CN115118657A - Routing module for seabed oil and gas operation - Google Patents
Routing module for seabed oil and gas operation Download PDFInfo
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- CN115118657A CN115118657A CN202210687846.1A CN202210687846A CN115118657A CN 115118657 A CN115118657 A CN 115118657A CN 202210687846 A CN202210687846 A CN 202210687846A CN 115118657 A CN115118657 A CN 115118657A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/60—Router architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/04—Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
- H04Q1/114—Protection against environment flooding protection, e.g. using water proof provision
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention relates to a routing module for subsea oil and gas operations, the routing module comprising: the base comprises an upper shell and a lower shell, and a sealed cavity is formed after the upper shell and the lower shell are hermetically connected; the sealed cavity comprises a main cavity and at least two sub-cavities communicated with the main cavity, underwater electronic modules are arranged in the sub-cavities, and each underwater electronic module is connected with the photoelectric signal of the offshore equipment and/or the submarine equipment through a plurality of dry and wet joints arranged at the top of the upper shell and is used for acquiring underwater environment data and realizing communication and data exchange between the offshore equipment and the submarine equipment; the first positioning guide sleeve and the second positioning guide sleeve are positioned on two sides of the base and are vertically and downwards arranged relative to the base. The routing module has the advantages of simple and small structure and low comprehensive cost, and can be widely applied to the field of underwater production.
Description
Technical Field
The invention relates to the field of underwater oil and gas production, in particular to a routing module for seabed oil and gas operation.
Background
Subsea oil and gas operations necessitate the use of subsea production systems, generally divided into two parts: an above-water control system and an underwater control system. The overwater control system is positioned on an upper platform or a land terminal and mainly comprises a main control station, an electric power and communication unit and a hydraulic power unit, and the overwater control system is mainly used for providing electric power and hydraulic power for the whole underwater control system and is also used for operating control logic and data acquisition of the whole oil and gas field. The underwater Control system is located underwater and mainly comprises an underwater Control module SCM (sub Control module), an underwater Christmas tree (equipment for controlling and adjusting oil well production), a manifold (a combination of underwater pipelines), sensors and valves of other underwater facilities and the like. The water control system is connected with the underwater control system through an umbilical cable to complete the integration of the whole underwater production system, thereby realizing the control, monitoring and data acquisition of the whole underwater production system and ensuring the safety of the underwater oil-gas field.
However, in the current seabed oil and gas operation, the underwater control system module is large in size and complex in function, so that the whole lowering equipment and installation equipment are relatively complex and high in cost.
Disclosure of Invention
In view of the above problems, the present invention provides a routing module for subsea oil and gas operations, which simplifies the design of the internal mechanism of the subsea control system, and further simplifies and miniaturizes the entire supporting lowering and installation equipment, thereby reducing the overall cost.
In order to realize the purpose, the invention adopts the following technical scheme:
a routing module for subsea oil and gas operations, comprising:
the base comprises an upper shell and a lower shell, and a sealed cavity is formed after the upper shell and the lower shell are hermetically connected; the sealed cavity comprises a main cavity and at least two sub-cavities communicated with the main cavity, underwater electronic modules are arranged in the sub-cavities, and each underwater electronic module is connected with the photoelectric signal of the offshore equipment and/or the submarine equipment through a plurality of dry and wet joints arranged at the top of the upper shell and is used for acquiring underwater environment data and realizing communication and data exchange between the offshore equipment and the submarine equipment; the first positioning guide sleeve and the second positioning guide sleeve are positioned on two sides of the base and are vertically and downwards arranged relative to the base.
Further, the sub cavity is for following the space that the diapire of casing downward protrusion and formed down, just the diapire of sub cavity is the back taper face, the back taper face inboard is provided with the electrical interface for form the electricity with the underwater electronic module who sets up in it and connect.
Furthermore, a pressure compensator cavity is formed in the bottom wall of the lower shell between the two sub-cavities, and at least two sets of pressure compensators are arranged in the pressure compensator cavity and used for keeping the pressure in the sealed cavity at normal pressure on the seabed.
Furthermore, the central axes of the two sub-cavities, the pressure compensator cavity, the first positioning guide sleeve and the second positioning guide sleeve form a straight line arrangement.
Further, the sealed cavity is filled with a liquid insulating medium.
Furthermore, the top ends of the first positioning guide sleeve and the second positioning guide sleeve are provided with connecting rings for connecting hoisting cables when the routing module is placed under the seabed; first location guide sleeve and second location guide sleeve bottom set up the loudspeaker port, the inner wall of loudspeaker port evenly sets up a plurality of elastic clips.
