CN217681678U - High-pressure underwater manifold - Google Patents
High-pressure underwater manifold Download PDFInfo
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- CN217681678U CN217681678U CN202121966173.0U CN202121966173U CN217681678U CN 217681678 U CN217681678 U CN 217681678U CN 202121966173 U CN202121966173 U CN 202121966173U CN 217681678 U CN217681678 U CN 217681678U
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Abstract
The utility model discloses a high-pressure underwater manifold, which comprises a supporting component, a distribution component arranged on the supporting component and a production component arranged on the supporting component; the distribution assembly comprises a hydraulic distribution module, a voltage distribution module, a liquid flying line temporary position connected with the hydraulic distribution module, and an electric flying line temporary position connected with the voltage distribution module; the production assembly comprises a production pipeline for connecting pre-debugging equipment and a submarine pipeline, an underwater ball valve, a HIPPS system, an underwater temperature and pressure transmitter and at least one group of branch pipe components which are separated from the production pipeline and used for connecting a Christmas tree, wherein the HIPPS system is connected with the production pipeline, and the hydraulic distribution module and the voltage distribution module are connected with the HIPPS system. The utility model discloses the cost is reduced, the security performance has been promoted, the function of single well measurement and warm-pressing monitoring has been realized, the function of preventing the junk and preventing the fishing net has still been realized.
Description
Technical Field
The utility model relates to an offshore oil engineering technical field especially relates to a high pressure is manifold under water.
Background
As coastal and shallow water areas are depleted of reserve resources, deep water oil recovery and production becomes a challenge for the marine energy industry, and the recovery and production of marine oil and gas is also moving increasingly more rapidly towards deeper waters.
In recent years, with the development of science and technology, the development of ocean oil and gas is gradually transferred from an ocean platform to the development direction based on an underwater production system, and the underwater production system not only can improve the recovery rate and solve the problems of treatment and transportation of oil and gas well products, but also is less influenced by the sea level environment, can be suitable for the development of deep water or ultra-deep water oil and gas, and is concerned and developed vigorously.
The subsea manifold, which is an important component of a subsea production system, has a main function of collecting oil and gas from a plurality of production (gas) trees and transporting the collected oil and gas out to a subsea pipeline. However, the common underwater manifold only has the oil and gas gathering and transportation function, and needs to be equipped with an umbilical cable underwater terminal, a hydraulic distribution unit and other control and distribution systems, the cost of materials, construction, installation and the like is greatly increased due to the addition of underwater production facilities, and in order to be matched with the use of a high-pressure oil (gas) production tree, if the underwater production system adopts a full-pressure design, the redundancy of each facility in the system is increased, and the safety of the whole system is reduced without adopting the full-pressure design.
Therefore, it is urgently needed to develop a high-pressure underwater manifold facility with high integration, high safety performance and low cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to provide a high pressure manifold under water of high integration, security performance height and with low costs.
In order to solve the technical problem, the utility model provides a high-pressure underwater manifold, which comprises a supporting component, a distribution component arranged on the supporting component and a production component arranged on the supporting component; the distribution assembly comprises a hydraulic distribution module, a voltage distribution module, a liquid flying line temporary position connected with the hydraulic distribution module and an electric flying line temporary position connected with the voltage distribution module, and the hydraulic distribution module is connected with the voltage distribution module; the production assembly comprises a production pipeline for connecting pre-debugging equipment and a submarine pipeline, an underwater ball valve, a HIPPS system, an underwater temperature and pressure transmitter and at least one group of branch pipe components which are separated from the production pipeline and used for connecting a Christmas tree, wherein the HIPPS system is connected with the production pipeline, and the hydraulic distribution module and the voltage distribution module are connected with the HIPPS system.
Furthermore, the voltage distribution module and the electric flying wire temporary position are connected in a one-to-one correspondence manner.
Furthermore, the number of the underwater ball valves is three, two of the underwater ball valves, the HIPPS system, the underwater temperature and pressure transmitter and one of the underwater ball valves are sequentially arranged from one end of the production pipeline close to the pre-debugging device to the other end of the production pipeline.
Still further, the breakout component is disposed on the production line between the two subsea ball valves and the HIPPS system.
