CN111173479A - Underwater manifold of horizontal non-submersible connection integrated control system - Google Patents
Underwater manifold of horizontal non-submersible connection integrated control system Download PDFInfo
- Publication number
- CN111173479A CN111173479A CN202010003216.9A CN202010003216A CN111173479A CN 111173479 A CN111173479 A CN 111173479A CN 202010003216 A CN202010003216 A CN 202010003216A CN 111173479 A CN111173479 A CN 111173479A
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- manifold
- underwater
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- pipeline
- manifold module
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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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/013—Connecting a production flow line to an underwater well head
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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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
- E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
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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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an underwater manifold of a horizontal submersible connection-free integrated control system, which comprises an anti-sinking plate foundation structure, a manifold module structure and a manifold module protection structure, wherein the manifold structure is arranged on the anti-sinking plate foundation structure, the manifold module protection structure covers the manifold structure, and the manifold module protection structure is fixedly connected with the anti-sinking plate foundation structure.
Description
Technical Field
The invention relates to the technical field of marine petroleum engineering, in particular to an underwater manifold of a horizontal submersible connection-free integrated control system.
Background
With the development of oil and gas resources in China gradually moving to deep water and marginal oil and gas fields, underwater production systems are also widely applied and are key to the development and production of marine oil and gas in the future. The subsea manifold is an important component of a subsea production system, and has a main function of collecting oil and gas from a plurality of christmas trees and outputting the collected oil and gas to a subsea pipeline. The underwater manifold with the control system is often limited by the crane capacity of a construction ship, and the underwater control module and the underwater manifold need to be respectively sledded, hoisted separately and connected through an electric flying line and a liquid flying line at the seabed. In addition, the underwater manifold also separately manufactures the anti-sinking plate, the manifold module and the protection structure, and respectively carries out offshore hoisting. Thus, the difficulty and the interface of underwater construction are increased, and the offshore construction cost is also increased. With the continuous enhancement of the crane capacity of the ship resource of China, the condition for integrating the control system into the underwater manifold is provided.
Disclosure of Invention
The present invention is intended to solve the above technical problems to some extent.
In view of the above, the invention provides an underwater manifold of a horizontal submersible connection-free integrated control system, which integrates an anti-sinking plate foundation structure, a manifold module structure and a manifold module protection structure, can be installed below after being hoisted, improves the offshore installation efficiency, and reduces the construction cost.
In order to solve the technical problem, the invention provides an underwater manifold of a horizontal submersible-connection-free integrated control system, which comprises an anti-sinking plate foundation structure, a manifold module structure and a manifold module protection structure, wherein the manifold structure is fixed on the anti-sinking plate foundation structure, the manifold module protection structure covers the manifold structure, and the manifold module protection structure is fixedly connected with the anti-sinking plate foundation structure.
Further, manifold modular structure includes the pipeline module, the pipeline module includes U type main line, installs the test pipeline of flowmeter, a plurality of measurement lateral pipeline and a plurality of production lateral pipeline, the bending section intercommunication of U type main line has the test pipeline, the test pipeline intercommunication has a plurality ofly the measurement lateral pipeline, the straightway intercommunication that the U type was responsible for has a plurality ofly the production lateral pipeline, the production lateral pipeline with the setting of measurement lateral pipeline one-to-one, just the production lateral wall intercommunication of lateral pipeline the measurement lateral pipeline.
Furthermore, each metering branch pipeline and each production branch pipeline are provided with an underwater valve.
Furthermore, the manifold modular structure further comprises an underwater router and an underwater control module which are fixedly connected with the anti-sinking plate foundation structure, the underwater router is in signal connection with the underwater control module, and the underwater control module is in signal connection with each underwater valve.
Furthermore, both ends of the U-shaped main pipeline are connected with main pipeline connectors, and the end part of each production branch pipeline is connected with a production branch pipeline connector.