Further, a cathode protection block for protecting the base from corrosion is arranged on the base.
Furthermore, the upper shell and the lower shell are made of metal materials and coated with anticorrosive materials.
Further, the wet-dry joint comprises: one or more of a wet fiber optic connector, a wet electrical connector, a DSL connector, and an Ethernet interface.
Further, the upper shell is a rectangular cover plate, and the dry and wet connectors on the top of the upper shell are arranged in a rectangular array.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. according to the routing module for seabed oil and gas operation, provided by the embodiment of the invention, through arranging the independent underwater routing module, partial functions of the original underwater control module are shared, the whole underwater data acquisition efficiency is improved, the internal mechanism design of the underwater control module is simplified, and the whole matched lowering system and mounting system are simplified and miniaturized, so that the whole cost is reduced;
2. in the embodiment, the central axes of the neutron cavity, the pressure compensator cavity, the first positioning guide sleeve and the second positioning guide sleeve form a rough straight-line arrangement, and the base can contain the sub-cavity and the pressure compensator cavity by using a smaller space due to the straight-line arrangement, so that a foundation is provided for reducing the volume of the base;
3. in the embodiment, at least two sub-cavities are arranged in a sealed cavity in the routing module and are respectively provided with an underwater electronic module, when one underwater electronic module breaks down, the other underwater electronic module can also complete the work, so that the working safety and stability of the routing module are enhanced;
4. in this embodiment, the pressure compensator in the pressure compensator chamber in the routing module is also provided with redundancy, so as to further ensure the safety of the operation of the routing module;
therefore, the invention can be widely applied to the field of underwater oil and gas production.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic perspective view of a routing module for subsea oil and gas operations according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the routing module for subsea hydrocarbon operations shown in FIG. 1;
FIG. 3 is a cross-sectional view of the routing module for subsea hydrocarbon operations shown in FIG. 2 in the direction C-C;
fig. 4 is a bottom view of the routing module for subsea hydrocarbon operations shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present application, terms for determining the scheme and the relative position such as up, down, top, bottom, inside, outside, etc. are defined with the normal installation and use position of the routing module as a reference position.
The underwater routing module SRM (sub Router module) is used as a switching module for transmitting communication information between the water surface and underwater equipment and is arranged on the manifold.
The underwater routing module in the prior art is connected with a seabed connecting base and hoisted during lowering by adopting a center single-point locking mode, so that other modules or parts can only be arranged around the periphery of a center single-point locking device, the volume of the routing module is large, the effective utilization space of the interior and the top of the routing module is limited, the space requirement can be met only by increasing the whole volume, the volumes of the installation base and the hoisting auxiliary equipment on the seabed are further increased synchronously, the whole cost of the routing module and peripheral auxiliary equipment is very high, lowering installation must depend on manual assistance, and the threshold and cost of lowering installation are further improved. The invention provides an innovative structural layout on the whole and solves the problems in the prior art.
Some embodiments of the present invention provide a routing module for subsea oil and gas operations, comprising: the base comprises an upper shell and a lower shell, and a sealed cavity is formed after the upper shell and the lower shell are hermetically connected; the sealed cavity comprises a main cavity and at least two sub-cavities communicated with the main cavity, underwater electronic modules are arranged in the sub-cavities, and each underwater electronic module is connected with photoelectric signals of the offshore equipment and/or the subsea equipment through a plurality of dry and wet joints arranged on the top of the upper shell and is used for collecting underwater environment data and realizing communication and data exchange between the offshore equipment and the subsea equipment; the first positioning guide sleeve and the second positioning guide sleeve are positioned on two sides of the base and are vertically and downwards arranged relative to the base. According to the routing module for seabed oil and gas operation, provided by the embodiment of the invention, through arranging the independent underwater routing module, partial functions of the original underwater control module are shared, the whole underwater data acquisition efficiency is improved, the internal mechanism design of the underwater control module is simplified, and the whole matched lowering system and mounting system are simplified and miniaturized, so that the whole cost is reduced.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a routing module for subsea oil and gas operations, which includes:
the base comprises an upper shell 10 and a lower shell 20, and the upper shell 10 and the lower shell 20 are connected in a sealing way, so that a sealed cavity is formed in the base; the sealed cavity comprises a main cavity 25 and at least two sub cavities 21 communicated with the main cavity 25, wherein an underwater electronic module is arranged in each sub cavity 21, and each underwater electronic module is connected with photoelectric signals of offshore equipment and/or submarine equipment through a plurality of dry and wet joints 11 arranged at the top of an upper shell 10 so as to acquire underwater environment data and realize communication and data exchange between the offshore equipment and the submarine equipment;
a first positioning guide sleeve 30 and a second positioning guide sleeve 31 are positioned on both sides of the base and vertically downward relative to the base.