Furthermore, the pipe dividing component comprises a branch pipe line, and an underwater multiphase flow meter and an underwater gate valve which are sequentially arranged from one end of the branch pipe line connected with the Christmas tree to the other end of the branch pipe line.
Still further, the tube dividing member includes three.
Still further, the production line is disposed on the support assembly by a support clamp.
Furthermore, the supporting component is of a frame structure formed by welding H-shaped steel and a steel plate, apron plates are welded on the outer side of the H-shaped steel and the crossed H-shaped steel, a plurality of reinforcing rib plates are welded on the apron plates, and a plurality of water permeable holes are formed in the steel plate at intervals.
Furthermore, a protection assembly is further arranged on the support assembly, the protection assembly comprises a cover-shaped structure formed by welding seamless steel pipes and a grid arranged on the cover-shaped structure, and the cover-shaped structure is arranged around the distribution assembly and the production assembly.
Furthermore, the protection component is arranged on the support component through a butt joint upright post, and an operation opening or/and a turnover door are/is arranged on the cover-shaped structure.
Compared with the prior art, the utility model integrates the distribution component, thereby reducing the cost of materials, construction and installation which is increased by independently arranging the distribution component, and further reducing the cost; by integrating the HIPPS system, the downstream equipment of the underwater system with non-full-pressure design is effectively protected by temperature and pressure, and the safety performance of the underwater system is improved; through the design of the pipe distributing component, the functions of single-well metering and temperature and pressure monitoring are realized; through the design of the protective component, the functions of falling object prevention and fishing net prevention are realized; still through the design of controlgear and monitoring facilities in the production subassembly to can realize the observation and the control of valve through ROV and diver, and conveniently retrieve or install once more equipment.
Drawings
Fig. 1 is an overall structure schematic diagram of a high-pressure underwater manifold provided by an embodiment of the present invention.
Fig. 2 is a schematic view of a partial structure of a high-pressure underwater manifold provided by an embodiment of the present invention.
Fig. 3 the embodiment of the present invention provides a control system schematic diagram of a high-pressure underwater manifold.
Wherein, 1, supporting the assembly; 11. h-shaped steel; 12. a steel plate; 2. a dispensing assembly; 21. a hydraulic distribution module; 22. a voltage distribution module; 23. temporarily setting a liquid flying line; 24. an electric flying wire temporary position; 3. producing the component; 31. a production pipeline; 32. an underwater ball valve; 33. a HIPPS system; 34. underwater temperature and pressure transmitters; 35. a first interface; 36. a second interface; 37. a pipe dividing member; 371. a branch line; 372. an underwater multiphase flow meter; 373. an underwater gate valve; 374. a third interface; 4. a shield assembly.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The embodiment of the utility model provides a high pressure is manifold under water combines figure 1 to figure 3 to show, including supporting component 1, set up distribution assembly 2 on supporting component 1 and set up production subassembly 3 on supporting component 1.
Specifically, the supporting component 1 is a frame type structure formed by welding H-shaped steel 11 and steel plates 12, skirtboards are welded on the H-shaped steel 11 on the outer side and the crossed H-shaped steel 11, a plurality of reinforcing rib plates are welded on the skirtboards, and a plurality of water permeable holes are formed in the steel plates 12 at intervals. The supporting assembly 1 is designed according to geological conditions of a target installation area, the self weight of a manifold and the stress condition, and on the premise that the conditions are met, the supporting assembly is simple in construction process, convenient and fast to install and high in economic evaluation.
Wherein the steel plate 12 is arranged on the lower surface of the H-shaped steel 11; the apron board is arranged below the H-shaped steel 11, and the length of the apron board is set according to actual requirements; the number of the reinforcing rib plates is set according to actual requirements and is arranged on the outer side of the apron plate; the quantity of the holes of permeating water is set according to actual demand, can be used to reduce the installation and go into the produced power of beating in the district that splashes when water.
Specifically, the distribution assembly 2 includes a hydraulic distribution module 21 (HDM), a voltage distribution module 22 (EDM), a hydraulic flying lead temporary position 23 (HDM park) connected to the hydraulic distribution module 21, and an electric flying lead temporary position 24 (EDM park) connected to the voltage distribution module 22, and the hydraulic distribution module 21 is connected to the voltage distribution module 22.
