with railing gaps in bottom plate and manufacturing method thereof
CN109605722A (en) * 2018-10-10 2019-04-12 高明芳 A kind of bellows nozzle assures sealing production line
WO2019234725A1 (en) * 2018-06-04 2019-12-12 Vetco Gray Scandinavia As 2-slot inline block manifold system
CN111207245A (en) * 2020-01-16 2020-05-29 海洋石油工程股份有限公司 Self-locking foldable submarine pipeline terminal
CN111237542A (en) * 2020-01-02 2020-06-05 海洋石油工程股份有限公司 Deepwater gas field underwater connection expansion equipment for J-shaped installation
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
NO20190828A1 (en) * 2019-07-01 2021-01-04 Vetco Gray Scandinavia As Vertical branch inline manifold system
US11053746B2 (en) 2016-04-04 2021-07-06 Technip Uk Ltd Pipeline integrated manifold
CN113623460A (en) * 2021-07-15 2021-11-09 海洋石油工程股份有限公司 Submarine pipeline terminal

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631483A (en) * 2015-01-21 2015-05-20 天津大学 Composite type anti-settling plate basis with railing gaps in bottom plate and manufacturing method thereof
US11053746B2 (en) 2016-04-04 2021-07-06 Technip Uk Ltd Pipeline integrated manifold
WO2019234725A1 (en) * 2018-06-04 2019-12-12 Vetco Gray Scandinavia As 2-slot inline block manifold system
GB2589473A (en) * 2018-06-04 2021-06-02 Vetco Gray Scandinavia As 2-slot inline block manifold system
GB2589473B (en) * 2018-06-04 2022-08-03 Vetco Gray Scandinavia As 2-slot inline block manifold system
CN109605722A (en) * 2018-10-10 2019-04-12 高明芳 A kind of bellows nozzle assures sealing production line
NO20190828A1 (en) * 2019-07-01 2021-01-04 Vetco Gray Scandinavia As Vertical branch inline manifold system
NO347159B1 (en) * 2019-07-01 2023-06-12 Vetco Gray Scandinavia As Vertical branch inline manifold system
CN111237542A (en) * 2020-01-02 2020-06-05 海洋石油工程股份有限公司 Deepwater gas field underwater connection expansion equipment for J-shaped installation
CN111207245A (en) * 2020-01-16 2020-05-29 海洋石油工程股份有限公司 Self-locking foldable submarine pipeline terminal
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
CN113623460A (en) * 2021-07-15 2021-11-09 海洋石油工程股份有限公司 Submarine pipeline terminal

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd.

Patentee after: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee after: CNOOC DEEPWATER DEVELOPMENT Ltd.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee before: CNOOC Research Institute

Patentee before: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee before: CNOOC DEEPWATER DEVELOPMENT Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140709