Preferably, the sealed cavity is filled with an insulating liquid medium, such as transformer oil.
Preferably, the upper case 10 and the lower case 20 are made of a pressure-resistant metal material and coated with an anticorrosive material. The upper case 10 and the lower case 20 may be made of, for example, carbon steel, and painted after being welded and formed.
Preferably, the upper case 10 is a rectangular cover plate, and the wet and dry joints 11 at the top thereof are arranged in a rectangular array.
Preferably, the wet and dry joint 11 comprises: one or more of wet optical fiber communication joint, wet electric joint, DSL joint, ethernet interface provides the hardware basis for route module realizes signal connection and electricity connection. The underwater wet type electric connector and the underwater wet type optical connector socket which are configured on the routing module can not only ensure that the static sealing of the self part is realized, but also realize the matched dynamic sealing in the inserting/pulling-out process of the external connector.
Preferably, the two sub-cavities 21 are spaces formed to protrude downward along the bottom wall of the lower case 20.
More preferably, as shown in fig. 3, the two sub-cavities 21 are cylindrical spaces formed by downwardly protruding along the bottom wall of the lower housing 20, and the bottom surfaces of the cylindrical spaces are reverse tapered, and the inner sides of the reverse tapered surfaces are provided with hole-shaped electrical interfaces for forming electrical connection and stable support with the underwater electronic module arranged therein.
Preferably, as shown in fig. 1, 2 and 4, the bottom wall of the lower housing 20 between the two sub-cavities 21 further forms a pressure compensator chamber 22, in which at least one pressure compensator 23 is disposed, for maintaining the pressure in the sealed cavity 25 of the base at the normal pressure on the seabed. In this embodiment, at least two sets of pressure compensators 23 are provided in the pressure compensator cavity 22, so that when the internal pressure of the seal cavity 25 fluctuates or one pressure compensator fails, the dynamic pressure balance can be still performed rapidly and stably, and the performance of the equipment is not affected.
The pressure compensator 23 is a capsule, which is a mechanism with an interior communicated with the interior of the routing module (i.e., a sealed cavity) and an exterior contacting with seawater. Before the routing module is transferred, insulating liquid medium is filled into the sealing cavity of the routing module, the pressure compensator 23 is filled with the insulating liquid medium, and external water pressure is transmitted to internal oil liquid through the extrusion capsule when the routing module is transferred to the seabed, so that the internal external pressure in the shell of the routing module is kept balanced, and the shell is prevented from being deformed by unilateral pressure.
Particularly, if the water depth compensation device is not added, the base needs to be reinforced, the thickness of the shell is increased, the SRM box needs to be widened to ensure the installation space of internal components, a larger manifold using area is occupied, and resources are wasted.
Preferably, the underwater electronics module comprises: one or more of a DSL module, a controller module, a 24VDC switching power supply, a transformer, a fiber switch, a temperature sensor, a pressure sensor, a water leak sensor.
Preferably, the top ends of the first positioning and guiding sleeve 30 and the second positioning and guiding sleeve 31 are provided with connection rings for connecting hoisting cables when lowering the routing module into the seabed.
Preferably, as shown in fig. 3, the first and second positioning guide sleeves 30 and 31 have a cylindrical hollow structure.
Preferably, as shown in fig. 4, the bottom ends of the first positioning guide sleeve 30 and the second positioning guide sleeve 31 are provided with trumpet ports 32, so that the first positioning guide sleeve 30 and the second positioning guide sleeve 31 are more convenient to connect with the seabed fixing device; the inner wall of the horn port 32 is uniformly provided with a plurality of elastic clips 33, and the number of the elastic clips can be set to be 2, 4 or 6.
Preferably, as shown in fig. 3 and 4, the central axes of the two sub-cavities 21, the pressure compensator chamber 22, the first positioning guide sleeve 30 and the second positioning guide sleeve 31 form a substantially in-line arrangement. The in-line arrangement enables the base to use a smaller space to accommodate the sub-cavity 21 and the pressure compensator cavity 22, and provides a foundation for reducing the volume of the base.
