CN104060971B - Assembly type underwater manifold structure - Google Patents
Assembly type underwater manifold structure Download PDFInfo
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- CN104060971B CN104060971B CN201410276369.5A CN201410276369A CN104060971B CN 104060971 B CN104060971 B CN 104060971B CN 201410276369 A CN201410276369 A CN 201410276369A CN 104060971 B CN104060971 B CN 104060971B
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- 238000000034 method Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
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- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 6
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- 206010018325 Congenital glaucomas Diseases 0.000 description 4
- 206010012565 Developmental glaucoma Diseases 0.000 description 4
- 208000007157 Hydrophthalmos Diseases 0.000 description 4
- 201000001024 buphthalmos Diseases 0.000 description 4
- 238000011161 development Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses an assembly type underwater manifold structure. The assembly type underwater manifold structure comprises a bottom supporting frame, a manifold technology pipeline, an upper guiding and assembling frame and multiple pipeline guiding supports, wherein the manifold technology pipeline is arranged on the bottom supporting frame, the multiple manifold guiding supports are used for restraining and supporting the manifold technology pipeline, the upper guiding and assembling frame is formed by connecting multiple upright posts, multiple main upright posts and cross supports in a crossing way, hanging points are arranged in the top positions of the main upright posts, and each main upright post is connected with a guiding sleeve by outwards stretching the main upright post. According to the assembly type underwater manifold structure disclosed by the utility model, the assembly type underwater manifold structure can be independently put down to a sea-floor foundation structure through a crane and can be assembled into a whole with the sea-floor foundation structure; the load of the manifold technology pipeline and an interface structure can be effectively transmitted to the sea-floor foundation structure, the requirement on ship installation is greatly reduced, and the selectable range of a ship resource and the selection of weather windows are enlarged; meanwhile, the installation difficulty and the construction risk are reduced.
Description
Technical field
The present invention relates to subsea manifold, more particularly to a kind of assembled subsea manifold structure for offshore and gas development.
Belong to Offshore Engineering field.
Background technology
Subsea production system is indispensable and basic equipment in deep water offshore and gas development.With opening for China's petroleum resources
Send out and progressively move towards deep water and marginal field, subsea production system is widely applied, and subsea production system will be from now on
The key of offshore and gas development production.
Subsea manifold occupies an important position in oil and gas development under water, is connected by subsea manifold and other underwater installations
Connect, complete the defeated distribution of collection under water, realize the optimization layout of whole subsea production system.
At present, existing subsea manifold is mainly made up of the connection of foundation structure, manifold structure and protection structure.Due to it
Volume and weight is larger, often substantially exceeds the crane capacity of conventional Attention problems loop wheel machine.If using subsea manifold entirety
The mounting means of decentralization, will propose high challenge to Attention problems operation, need ship loop wheel machine have enough crane capacities and
Cantilever span away from, meanwhile, the weather window of installation can be also limited, so as to increased the risk of installation difficulty and underwater operation.
The content of the invention
Present invention is primarily targeted at overcoming the disadvantages mentioned above that prior art is present, and provide a kind of assembled subaqueous pipe
Remittance structure, it can not only be individually transferred to seafloor foundation structure by loop wheel machine, and assembles integral with foundation structure；And
And, the load of process pipelines and interface structure can be efficiently transferred in foundation structure, greatly reduce to installation ship
The requirement of oceangoing ship, expands optional scope and the selection of weather window of resources on board；Meanwhile, reduce installation difficulty and construction wind
Danger.
The purpose of the present invention is realized by technical scheme below：
A kind of assembled subsea manifold structure, it is characterised in that：Including：One bottom support frame, installed in bottom support
Manifold process pipelines, top on framework are oriented to assembling framework, the several pipelines for constraining and supporting manifold process pipelines and lead
To support；Wherein, it is that by several columns, several head trees and stull interconnection are formed, head tree that top is oriented to assembling framework
Tip position suspension centre is installed；Stretch to outer on head tree and be connected with a pilot sleeve.
The bottom support frame is the frame structure being welded by I-steel, and bottom support frame is provided with stop collar
Cylinder.
The pilot sleeve is inversion toroidal.
The node bottom that the I-steel of the bottom support frame is oriented to the column of assembling framework with top, head tree intersects
Reinforcement gusset is installed；Wherein, transition ring flat-plate is also equipped with head tree；Ball valve is provided with the I-steel of bottom support frame
Spacing bearing, the spacing bearing of the ball valve is made up of right-angled intersection plate weld.
The pipeline guiding trestle by upper and lower half-watt clamp and bolt and nut to connecting and composing, pipeline guiding trestle both sides
Reinforcement diagonal brace is installed.
A buphthalmos saddle is provided with the column.
The manifold process pipelines are provided with：Several Trunk Lines and the several by-pass lines being connected with several Trunk Lines, manifold work
Pipeline adc is connected and composed by metallurgical composite pipe, underwater tee joint, underwater flange, subsea control valve；Wherein, one end of Trunk Line with
Rigid submarine pipeline connects, and the other end of Trunk Line is used for interim pigging；By-pass line is connected by underwater tee joint with Trunk Line；Two
Root by-pass line is connected by a underwater gate valve throttling with jumper pipe, in addition, two by-pass lines are reserved by double gate valve cut-off.