Furthermore, an underwater multipath hydraulic connector is arranged above the underwater gate valve of the production branch pipeline, an umbilical cable terminal connector is arranged above the underwater gate valve of the test pipeline, and the underwater multipath hydraulic connector and the umbilical cable terminal connector are fixedly connected with the manifold module structure.
Further, manifold modular structure protection architecture includes the rectangle cover body, the rectangle cover body includes four manifold modular structure stands, a plurality of fender beam and top protection architecture, four manifold modular structure stands are four rectangular summits and set up, and are adjacent manifold modular structure stand is connected with fender beam, four manifold modular structure stand top is connected top protection architecture.
Furthermore, the manifold module protection structure further comprises four bow-shaped fishing net protection frames, the four bow-shaped fishing net protection frames are fixed outside the rectangular cover body, and the four bow-shaped fishing net protection frames are fixedly connected with the four manifold module structure stand columns in a one-to-one correspondence manner.
Furthermore, the outside of the manifold module protection structure is rotatably connected with four turnover door structures.
The invention has the technical effects that: (1) the functions of collecting and outputting the underwater manifold and measuring the single well are realized.
(2) The integrated system is also provided with a protective frame for preventing the fishing net from being dragged, so that the integrated system can be in service in a fishery activity area.
Drawings
FIG. 1 is a perspective view of a subsea manifold of a horizontal submersible connectionless integrated control system according to the present invention;
FIG. 2 is a perspective view of a manifold module configuration of a horizontal submersible joint-less integrated control system according to the present invention;
FIG. 3 is a top view of a manifold module configuration of a horizontal submersible joint-less integrated control system according to the present invention;
FIG. 4 is a schematic diagram of the connection of a U-shaped main pipeline, a test pipeline, a plurality of metering branch pipelines, and a plurality of production branch pipelines according to the present invention;
FIG. 5 is a perspective view of manifold module protection of a horizontal submersible joint-less integrated control system according to the present invention;
fig. 6 is a perspective view of a tilt door structure of a horizontal non-submerged junction integrated control system according to the present invention.
Wherein, 1-an anti-sinking plate foundation structure; 2-manifold module structure; 3-a pipeline module; 4-underwater multi-path hydraulic joint; 5-a fishing net protection structure; 6-a turnover door structure; 7-manifold module protection architecture; 8-hoisting points; 9-an underwater control module; 10-underwater router; 11-umbilical termination fitting; 12-a metering branch line; 13-production branch lines; 14-an underwater control module base; 15-U type main pipeline; 16-a flow meter; 17-a test line; 18-a first reducing tee; 19-a main pipe connector; 20-underwater shutoff ball valves; 21-a third submerged gate valve; 22-third bend; 23-a bronchial connector; 24-a first straight tube section; 25-a first constant diameter tee; 26-a first bend; 27-underwater valve extension mechanism; 28-a second reducing tee; 29-a second bend; 30-a second straight tube section; 31-a first submerged gate valve; 32-second equant tee; 33-a second submerged gate valve; 34-long side protection structure; 35-short edge protection structure; 36-a fishing net protection frame; 37-a top protective structure; 38-manifold modular structural uprights; 39-long side turnover door; 40-a transverse bar member; 41-longitudinal rod member; 42-short edge flip door.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 and fig. 2, an underwater manifold (hereinafter referred to as the present device) of a horizontal submersible connection-free integrated control system includes an anti-sinking plate foundation structure 1, a manifold module structure 2 and a manifold module protection structure 7, wherein the anti-sinking plate foundation structure 1 is fixed with the manifold structure, the manifold module protection structure 7 covers the manifold structure, and the manifold module protection structure 7 is fixedly connected with the anti-sinking plate foundation structure 1.
According to the embodiment of the invention, the anti-sinking plate foundation structure 1, the manifold module structure 2 and the manifold module protection structure 7 are integrated into a whole, so that the underwater manifold can be installed by being lowered after hoisting is completed, the offshore installation efficiency is improved, and the construction cost is reduced.
