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GB2522351A - Rejuvenation of subsea electrical distribution systems - Google Patents

Rejuvenation of subsea electrical distribution systems Download PDF

Info

Publication number
GB2522351A
GB2522351A GB1504747.5A GB201504747A GB2522351A GB 2522351 A GB2522351 A GB 2522351A GB 201504747 A GB201504747 A GB 201504747A GB 2522351 A GB2522351 A GB 2522351A
Authority
GB
United Kingdom
Prior art keywords
rejuvenation
distribution systems
electrical distribution
subsea electrical
cable
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.)
Granted
Application number
GB1504747.5A
Other versions
GB2522351B (en
GB201504747D0 (en
Inventor
Neil Irwin Douglas
Paul Robert Overton
Alistair John Wright
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.)
Viper Subsea Technology Ltd
Original Assignee
Viper Subsea Technology Ltd
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 Viper Subsea Technology Ltd filed Critical Viper Subsea Technology Ltd
Publication of GB201504747D0 publication Critical patent/GB201504747D0/en
Publication of GB2522351A publication Critical patent/GB2522351A/en
Application granted granted Critical
Publication of GB2522351B publication Critical patent/GB2522351B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/024—Anodisation under pulsed or modulated current or potential
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
    • 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
    • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
    • H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
    • 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
    • H02G1/16—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for repairing insulation or armouring of cables
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E21B17/206—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Insulated Conductors (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

A rejuvenation method for a cable used in a subsea environment, the method comprising applying a bias signal to a conducting element (2a, 2b) of the cable (2), the bias signal being selected to improve the insulation properties of the cable (2).
GB1504747.5A 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems Active GB2522351B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1302938.4A GB201302938D0 (en) 2013-02-20 2013-02-20 Rejuvination of subsea electrical cable insulation
PCT/GB2014/050430 WO2014128439A1 (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems

Publications (3)

Publication Number Publication Date
GB201504747D0 GB201504747D0 (en) 2015-05-06
GB2522351A true GB2522351A (en) 2015-07-22
GB2522351B GB2522351B (en) 2015-09-02

Family

ID=48048651

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB1302938.4A Ceased GB201302938D0 (en) 2013-02-20 2013-02-20 Rejuvination of subsea electrical cable insulation
GBGB1402587.8A Ceased GB201402587D0 (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems
GB1504747.5A Active GB2522351B (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GBGB1302938.4A Ceased GB201302938D0 (en) 2013-02-20 2013-02-20 Rejuvination of subsea electrical cable insulation
GBGB1402587.8A Ceased GB201402587D0 (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems

Country Status (3)

Country Link
GB (3) GB201302938D0 (en)
NO (1) NO344030B1 (en)
WO (1) WO2014128439A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529466B (en) * 2014-08-21 2016-07-06 Viper Subsea Tech Ltd Rejuvenation of subsea systems
DE102016211651B4 (en) 2016-06-28 2022-03-24 Bender Gmbh & Co. Kg Method for determining an insulation fault location on an electrical conductor of a submarine umbilical
US20200295545A1 (en) * 2019-03-15 2020-09-17 Novinium, Inc. Fluid injection system with smart injection and receiver tanks

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711022A (en) * 1986-03-26 1987-12-08 Freeman Clarence S Method for wire insulation
EP0654673A1 (en) * 1993-11-24 1995-05-24 Dipl.-Ing. Walther Bender GmbH & Co. KG Method and apparatus for insulation monitoring in unearthed DC and AC networks
DE10106200C1 (en) * 2001-02-10 2002-09-05 Ean Elektroschaltanlagen Gmbh Insulation monitoring method for unearthed electrical network uses pulses AC voltage applied between network and earth and evaluation of measured current values
WO2010136284A1 (en) * 2009-05-27 2010-12-02 Dipl.-Ing W. Bender Gmbh & Co. Kg Method and device for monitoring the insulation of ungrounded dc and ac voltage networks
EP2339359A2 (en) * 2009-12-10 2011-06-29 Viper Subsea Limited Line monitoring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711022A (en) * 1986-03-26 1987-12-08 Freeman Clarence S Method for wire insulation
EP0654673A1 (en) * 1993-11-24 1995-05-24 Dipl.-Ing. Walther Bender GmbH & Co. KG Method and apparatus for insulation monitoring in unearthed DC and AC networks
DE10106200C1 (en) * 2001-02-10 2002-09-05 Ean Elektroschaltanlagen Gmbh Insulation monitoring method for unearthed electrical network uses pulses AC voltage applied between network and earth and evaluation of measured current values
WO2010136284A1 (en) * 2009-05-27 2010-12-02 Dipl.-Ing W. Bender Gmbh & Co. Kg Method and device for monitoring the insulation of ungrounded dc and ac voltage networks
EP2339359A2 (en) * 2009-12-10 2011-06-29 Viper Subsea Limited Line monitoring device

Also Published As

Publication number Publication date
GB201402587D0 (en) 2014-04-02
GB2522351B (en) 2015-09-02
WO2014128439A1 (en) 2014-08-28
GB201302938D0 (en) 2013-04-03
NO344030B1 (en) 2019-08-19
GB201504747D0 (en) 2015-05-06
NO20151062A1 (en) 2015-08-20

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