Beneficial effects of the present invention：
1st, the requirement to mounting shipping is reduced, optional scope and the selection of weather window of resources on board is expanded, meanwhile,
Reduce installation difficulty and construction risk；
2nd, by manifold core texture modularization, it is easy to the work such as follow-up construction, test, transport installation, its design concept
It is equally applicable to other underwater facilities；Meanwhile, in the form of assembly connection, the requirement of recovery can be met, be conducive to the later stage
Maintenance conditions etc. need；
3rd, with bell-mouthed pilot sleeve assembling structure, the docking of submerged structure, spacing collar infrastructure can be realized
Assembling, can be effectively passed to foundation structure by the load of process pipelines and interface structure；
4th, the setting of buphthalmos can meet the demand of levelness installation accuracy adjustment, and confined space can enter in bottom support frame
Row perfusion iron sand or concrete realize the requirement of counterweight.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is present configuration block schematic illustration.
Fig. 3 is present invention process pipeline schematic diagram.
Major Symbol explanation in figure：
1. bottom support frame, 2. manifold process pipelines, 3. top be oriented to assembling framework, 4. I-steel, 5. pipeline be oriented to
Gusset, 13. mistakes are strengthened in support, 6. column, 7. stull, 8. head tree, 9. suspension centre, 10. pilot sleeve, 11. spacing collars, 12.
Cross ring flat-plate, 14. standpipes, 15. strengthen diagonal braces, the spacing bearing of 16. ball valves, 17. buphthalmos saddles, 18. metallurgical composite pipes, 19. under water
Threeway, 20. under water ball is blue, 21. blind flange, 22. ball valve, 23. underwater gate valves under water under water.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes：Bottom support frame 1, the pipe on bottom support frame 1
Converge process pipelines 2, the several pipeline guiding trestles 5 for constraining and supporting manifold process pipelines 2 and installed in bottom carriage
Top on frame 1 is oriented to assembling framework 3；Wherein, bottom support frame 1 is the frame structure being welded by I-steel 4, bottom
Support frame 1 is provided with spacing collar 11；Packing ring is placed with pipeline guiding trestle 5, to the axial freedom of discharge line；
It is that by several columns 6, several head trees 8 and the interconnection of stull 7 are formed that top is oriented to assembling framework 3, the column 6 and bottom
Support frame frame 1 is fixed using welding manner, and the head tree 8 coordinates the limit installed in bottom support frame 1 using axis hole connected mode
In the sleeve 11 of position；The tip position of head tree 8 is provided with suspension centre 9 using welding manner；In the head tree 8 on part head tree 8
Stretch to outer and be connected with a pilot sleeve 10, the pilot sleeve 10 is inversion toroidal.
The section that the I-steel 4 of above-mentioned bottom support frame 1 is oriented to the central post 6 of assembling framework 3 with top, head tree 8 intersects
Point bottom is provided with reinforcement gusset 12 using welding manner；Wherein, transition ring flat-plate is provided with using welding manner on head tree 8
13。
The present embodiment：Pipeline guiding trestle 5 is provided with 7, including：3 14 cun of supports, 36 cun of supports and 14 cun
Frame；The pipeline guiding trestle 5 is by upper and lower half-watt clamp and bolt and nut to connecting and composing；By upper and lower half-watt clamp and bolt
To connection constraints pipeline, the clamp bottom half-watt is welded and fixed nut by a standpipe 14 and I-steel top flange；4 cun and 6
The both sides of writing brush line guiding trestle 5 are provided with reinforcement diagonal brace 15 using welding manner；It is provided with the I-steel of bottom support frame 1
The spacing bearing 16 of ball valve, the bracket is made up of right-angled intersection plate weld, and size needs the three-dimensional dimension and institute's stand under load according to valve
Lotus determines.
As shown in figure 3, above-mentioned manifold process pipelines 2 are provided with：Several Trunk Lines and be connected with several Trunk Lines several
Pipeline, manifold process pipelines 2 are metallurgical composite pipe 18, under water underwater tee joint 19, the ball orchids 20, water by 14 cun, 6 cun and 4 cun
Lower blind flange 21, subsea control valve is connected and composed；Wherein, 14 cun of metallurgical composite pipes 18 are used as Trunk Line, one end of Trunk Line with
Rigid submarine pipeline connects, and the other end of Trunk Line is used for interim pigging, pigging end using double balls under water valve 22 carry out it is double every
It is disconnected；6 cun and 4 cun are connected by reducing underwater tee joint 19 as by-pass line, wherein by-pass line with Trunk Line；Wherein two arms
Line is connected by a throttling of underwater gate valve 23 with jumper pipe, in addition, two by-pass lines are reserved by double gate valve cut-off.
A buphthalmos saddle 17 is provided with above-mentioned column 6, position height needs the observation for meeting underwater robot (ROV)
Require.