The ocean platform is connected with the hydraulic distribution module 21 through an umbilical cable, and the umbilical cable conveys electric and chemical agents and the like of the platform to a manifold and then conveys the electric and chemical agents and the like to an oil (gas) production tree through a liquid flying line from the manifold. The umbilical cable connector is provided with a liquid flying lead connector, is connected to the voltage distribution module 22 of the manifold through an electric flying lead, and is connected to the oil (gas) production tree through another electric flying lead after distribution so as to realize power supply of the oil (gas) production tree. The electro-hydraulic flying leads are designed in a redundant mode, and the number of the electro-hydraulic flying leads is usually twice that of devices needing to be controlled.
In the present embodiment, the voltage distribution module 22 and the electrical flying lead temporary bits 24 are connected in a one-to-one correspondence.
Specifically, the production assembly 3 comprises a production pipeline 31 connecting the pre-commissioning device and the subsea pipeline, a subsea ball valve 32 disposed on the production pipeline 31, a HIPPS system 33 and a subsea temperature and pressure transmitter 34 (PPTT), and at least one set of tubing members 37 branched from the production pipeline 31 for connecting a christmas tree, the hydraulic distribution module 21 and the voltage distribution module 22 each being connected to the HIPPS system 33.
The HIPPS system 33 is suitable for high-pressure pipelines and can protect the integrity of equipment downstream of the production (gas) tree. Meanwhile, the HIPPS system 33 carries out temperature and pressure monitoring through the underwater temperature and pressure transmitter 34, once the temperature or the pressure exceeds an allowable value, the underwater temperature and pressure transmitter 34 sends a signal, and the HIPPS system 33 immediately starts a shut-off valve after receiving the signal, so that the effect of isolation protection is achieved. The shut-off valve and the subsea temperature and pressure transmitter 34 are both of redundant design and the shut-off valve is a hydraulic control valve.
The production pipeline 31 has a first interface 35 and a second interface 36 at its two ends, wherein the first interface 35 is used for connecting pre-commissioning equipment, and the second interface 36 is used for connecting a subsea pipeline.
In the present embodiment, there are three underwater ball valves 32, two underwater ball valves 32, the HIPPS system 33, the underwater temperature and pressure transmitter 34, and one underwater ball valve 32 are sequentially arranged from one end of the production pipeline 31 near the pre-debugging device to the other end. Of course, the subsea ball valve 32, the HIPPS system 33 and the subsea temperature and pressure transmitter 34 may be arranged on the production line 31 in other sequences according to the actual requirements.
Specifically, the production line 31 is disposed on the H-section steel 11 of the support assembly 1 by a support pipe clamp.
Specifically, the piping structure 37 includes a branch line 371, and a submerged multiphase flow meter 372 and a submerged gate valve 373 that are sequentially provided from one end of the production (gas) tree to the other end thereof by the branch line 371.
Specifically, the branch line 371 is also provided on the H-section steel 11 of the support member 1 via a support pipe clamp.
The underwater multiphase flow meter 372 is used for metering oil, gas and water of an underwater oil (gas) production tree. The end of the branch line 371 remote from the production line 31 is a third interface 374, the third interface 374 being for connection to a production tree.
In this embodiment, the piping member 37 includes three and is disposed on the production line 31 between the two subsea ball valves 32 and the HIPPS system 33. By arranging a plurality of branch pipe members 37, the functions of single-well metering and temperature and pressure monitoring can be realized.
Specifically, the support assembly 1 is further provided with a protection assembly 4, and the protection assembly 4 comprises a cover-shaped structure formed by welding seamless steel pipes and a grid arranged on the cover-shaped structure, and the cover-shaped structure is arranged around the distribution assembly 2 and the production assembly 3.
Specifically, the protection component 4 is arranged on the support component 1 through a butt joint upright post, and an operation opening or/and a turnover door are/is arranged on the cover-shaped structure. Wherein, the operation opening or/and the turnover door is/are used for recovering the equipment through an ROV and a diver, and the observation and the control of the valve are realized.