As shown in fig. 1, 2 and 4, the manifold module structure 2 includes a pipeline module 3, the pipeline module 3 includes a U-shaped main pipeline 15, a test pipeline 17 provided with a flow meter 16, a plurality of measuring branch pipelines 12 and a plurality of production branch pipelines 13, a bent section of the U-shaped main pipeline 15 is communicated with the test pipeline 17, the test pipeline 17 is communicated with the plurality of measuring branch pipelines 12, a straight section of the U-shaped main pipeline is communicated with the plurality of production branch pipelines 13, the production branch pipelines 13 and the measuring branch pipelines 12 are arranged in a one-to-one correspondence manner, and side walls of the production branch pipelines 13 are communicated with the measuring branch pipelines 12.
Specifically, each metering branch line 12 and each production branch line 13 are provided with a subsea valve.
According to the specific embodiment of the present invention, during normal operation, the underwater valve of the metering branch line 12 is closed, both ends of the U-shaped main line 15 are communicated with the subsea pipeline, so as to realize the intercommunication of the subsea pipeline, each production branch line 13 is communicated with the oil outlet of a christmas tree (not shown in the figure), oil output by the christmas tree enters the U-shaped main line 15 through the production branch line 13, and then enters the subsea pipeline through both ends of the U-shaped main line 15;
when the flow of the U-shaped main pipeline 15 needs to be measured, the underwater valve of the U-shaped main pipeline 15 is closed when the petroleum in the production branch pipeline 13 enters, the underwater valve of the measuring branch pipeline 12 is opened, the petroleum output by the Christmas tree enters the measuring branch pipeline 12 from the production branch pipeline 13, then enters the testing pipeline 17 from the measuring branch pipeline 12, and the flow meter 16 of the testing pipeline 17 measures the flow value.
When the U-shaped main pipeline 15 needs to be pigged, the underwater valves of the measuring branch pipeline 12 and the production branch pipeline 13 are closed, a pigging ball enters one end of the U-shaped main pipeline 15 from the submarine pipeline and is discharged from the other end of the U-shaped main pipeline 15, and installation ports of pigging emitters are reduced.
Specifically, there are eight production branch lines 13 and eight corresponding metering branch lines 12.
In addition, the installation of the manifold module structure 2 with the subsea pipeline supports submerged connection and remote operation.
According to the specific embodiment of the invention, the production branch pipeline 13 is sequentially communicated by a first straight pipe section 24, a first reducing tee 25, a first underwater gate valve 31 and a first elbow 26, wherein one end of the production branch pipeline 13 is communicated with the U-shaped main pipeline 15 through a second reducing underwater tee 28, and the other end of the production branch pipeline 13 is connected with an oil outlet of a Christmas tree through a jumper pipe externally connected with a branch pipe connector 23; the metering branch pipeline 12 is sequentially communicated with the second elbow 29, the second straight pipe section 30 and the second underwater gate valve 33, one end of the metering branch pipeline 12 is connected with the production branch pipeline 13 through the first equal-diameter underwater tee 25, and the other end of the metering branch pipeline 12 is connected with the test pipeline 17 through the second equal-diameter underwater tee 32.
According to the specific embodiment of the invention, one end of a test pipeline 17 is connected with a U-shaped main pipeline 15 through a first reducing tee 18, one end of the test pipeline 17 is connected with a metering branch pipeline 12 through a third elbow 22, and a third underwater gate valve 21 is installed on the test pipeline 17;
as shown in fig. 2, the manifold module structure further includes an underwater router 10 and an underwater control module 9 of the anti-sinking plate infrastructure, which are fixedly connected, the underwater router 10 is in signal connection with the underwater control module 9, and the underwater control module 9 is in signal connection, so that single well metering is realized.
