WO2025219355A1 - Dispositif connecteur haute tension sous-marin - Google Patents

Dispositif connecteur haute tension sous-marin

Info

Publication number
WO2025219355A1
WO2025219355A1 PCT/EP2025/060302 EP2025060302W WO2025219355A1 WO 2025219355 A1 WO2025219355 A1 WO 2025219355A1 EP 2025060302 W EP2025060302 W EP 2025060302W WO 2025219355 A1 WO2025219355 A1 WO 2025219355A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling
plate
coupling assembly
power cables
submarine power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2025/060302
Other languages
English (en)
Inventor
Mathias BERTRAND
Liva Christian Randrianarivony
Gregory LEVEQUE
Jean-Pierre Benoit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Single Buoy Moorings Inc
Original Assignee
Single Buoy Moorings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Single Buoy Moorings Inc filed Critical Single Buoy Moorings Inc
Publication of WO2025219355A1 publication Critical patent/WO2025219355A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
    • E21B33/038—Connectors used on well heads, e.g. for connecting blow-out preventer and riser
    • E21B33/0385—Connectors used on well heads, e.g. for connecting blow-out preventer and riser electrical connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/12—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for incorporating transformers, loading coils or amplifiers
    • H02G15/14—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for incorporating transformers, loading coils or amplifiers specially adapted for submarine cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box