When using, by mounting shipping hanging device, the present invention is transferred to the pairing foundation structure in seabed, by being oriented to
The lead column butt junction location of sleeve 10 and seafloor foundation structure, then group is realized by the guiding of the insertion foundation structure of spacing collar 11
Dress.Ball blue connection steel submarine pipeline and jumper pipe respectively in manifold process pipelines 12, manifold process pipelines 12 pass through again
Guiding trestle 5 is formed after entirety with bottom support frame 1, then realizes stablizing in seabed with foundation structure assembling.
Above-mentioned flange, threeway, ball valve, underwater gate valve are prior art, and the technology of not specified (NS) is prior art.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, all
It is above example is made any simple modification, equivalent variations and modification according to the technical spirit of the present invention, still falls within
In the range of technical solution of the present invention.
Claims (2)
1. a kind of assembled subsea manifold structure, it is characterised in that：Including：One bottom support frame, installed in bottom carriage
Manifold process pipelines, top on frame are oriented to assembling framework, the several pipelines for constraining and supporting manifold process pipelines and are oriented to
Support；Wherein, it is that by several columns, several head trees and stull interconnection are formed, head tree that top is oriented to assembling framework
Tip position is provided with suspension centre；Stretch to outer on head tree and be connected with a pilot sleeve；The bottom support frame is by I-shaped
The frame structure that steel is welded, bottom support frame is provided with spacing collar；The pilot sleeve is inversion toroidal；Institute
The I-steel for stating bottom support frame is oriented to the column of assembling framework with top, the node bottom that head tree intersects is provided with reinforcement
Gusset；Wherein, transition ring flat-plate is also equipped with head tree；The spacing bearing of ball valve is provided with the I-steel of bottom support frame,
The spacing bearing of the ball valve is made up of right-angled intersection plate weld；The pipeline guiding trestle is by upper and lower half-watt clamp and bolt and nut
To connecting and composing, pipeline guiding trestle both sides are provided with reinforcement diagonal brace；The manifold process pipelines are provided with：Several Trunk Lines and with
The connected several by-pass lines of several Trunk Lines, manifold process pipelines are by metallurgical composite pipe, underwater tee joint, underwater flange, under water
Control valve is connected and composed；Wherein, one end of Trunk Line is connected with rigid submarine pipeline, and the other end of Trunk Line is used for temporarily clearly
Pipe；By-pass line is connected by underwater tee joint with Trunk Line；Two by-pass lines are connected by a underwater gate valve throttling with jumper pipe,
In addition, two by-pass lines are reserved by double gate valve cut-off.
2. assembled subsea manifold structure according to claim 1, it is characterised in that：An ox is provided with the column
Eye saddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276369.5A CN104060971B (en) | 2014-06-19 | 2014-06-19 | Assembly type underwater manifold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276369.5A CN104060971B (en) | 2014-06-19 | 2014-06-19 | Assembly type underwater manifold structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104060971A CN104060971A (en) | 2014-09-24 |
| CN104060971B true CN104060971B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410276369.5A Active CN104060971B (en) | 2014-06-19 | 2014-06-19 | Assembly type underwater manifold structure |
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| CN (1) | CN104060971B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064958B (en) * | 2015-07-31 | 2018-03-16 | 中国海洋石油总公司 | Vertical polylinker band fishing net protection subsea manifold |
| CN107313723A (en) * | 2017-07-21 | 2017-11-03 | 中国海洋石油总公司 | Slidingtype super large caliber subsea manifold |
| CN111236893B (en) * | 2020-01-02 | 2022-05-17 | 海洋石油工程股份有限公司 | Underwater production system expansion tie-back facility |
| CN111173479A (en) * | 2020-01-02 | 2020-05-19 | 海洋石油工程股份有限公司 | Underwater manifold of horizontal non-submersible connection integrated control system |
| CN111874790A (en) * | 2020-06-22 | 2020-11-03 | 海洋石油工程股份有限公司 | A stand up wet structure of depositing for vertical dredging pipe ware under water |
| CN113062708A (en) * | 2021-03-05 | 2021-07-02 | 海洋石油工程股份有限公司 | Underwater central manifold with control system |
| 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 |
| CN114198567A (en) * | 2021-12-17 | 2022-03-18 | 中海石油(中国)有限公司 | Wet-type protection jumper connection method for underwater oil and gas production under seabed mud surface |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398846A (en) * | 1981-03-23 | 1983-08-16 | Mobil Oil Corporation | Subsea riser manifold with structural spanning member for supporting production riser |
| CN102080520A (en) * | 2010-12-08 | 2011-06-01 | 中国海洋石油总公司 | Deepwater subsea manifold structure |
| CN102704888A (en) * | 2012-06-01 | 2012-10-03 | 中国海洋石油总公司 | Novel underwater manifold sledge |
| CN203570282U (en) * | 2013-07-26 | 2014-04-30 | 中海石油深海开发有限公司 | Deepwater underwater on-line piping system |
-
2014
- 2014-06-19 CN CN201410276369.5A patent/CN104060971B/en active Active
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| CN104060971A (en) | 2014-09-24 |
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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 NATIONAL OFFSHORE OIL Corp. 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 Corp. |
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Effective date of registration: 20240704 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Country or region after: China Patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Country or region before: China Patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. |