According to the specific embodiment of the invention, the underwater router 10 converts the optical signal sent by the central control system into an electrical signal and sends the electrical signal to the underwater control module 9, and the underwater control module 9 sends the signal to the underwater valve so as to control the underwater valve.
Specifically, the underwater control module 9 is connected with the anti-sinking plate foundation structure 1 through an underwater control module base 14, so that the underwater control module 9 can be independently recovered.
As shown in fig. 2 and 3, a main pipe connector 19 is connected to both ends of the U-shaped main pipe line 15, and a production branch pipe connector 23 is connected to an end of each production branch pipe line 13.
According to a particular embodiment of the invention, the U-shaped main line 15 communicates with the subsea conduit through a main line connector 19, and each production branch line 13 communicates with an oil outlet of a christmas tree (not shown in the figures) through a production branch line connector 23.
As shown in fig. 2, an underwater multipath hydraulic joint 4 is arranged above the underwater gate valve of the production branch pipeline 13, an umbilical terminal joint 11 is arranged above the underwater gate valve of the test pipeline 17, and both the underwater multipath hydraulic joint 4 and the umbilical terminal joint 11 are fixedly connected with the manifold module structure 2.
The jumper pipe has the advantages of low height, convenient recovery, good flow guarantee, and better prevention of hydrate generation and fishing net dragging.
Specifically, the underwater multi-path hydraulic joint 4 is fixedly connected with the manifold module structure 2 through an underwater valve extension mechanism 27;
as shown in fig. 1 and 5, the manifold module protection structure 7 includes a rectangular cover body, the rectangular cover body includes four manifold module structure columns 38, a plurality of protection rods and a top protection structure 37, the four manifold module structure columns 38 are arranged at four rectangular vertexes, the adjacent manifold module structure 2 columns are connected with the protection rods, the top protection structure 37 is connected at the tops of the four manifold module structure columns 38, and the manifold module structure 2 is prevented from being impacted by falling objects and fishing nets.
Specifically, the plurality of protection rods are divided into two long-side protection knot rods 34 and two short-side protection knot rods 35;
specifically, lifting points 8 are installed at the top ends of four manifold module structure stand columns 38, lifting equipment for installing ships is used for lowering the equipment to a seabed target area through the lifting points 8, and the equipment penetrates into seabed soil through the self weight of the equipment.
As shown in fig. 1 and 5, the manifold module protection structure further comprises a fishing net protection structure 5, the fishing net protection structure 5 is four arc-shaped fishing net protection frames 35, the four arc-shaped fishing net protection frames 35 are fixed outside the rectangular cover body, and the four arc-shaped fishing net protection frames 35 are fixedly connected with the four manifold module structure stand columns 38 in a one-to-one correspondence manner.
As shown in fig. 1 and 6, the manifold module protection structure is externally and rotatably connected with four turnover door structures 6.
In particular, the four turnover door structures 6 are each composed of a transverse bar 40 and a longitudinal bar 41.
Specifically, the four-flap-door structure 6 includes two long-side flap doors 39 and two short-side flap doors 42.
As shown in fig. 3, the U-shaped main line 15 is provided with two underwater shutoff ball valves 20, and the two underwater shutoff ball valves 20 are respectively disposed near both ends of the U-shaped main line 15.
According to the specific embodiment of the invention, the underwater shutoff ball valve 20 is also in signal connection with the underwater control module 9 to realize remote control.
It should be noted that the equipment is suitable for the environment condition of the typical sea area in the south sea with the water depth of 750m, and can be used for the development of high-temperature and high-pressure oil and gas fields.
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. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. The underwater manifold is characterized by comprising an anti-sinking plate foundation structure, a manifold module structure and a manifold module protection structure, wherein the anti-sinking plate foundation structure is provided with the manifold structure, the manifold module protection structure covers the outside of the manifold structure, and the manifold module protection structure is fixedly connected with the anti-sinking plate foundation structure.