Definitions

  • the present invention relates to a coupling assembly for electrically coupling a first plurality of submarine power cables to a second plurality of submarine power cables. Also, the invention relates to a method of electrically coupling submarine power cables to each other in a body of water while below the water level.
  • Subsea high voltage connectors are known in the offshore industry for connecting one or more electric devices to an electrical power source for operation below the sea surface. Such electric devices are for example used in the production of hydrocarbons from subsea wells, and require to be powered by high voltage energy sources.
  • wet mate connectors with either dry mate or wet mate configurations are known.
  • Wet mate configurations allow to connect a power cable of the electric device to a power cable of the power source under wet conditions (i.e., below water level).
  • Wet mate connectors have a combined mechanical and electrical connectors that are based on spring mechanisms and operate substantially simultaneously, with potentially large interference between the mechanical and electrical parts of the connector.
  • Such a wet mate high voltage connector is for example known from US 4,142,770.
  • a high voltage connector comprising a coupling assembly for electrically coupling a first plurality of submarine power cables to a second plurality of submarine power cables, the first and second plurality of submarine power cables arranged in one or more cable groups
  • the coupling assembly comprising: a first coupling member comprising a first housing for electrically coupling to the first plurality of submarine power cables; a second coupling member comprising a second housing for electrically coupling to the second plurality of submarine power cables;
  • the first housing of the first coupling member comprising: one or more first inlet portions for electrical coupling to the first plurality of submarine power cables, a first main portion adjacent to each of the one or more inlet portions and enclosing per cable group a first conducting member for electrically coupling to each of the first plurality submarine power cables of the respective cable group via the one or more of the first inlet portions, a receiving portion adjacent to the first main portion, a first gate positioned at an interface between the first main portion and the receiving portion for closing off the first main portion, and
  • the coupling assembly according to the invention provides a wet mate configuration which allows to connect an electrical device with a power source under wet conditions, i.e., below the water level.
  • the coupling assembly can be positioned at its final location on the sea bed before the connection between the electrical device and the power source is to be made.
  • the coupling assembly is relatively compact which advantageously provides a (physical) coupling of submarine power cables with reduced interference in the electrical connection system.
  • the compact arrangement provides an improved control of connection by reduction of the contact area between the first and second housings.
  • the invention provides the coupling as described above, wherein the first gate comprises a first plate and a second plate stacked on the first plate, the first plate and the second plate each comprising a first through-opening for each cable group and at least one of the first plate and the second plate configured to rotate about the normal axis X so that in a disconnected state of the coupling assembly the first through- openings are misaligned, and the first gate is in a closed state, and the second gate comprising a third plate and a fourth plate on the first plate, the third plate and the fourth plate each comprising a second through-opening for each cable group and at least one of the third plate and fourth plate being rotatable about the normal axis so that in a disconnected state of the coupling assembly the second through-openings are misaligned and the second gate is in a closed state, wherein when reaching the connected state of the assembly, at least one of the first and second plate in the first gate and at least one of the third and fourth plate in the second gate are configured to
  • the invention provides the coupling as described above, wherein a part of the first conducting member is integrated as a conducting target plate in the first volume adjacent the through-opening of the first plate of the first gate.
  • the invention provides the coupling as described above, wherein the first housing comprises two first inlet portions for electrically coupling a subset of two submarine power cables, each of the two first inlet portions arranged on a face of the first housing, the two faces being opposite faces of the first housing so as to form a T- shaped construction with the receiving portion.
  • the invention provides the coupling assembly as described above, wherein an external surface of the engaging portion and the receiving portion is made of carbon steel and a sacrificial element is provided on either the engaging portion or the receiving portion for cathodic protection, the sacrificial element comprising a material selected from magnesium, zinc and aluminium and/or alloys based on magnesium, zinc and/or aluminium.
  • the invention provides the coupling assembly as described above, wherein at least one of the one or more first inlets, of the one or more second inlets, of the first main portion or second main portion encloses a liquid insulating material consisting of a dielectric oil.
  • the invention provides the coupling assembly as described above, wherein the first and second housings further comprise a pressure compensator for controlling and altering the pressure of the dielectric oil to adjust to local external water pressure.
  • the invention provides the coupling assembly as described above, wherein the dielectric oil is a non-mineral oil, preferably an oil based on synthetic ester.
  • the invention provides the coupling assembly as described above, wherein at least one of a group comprising the one or more first inlets, the one or more second inlets, the first main portion and second main portion further encloses a solid insulating material at restricted locations around the first and/or second conducting elements.
  • the invention provides the coupling assembly as described above, wherein the number of cable groups is either one or three.
  • the invention provides a method of electrically coupling submarine power cables to each other in a body of water, while below the water level, the method comprising:
  • the invention provides the method as described above, wherein sliding the second conducting member comprises that the second conducting member is translated to and through the aligned first and second through openings by action of a hydraulic jack supporting the second conducting member.
  • the invention provides the method as described above, where coupling is carried out at a depth up to about 3000 metres below sea level.
  • Figure 1 shows schematically a perspective view of a coupling assembly according to an embodiment of the invention
  • Figure 2 shows a perspective view of the coupling assembly during connection phase
  • Figure 3 shows a cross-sectional view of the coupling assembly during the connection phase