Specifically, an umbilical cable laid from an ocean platform is connected to the hydraulic distribution module 21 through a Cobra Head (CHA), so that electro-hydraulic input to the whole manifold is realized; the hydraulic distribution module 21 is provided with four output distribution ports, wherein three output distribution ports respectively realize the transportation of chemical agents of an oil (gas) production tree through three liquid flying lines (HFLs), and the fourth output distribution port realizes the hydraulic control of the HIPPS system 33 and the transportation of the chemical agents of the production pipeline 31; the hydraulic distribution module 21 is further provided with two power output distribution ports which are respectively connected with the two voltage distribution modules 22, so that power input to the whole manifold is realized.
Specifically, each voltage distribution module 22 (EDM) is equipped with four output distribution ports, wherein three output distribution ports are connected with three oil (gas) production trees through an Electric Fly Line (EFL) to realize power input to the oil (gas) production trees, and the fourth output distribution port is connected with the 8HIPPS system 33 through an Electric Fly Line (EFL) to realize power input to the HIPPS system 33; in addition, each of the three production (gas) trees is provided with an electric power output port, and is connected with the corresponding underwater multiphase flowmeter 372 through flying leads so as to realize electric power input to the underwater multiphase flowmeter 372.
Specifically, the production medium is conveyed in the following manner: production media obtained by three Christmas (gas) trees are respectively conveyed to the branch pipelines 371 through a jumper pipe, the underwater multiphase flow meter 372 on the branch pipelines 371 can realize the metering of the fluid conveying of the corresponding Christmas trees, and the underwater gate valve 373 can realize the control of opening or closing the branch pipelines 371. The three branch lines 371 each deliver the production medium to the production line 31 through a corresponding tee joint and further deliver the production medium to the oil and gas gathering and transportation equipment through the connected submarine pipelines. An underwater ball valve 32 in the production line 31 near the junction of the subsea pipeline can be used to control the opening or closing of the entire main pipe. The underwater temperature and pressure transmitter 34 behind the underwater ball valve 32 is used for monitoring the temperature and pressure changes of the production pipeline 31, once the temperature and pressure exceed the allowable range, an alarm is sent to the HIPPS system 33, the HIPPS system 33 sends an instruction, the production pipeline 31 is closed, and the production pipeline is opened again after the alarm is released. The production pipeline 31 is provided with two underwater ball valves 32 close to the pre-debugging equipment connecting port, so that double isolation from the external environment is realized, and the safety of the production pipeline 31 is ensured. The underwater ball valves 32 are normally closed, and when the production pipeline 31 is connected with pre-debugging equipment, the two underwater ball valves 32 are opened, so that the pre-debugging of the production pipeline 31 can be realized.
Specifically, all equipment can realize ROV control and diver's control, and keep certain interval between the equipment, can satisfy the requirement of retrieving and reinstalling to hydraulic pressure distribution module 21, power distribution module and 8HIPPS system 33.
Specifically, the protection component 4 and the support component 1 are installed in a split mode, the support component 1, the distribution component 2 and the production component 3 are installed integrally on land, then the protection component is installed to a seabed target position through four-point hoisting, the distribution component is connected with an electro-hydraulic flying line, a jumper pipe and the like, system debugging of a manifold and pre-debugging of a production pipeline 31 are carried out, and finally the protection structure is fixed on the support component 1 through a butt-joint stand column through the four-point hoisting, so that a whole body is formed.
Specifically, the side surface of the cover-shaped structure is partially provided with an opening, so that the access of an umbilical cable, a jumper pipe, a submarine pipeline and the like can be realized, an openable turnover door structure is arranged, and the access and pre-debugging operation of post-stage pre-debugging equipment can be realized. The top of the protective structure is provided with an openable turnover door structure with proper size at the positions of the hydraulic distribution module 21, the electric power distribution module and the HIPPS system 33, and the protective structure is closed at ordinary times and can realize the recovery or the reinstallation of the equipment when being opened. The top of the protective structure is provided with an operation opening with proper size at the corresponding position of the underwater ball valve 32 and the underwater gate valve 373, so that the observation and the opening and closing operation of the ROV or a diver on the valve indicator can be met.