2. The underwater manifold of the horizontal submersible connection-free integrated control system according to claim 1, wherein the manifold module structure comprises a pipeline module, the pipeline module comprises a U-shaped main pipeline, a test pipeline provided with a flowmeter, a plurality of metering branch pipelines and a plurality of production branch pipelines, a bent section of the U-shaped main pipeline is communicated with the test pipeline, the test pipeline is communicated with the plurality of metering branch pipelines, a straight section of the U-shaped main pipeline is communicated with the plurality of production branch pipelines, the production branch pipelines and the metering branch pipelines are arranged in a one-to-one correspondence manner, and side walls of the production branch pipelines are communicated with the metering branch pipelines.
3. The subsea manifold for a horizontal submersible joint-less integrated control system according to claim 2, wherein the manifold module structure further comprises a subsea control module, and a subsea valve is installed on each of the metering branch lines and each of the production branch lines.
4. The subsea manifold of claim 3, wherein the manifold module further comprises an underwater router and an underwater control module, the underwater router is connected to the underwater control module via signals, and the underwater control module is connected to each underwater valve via signals.
5. The subsea manifold for a horizontal submersible joint-less integrated control system according to claim 2, wherein a main pipe connector is connected to each end of the U-shaped main pipe, and a production branch pipe connector is connected to each end of the production branch pipe.
6. The underwater manifold of the horizontal submersible connection-free integrated control system according to claim 2, wherein an underwater multipath hydraulic connector is arranged above the underwater gate valve of the production branch pipeline, an umbilical cable terminal connector is arranged above the underwater gate valve of the test pipeline, and the underwater multipath hydraulic connector and the umbilical cable terminal connector are both fixedly connected with the manifold module structure.
7. The subsea manifold of claim 1, wherein the manifold module protection structure comprises a rectangular housing comprising four manifold module structure columns, a plurality of guard bars, and a top protection structure, wherein four manifold module structure columns are arranged at four vertices of a rectangle, the guard bars are connected to adjacent manifold module structure columns, and the top protection structure is connected to the tops of the four manifold module structure columns.
8. The underwater manifold of the horizontal submersible connection-free integrated control system according to claim 7, wherein the manifold module protection structure further comprises four arched fishing net protection frames, the four arched fishing net protection frames are fixed outside the rectangular cover body, and the four arched fishing net protection frames are fixedly connected with the four manifold module structure stand columns in a one-to-one correspondence manner.
9. The subsea manifold of claim 7, wherein the manifold module protection structure is externally and rotatably connected with four turnover door structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003216.9A CN111173479A (en) | 2020-01-02 | 2020-01-02 | Underwater manifold of horizontal non-submersible connection integrated control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003216.9A CN111173479A (en) | 2020-01-02 | 2020-01-02 | Underwater manifold of horizontal non-submersible connection integrated control system |
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| CN111173479A true CN111173479A (en) | 2020-05-19 |
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| CN202010003216.9A Pending CN111173479A (en) | 2020-01-02 | 2020-01-02 | Underwater manifold of horizontal non-submersible connection integrated control system |
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Cited By (6)
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| CN112065805A (en) * | 2020-10-12 | 2020-12-11 | 中国海洋石油集团有限公司 | Hydraulic system of underwater control module and control method |
| 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 |
| CN113153234A (en) * | 2021-03-26 | 2021-07-23 | 海洋石油工程股份有限公司 | Underwater production device with available ROV (remote operated vehicle) recovery module |
| WO2022128157A1 (en) * | 2020-12-15 | 2022-06-23 | Vetco Gray Scandinavia As | Compact dual header manifold layout |
| CN115306804A (en) * | 2022-04-01 | 2022-11-08 | 北玻院(滕州)复合材料有限公司 | Glass fiber reinforced plastic lower protective cover capable of being assembled quickly |
| CN118653806A (en) * | 2024-06-27 | 2024-09-17 | 中海石油(中国)有限公司上海分公司 | An underwater oil and gas production device |
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Application publication date: 20200519 |