  • Figure 4 shows a cross-sectional view of the coupling assembly in the connected state
  • Figure 5 shows a cross-sectional view of the coupling assembly in a next stage
  • Figure 6 shows a cross-sectional view of the coupling assembly when electrically connected.
  • Figure 1 shows schematically a perspective view of a coupling assembly 1 according to an embodiment of the invention while not connected.
  • the coupling assembly comprises a first coupling member 2 and a second coupling member 8, which are shown in Figure 1 , in disconnected mode.
  • the first coupling member 2 is configured to be positioned on a seabed S and is arranged as a contact terminal for a first submarine power cable 20 that extends over the surface of the seabed (not shown in detail).
  • the first coupling member 2 comprises a first housing 3 holding first circuitry for electrically coupling to the first plurality of submarine power cables.
  • the first housing 3 comprises a receiving portion 7 for receiving an engaging portion 13 of the second coupling member 8.
  • the receiving portion 7 is facing up from the seabed.
  • one or more first inlet portions 5 are provided for electrical coupling the first plurality of submarine power cables 20 to the first circuitry.
  • the second coupling member 8 is arranged as a contact terminal for a second submarine power cable 22 to be connected to the first submarine power cable 20 via the first coupling member 2.
  • the second coupling member 8 comprises a second housing 9 holding second circuitry for electrically coupling to the second plurality of submarine power cables.
  • the coupling assembly 1 comprises a foundation structure 4 which is attached to the first coupling member 2 and provides a structural support on the seabed S.
  • the foundation structure further comprises guiding beams 60 attached to the structure.
  • the guiding beams are each configured to cooperate with a slider 61 (or similar element) that is attached to the second coupling member 8 and configured to translate along the respective guiding beam.
  • the second housing 9 comprises the engaging portion 13 for coupling to the receiving portion of the first coupling member 2.
  • one or more inlet portions 11 are provided for electrical coupling the second plurality of submarine power cables 22 to the second circuitry.
  • Figure 2 shows a perspective view of the coupling assembly during a connection phase.
  • the second coupling member 8 is located above the first coupling member 2 by an installation mechanism (not shown here) for example a crane or a remotely operated underwater vehicle.
  • an installation mechanism for example a crane or a remotely operated underwater vehicle.
  • the first housing 3 comprises a receiving portion 7 for receiving an engaging portion 13 of the second coupling member 8.
  • the receiving portion 7 is facing up from the seabed.
  • first inlet portions 5 are provided for electrical coupling the first plurality of submarine power cables 20 to the first circuitry.
  • the second housing 9 comprises an engaging portion 13 for coupling to the receiving portion of the first coupling member 2.
  • one or more inlet portions 11 are provided for electrical coupling the second plurality of submarine power cables 22 to the second circuitry.
  • the receiving portion 7 of the first coupling member 2 is facing substantially upward while the engaging portion 13 (not shown here) of the second coupling member 8 is facing substantially downward.
  • the engaging portion 13 of the second coupling member s is constructed to have a cover element 63 arranged downward above the first surface 7 of the first coupling member 2.
  • the cover element 63 By disposing the cover element 63 on the second coupling member 8, the interface between the first and second members 2, 8 during the connection phase is shielded from the environment.
  • the receiving portion 7 and the engaging portion 13 comprise a first and a second panel, respectively, each preferably having a circular shape.
  • three gates are arranged around a centre of rotation. Accordingly, the design may be based on one gate per phase of the current in a three phase power system.
  • the gates are configured as a barrel type door for opening/closing a corresponding through opening in the circular panel. This will be described in more detail with reference to Figures 3, 4 and 5.
  • Figure 3 shows a cross-sectional view of the coupling assembly during the connection phase.
  • first coupling member 2 is shown.
  • the second coupling member s is shown positioned above, with the engaging portion 13 vertically aligned with the receiving portion 7.
  • the first housing 3 of the first coupling member 2 comprises a first volume 6 which is defined by walls of the first housing 3 that are configured to enclose the first volume 6.
  • the top side of the first volume 6 comprises the first circular panel in which an opening is provided at the side of the receiving portion 7 which is sealable by a first gate 40.
  • the first gate 40 is positioned at an interface between the first volume 6 and the receiving portion 7.
  • the second housing 9 of the second coupling member 8 comprises a second volume 12 which is defined by walls of the second housing 9 that are configured to enclose the second volume.
  • the bottom side of the second volume 12 comprises the second circular panel in which an opening is provided at the side of the engaging portion 13 which is sealable by a second gate 45.
  • the second gate 45 is positioned at an interface between the second volume 12 and the engaging portion 13.
  • the first gate 40 is a rotating gate door consisting of a stack of a circular first plate 41 and a circular second plate 42.
  • the circular second plate 42 is arranged between the circular first plate 41 and the first volume 6.
  • Each plate 41 , 42 comprises a first through-opening 43, 44.
  • the first plate 41 is configured to rotate relative to the second plate 42 about the common normal axis X of the plates so that in a disconnected state of the coupling assembly 1 the first through-openings 43, 44 are misaligned, and the first gate 40 is in a closed state.
  • the second gate 45 is a rotating gate consisting of a stack of a circular third plate 46 and a circular fourth plate 47.
  • the circular fourth plate 47 is arranged between the circular third plate 46 and the second volume 12.
  • Each plate 46, 47 comprises a second through-opening 48, 49.
  • the third plate 46 is configured to rotate relative to the fourth plate 47 about the common normal axis X of the plates so that in a disconnected state of the coupling assembly 1 the second through-openings 48, 49 are misaligned, and the second gate 45 is in a closed state, closing off the second volume 12 from the external.
  • the circular first plate 41 is configured to releasably attach to the circular third plate 46 when the engaging portion 13 and the receiving portion 7 are in connected position.
  • either the first volume 6 or the second volume 12 comprises a rotating drive 50 for simultaneously rotating the circular first 41 and third 46 plates relative to the circular second 42 and fourth 47 plate around the common normal axis X.
  • the first volume comprises a first rotating drive 51 (not shown) for rotating the circular first plate 41 relative to the circular second plate 42 around the common normal axis X and the second volume comprises a second rotating drive 50 for rotating the circular third plate 46 relative to the circular fourth plate 47 around the common normal axis X.