Preferably, as shown in fig. 1, the base is further provided with a plurality of cathode protection blocks 50, for example, at least one cathode protection block 50 is respectively arranged on the front and the back of the lower housing 20 of the routing module 100. After the direct current is applied to the base, the cathode protection block 50 is electrically connected to the upper shell 10 and the lower shell 20 of the base through the seawater environment to protect the base from corrosion.
Cathodic protection is an electrochemical protection technology for preventing metal from corroding in dielectric medium (seawater, fresh water, soil and other media), and the basic principle of the technology is that a certain direct current is applied to the surface of the protected metal to generate cathodic polarization, and when the potential of the metal is negative to a certain potential value, the anodic dissolution process of corrosion can be effectively inhibited. According to the different modes of providing cathode current, the cathodic protection is divided into a sacrificial anode method and an impressed current method, wherein the sacrificial anode method is to electrically connect a metal (such as magnesium, aluminum, zinc and the like) with a more negative potential with a protected metal structure, and provide protection current for the protected object through the continuous dissolution and consumption of electronegative metals or alloys, so that the metal structure is protected. In the latter, external alternating current is converted into low-voltage direct current, and protective current is transmitted to a protected metal structure through an auxiliary anode, so that corrosion is inhibited. The cathode protection block of the invention applies a sacrificial anode method, and prevents seawater from corroding the SRM shell by continuously dissolving and consuming the cathode protection block.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A routing module for subsea oil and gas operations, comprising:
the base comprises an upper shell and a lower shell, and a sealed cavity is formed after the upper shell and the lower shell are hermetically connected; the sealed cavity comprises a main cavity and at least two sub-cavities communicated with the main cavity, underwater electronic modules are arranged in the sub-cavities, and each underwater electronic module is connected with the photoelectric signal of the offshore equipment and/or the submarine equipment through a plurality of dry and wet joints arranged at the top of the upper shell and is used for acquiring underwater environment data and realizing communication and data exchange between the offshore equipment and the submarine equipment; the first positioning guide sleeve and the second positioning guide sleeve are positioned on two sides of the base and are vertically and downwards arranged relative to the base.
2. A routing module for subsea oil and gas operations according to claim 1, characterized in that: the sub cavity is for following the space that the diapire of casing downward protrusion formed down, just the diapire of sub cavity is the back taper face, the back taper face inboard is provided with the electrical interface for form the electricity with the underwater electronic module who sets up in it and be connected.
3. A routing module for subsea oil and gas operations according to claim 2, characterized in that: and the bottom wall of the lower shell positioned between the two sub-cavities also forms a pressure compensator cavity, and at least two sets of pressure compensators are arranged in the pressure compensator cavity and used for keeping the pressure in the sealed cavity at normal pressure on the seabed.
4. A routing module for subsea oil and gas operations according to claim 3, characterized in that: the central axes of the two sub cavities, the pressure compensator cavity, the first positioning guide sleeve and the second positioning guide sleeve form a linear arrangement.
5. A routing module for subsea oil and gas operations according to claim 1, characterized in that: and the sealed cavity is filled with liquid insulating medium.
6. A routing module for subsea oil and gas operations according to claim 1, characterized in that: the top ends of the first positioning guide sleeve and the second positioning guide sleeve are provided with connecting rings for connecting hoisting cables when the routing module is placed under the seabed; first location guide sleeve and second location guide sleeve bottom set up the loudspeaker port, the inner wall of loudspeaker port evenly sets up a plurality of elastic clamps.
7. A routing module for subsea oil and gas operations according to claim 1, characterized in that: the base is provided with a cathode protection block for protecting the base from corrosion.
8. The routing module for subsea hydrocarbon operations according to claim 1, wherein: the upper shell and the lower shell are made of metal materials and coated with anticorrosive materials.
9. A routing module for subsea oil and gas operations according to claim 1, characterized in that: the wet and dry joint comprises: one or more of a wet fiber optic connector, a wet electrical connector, a DSL connector, and an Ethernet interface.
10. A routing module for subsea oil and gas operations according to claim 1, characterized in that: the upper shell is a rectangular cover plate, and the dry and wet joints at the top of the upper shell are arranged in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210687846.1A CN115118657B (en) | 2022-06-17 | 2022-06-17 | Routing module for seabed oil and gas operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210687846.1A CN115118657B (en) | 2022-06-17 | 2022-06-17 | Routing module for seabed oil and gas operation |
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| CN115118657A true CN115118657A (en) | 2022-09-27 |
| CN115118657B CN115118657B (en) | 2024-01-30 |
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