Compared with the prior art, the utility model integrates the distribution component 2, thereby reducing the cost of materials, construction and installation which is increased by independently arranging the distribution component 2, and further reducing the cost; by integrating the HIPPS system 33, the downstream equipment of the underwater system with non-full-pressure design is effectively protected by temperature and pressure, and the safety performance of the underwater system is improved; through the design of the pipe distributing component 37, the functions of single-well metering and temperature and pressure monitoring are realized; through the design of the protective component 4, the functions of falling object prevention and fishing net prevention are realized; still through the design of controlgear and monitoring facilities in the production subassembly 3 to can realize the observation and the control of valve through ROV and diver, and conveniently retrieve or install once more equipment.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A high pressure subsea manifold, comprising: comprises a supporting component, a distributing component arranged on the supporting component and a producing component arranged on the supporting component;
the distribution assembly comprises a hydraulic distribution module, a voltage distribution module, a liquid flying line temporary position connected with the hydraulic distribution module and an electric flying line temporary position connected with the voltage distribution module, and the hydraulic distribution module is connected with the voltage distribution module;
the production assembly comprises a production pipeline for connecting pre-debugging equipment and a submarine pipeline, an underwater ball valve, a HIPPS system, an underwater temperature and pressure transmitter and at least one group of branch pipe components which are separated from the production pipeline and used for connecting a Christmas tree, wherein the HIPPS system is connected with the production pipeline, and the hydraulic distribution module and the voltage distribution module are connected with the HIPPS system.
2. The high pressure subsea manifold as recited in claim 1, wherein: the voltage distribution module and the electric flying wire temporary position are connected in a one-to-one correspondence mode.
3. The high pressure subsea manifold as recited in claim 1, wherein: the number of the underwater ball valves is three, and the two underwater ball valves, the HIPPS system, the underwater temperature and pressure transmitter and the underwater ball valve are sequentially arranged from one end, close to the pre-debugging device, of the production pipeline to the other end.
4. The high pressure subsea manifold as recited in claim 1, wherein: the piping member is disposed on the production line between the two subsea ball valves and the HIPPS system.
5. The high pressure subsea manifold according to any of claims 1-4, wherein: the branch pipe component comprises a branch pipe line, and an underwater multiphase flowmeter and an underwater gate valve which are sequentially arranged from one end of the branch pipe line to the other end of the branch pipe line, wherein the branch pipe line is connected with the Christmas tree.
6. The high pressure subsea manifold as set forth in claim 5, wherein: the tube dividing component comprises three tubes.
7. The high pressure subsea manifold as recited in claim 1, wherein: the production pipeline is arranged on the supporting component through a supporting pipe clamp.
8. The high pressure subsea manifold as recited in claim 1, wherein: the supporting component is of a frame structure formed by welding H-shaped steel and steel plates, the H-shaped steel and the steel plates are intersected, apron plates are welded on the H-shaped steel, a plurality of reinforcing rib plates are welded on the apron plates, and a plurality of water permeable holes are formed in the steel plates at intervals.
9. The high pressure subsea manifold as set forth in claim 1, wherein: still be provided with the protection subassembly on the supporting component, the protection subassembly includes the cover shape structure that is formed by seamless steel pipe welding and sets up grid on the cover shape structure, the cover shape structure encircles the distribution subassembly with the production subassembly sets up.
10. The high pressure subsea manifold as set forth in claim 9, wherein: the protection assembly is arranged on the support assembly through a butt joint upright post, and an operation opening or/and a turnover door are/is arranged on the cover-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966173.0U CN217681678U (en) | 2021-08-20 | 2021-08-20 | High-pressure underwater manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966173.0U CN217681678U (en) | 2021-08-20 | 2021-08-20 | High-pressure underwater manifold |
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| Publication Number | Publication Date |
|---|---|
| CN217681678U true CN217681678U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121966173.0U Active CN217681678U (en) | 2021-08-20 | 2021-08-20 | High-pressure underwater manifold |
Country Status (1)
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|---|---|
| CN (1) | CN217681678U (en) |
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2021
- 2021-08-20 CN CN202121966173.0U patent/CN217681678U/en active Active
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