  • the first volume 6 comprises and encloses an elongated first conducting element 30, such as a metallic rod, that at a first end connects to the first submarine power cable 20 at the inlet portion 5 and extends to a second end at which the first conducting element 30 has a conductive target plate 301 which is positioned adjacent to the second plate of the first gate.
  • the first through opening 44 of the second plate 42 coincides with the circumference of the conductive target plate 301.
  • the second volume 12 comprises and encloses an elongated second conducting element 31, such as a second metallic rod, that at a first end connects to the second submarine power cable 22 at the inlet portion 11 of the second volume.
  • an elongated second conducting element 31 such as a second metallic rod
  • both the first and second conducting elements 30, 31 are covered at least partially with a solid insulating material (not shown) around the first and/or second conducting elements 30, 31.
  • Figure 4 shows a cross-sectional view of the coupling assembly when connected.
  • the engaging portion 13 of the second coupling member 8 is arranged on the receiving portion 7 of the first coupling member 2.
  • the first plate 41 of the first gate 40 is thus adjacent to the third plate 46 of the second gate 45, while both the first and second gate are each in closed state, such that the first and second volume are each isolated from the environment, i.e. surrounding water, before and during connecting.
  • the second conducting element 31 is configured to extend and contact at a second end thereof the conductive target plate 301 of the first conducting element 30 through the first and second through openings 43, 44; 48, 49, when the first and second coupling parts are in a connected state.
  • the first through openings 43, 44 of the first and second plate 41 , 42 are aligned with the second through openings 48, 49 of the third and fourth plates 46,47.
  • Figure 5 shows a cross-sectional view of the coupling assembly in a next stage.
  • the first volume 6 and the second volume 12 are coupled to each other by aligning the first through openings with the second through openings.
  • the aligning step is carried out by rotating both the first plate 41 and the third plate 46 around the common normal axis X to an opened position where the first through openings 43, 44 of the first and second plates 41, 42 coincide and the second through openings 48, 49 of the third and fourth plates 46, 47 coincide.
  • the first and second volumes 6, 12 are communicatively coupled.
  • the conductive target plate 301 is thus exposed to the second volume 12, for contact by the second conducting element 31.
  • Figure 6 shows a cross-sectional view of the coupling assembly when electrically connected.
  • an electrical connection is created between the second end of the second conducting element 31 and the conductive target plate 301 of the first conducting element 30 through the first and second through openings 43, 44; 48, 49.
  • the second conducting element 31 is translated by a driving mechanism 64 towards the conductive target plate until the second conducting element contacts the target plate 301.
  • the second coupling member 8 is further equipped with an actuator electronically connected to a control unit 62 configured to actuate the operation of the gates 40, 45 by means of the rotating drive 50.
  • control unit 62 is configured to actuate the hydraulic jack 64.
  • the control unit 62 can be located at the exterior of the coupling assembly 1 for actuating by an ROV. Alternatively, the control unit may be located at a remote location, coupled by a wired connection to the hydraulic jack 64 (or the actuator driving the hydraulic jack) in the coupling assembly. The hydraulic jack 64 is thus operated by the control unit 62.
  • the hydraulic jack 64 is arranged within the second volume 12 and is capable of translating the second conducting element 30 towards or away from the target plate 301.
  • the second conducting element 30 is carried by a moveable frame that translates the second conducting element relative to the target plate 301.
  • the first and second subsea power cables 20, 22 are connected and ready for transfer of electric power.
  • the structure of the coupling assembly is designed for HV applications of about 11 kV and higher.
  • the coupling assembly 1 is configured for transfer of high voltage electrical power below sea level.
  • the target plate 301 and the second conducting element 31 , as well as the first and second housings or enclosures 3, 9 of the first and second volumes 6, 12 are each manufactured from carbon steel.
  • cathodic protection elements comprising magnesium, aluminium and/or zinc are provided on the exterior of the first and second housings.
  • Both the first and second volumes contain an oil that has the function of a dielectric for insulating the electric components in the first and second volumes.
  • the dielectric oil is a synthetic ester based on non-mineral oil, which improves the resistance to water ingress in the first and second volumes. Also the synthetic ester improves the insulating resistance of the volumes reducing the electrical breakdown probability, and allows to operate at relatively high voltages. In some embodiments the operating voltage is between about 70 and 150 kV (AC).
  • the coupling assembly 1 is provided with a pressure compensation system (schematically indicated by arrow P in Figure 1) to adjust the internal pressure within the first and second volumes relative to the surrounding water pressure.
  • the pressure compensation system is configured to negate effects of pressure differential at depth.
  • the pressure compensation system changes the internal pressure in the first and second volumes to counteract the risk of collapse/implosion at large sea depths, for example up to operational depths of about 3000 m.
  • the coupling assembly 1 is configured for connecting a single phase electric current over one or more first 20 and one or more second power cables 22, all configured for carrying current with same phase.
  • the coupling assembly 1 is configured for connecting a multi-phase (e.g. tri-phase) electric current over the first plurality of power cables 20 and the second plurality of power cables 22, where the potential phase may differ between different pairs of connected first and second power cables.
  • a preferable electrical coupling can be provided between submarine cables for transfer of power between a fixed installation located either onshore, offshore or subsea and a floating offshore installation.
  • Non-limiting examples of such electrical couplings are between a FPSO and an onshore power station, between a FPSO and a (floating) wind turbine or windfarm and between an offshore wind turbine/windfarm and an onshore power grid.
  • the structure of the coupling assembly 1 is designed for relatively large depths of operation with the capability to connect power cables at such depth.
  • the coupling assembly may be deployed at a depth of about 3000 m below water surface.
  • the design of the high voltage subsea connector can also used in anti-explosive environment top-side applications such as hydrocarbon processing.

Landscapes

  • 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)
  • Cable Accessories (AREA)

Abstract

L'invention concerne un ensemble (1) de couplage destiné à coupler électriquement une première pluralité de câbles sous-marins (20) d'alimentation à une seconde pluralité de câbles sous-marins (22) d'alimentation, les premier et second câbles étant agencés en un ou plusieurs groupes de câbles, l'ensemble (1) de couplage comprenant : un premier élément (2) de couplage comprenant un premier boîtier (3) destiné à se coupler électriquement à la première pluralité de câbles (20), et un second élément (8) de couplage comprenant un second boîtier (9) destiné à se coupler électriquement à la seconde pluralité de câbles (22); le premier boîtier (3) comprenant une première grille (40) positionnée au niveau d'une interface de celui-ci, et le second boîtier (9) comprenant une seconde grille (45) positionnée au niveau d'une interface de celui-ci; les première et seconde grilles (40, 45) étant configurées pour tourner autour de leur axe normal respectif (X) pour atteindre un état connecté pour chaque groupe de câbles et former une ouverture.
PCT/EP2025/060302 2024-04-19 2025-04-14 Dispositif connecteur haute tension sous-marin Pending WO2025219355A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP24171248.8 2024-04-19
EP24171248 2024-04-19

Publications (1)

Publication Number Publication Date
WO2025219355A1 true WO2025219355A1 (fr) 2025-10-23

Family

ID=90811033

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/060302 Pending WO2025219355A1 (fr) 2024-04-19 2025-04-14 Dispositif connecteur haute tension sous-marin

Country Status (1)

Country Link
WO (1) WO2025219355A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142770A (en) 1977-12-27 1979-03-06 Exxon Production Research Company Subsea electrical connector
US5645438A (en) * 1995-01-20 1997-07-08 Ocean Design, Inc. Underwater-mateable connector for high pressure application
US20150378125A1 (en) * 2013-02-15 2015-12-31 Prysmian S.P.A. Wet mateable connection assembly for electrical and/or optical cables
CN116315944A (zh) * 2023-02-10 2023-06-23 大连理工大学 基于水下插拔电连接器阴极保护快速修复装置及修复方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142770A (en) 1977-12-27 1979-03-06 Exxon Production Research Company Subsea electrical connector
US5645438A (en) * 1995-01-20 1997-07-08 Ocean Design, Inc. Underwater-mateable connector for high pressure application
US20150378125A1 (en) * 2013-02-15 2015-12-31 Prysmian S.P.A. Wet mateable connection assembly for electrical and/or optical cables
CN116315944A (zh) * 2023-02-10 2023-06-23 大连理工大学 基于水下插拔电连接器阴极保护快速修复装置及修复方法

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