AU2015213392B2 - Rejuvenation of subsea electrical distribution systems - Google Patents

Rejuvenation of subsea electrical distribution systems

Info

Publication number
AU2015213392B2
AU2015213392B2 AU2015213392A AU2015213392A AU2015213392B2 AU 2015213392 B2 AU2015213392 B2 AU 2015213392B2 AU 2015213392 A AU2015213392 A AU 2015213392A AU 2015213392 A AU2015213392 A AU 2015213392A AU 2015213392 B2 AU2015213392 B2 AU 2015213392B2
Authority
AU
Australia
Prior art keywords
rejuvenation
distribution systems
electrical distribution
subsea electrical
subsea
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.)
Active
Application number
AU2015213392A
Other versions
AU2015213392A1 (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 Innovations Ltd
Original Assignee
Viper Innovations 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
Priority claimed from PCT/GB2014/050430 external-priority patent/WO2014128439A1/en
Application filed by Viper Innovations Ltd filed Critical Viper Innovations Ltd
Publication of AU2015213392A1 publication Critical patent/AU2015213392A1/en
Application granted granted Critical
Publication of AU2015213392B2 publication Critical patent/AU2015213392B2/en
Assigned to Viper Innovations Limited reassignment Viper Innovations Limited Request to Amend Deed and Register Assignors: VIPER SUBSEA TECHNOLOGY LIMITED
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
    • 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B41/0007—Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

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. 2a Topside Transformer Subsea Transformer R; 1a C b RL R b AC Figure 1
AU2015213392A 2013-02-20 2015-08-14 Rejuvenation of subsea electrical distribution systems Active AU2015213392B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB1302938.4 2013-02-20
PCT/GB2014/050430 WO2014128439A1 (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems
GB1414897.7A GB2529466B (en) 2014-08-21 2014-08-21 Rejuvenation of subsea systems
GB1414897.7 2014-08-21

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2014/050430 Division WO2014128439A1 (en) 2013-02-20 2014-02-14 Rejuvenation of subsea electrical distribution systems

Publications (2)

Publication Number Publication Date
AU2015213392A1 AU2015213392A1 (en) 2015-09-10
AU2015213392B2 true AU2015213392B2 (en) 2016-09-15

Family

ID=51726909

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2015213392A Active AU2015213392B2 (en) 2013-02-20 2015-08-14 Rejuvenation of subsea electrical distribution systems

Country Status (4)

Country Link
AU (1) AU2015213392B2 (en)
BR (1) BR102015020216B1 (en)
GB (1) GB2529466B (en)
NO (1) NO20151050A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403089A (en) * 1965-04-05 1968-09-24 Union Carbide Corp Repairing insulation of electrical conductors by electrodeposition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201302938D0 (en) * 2013-02-20 2013-04-03 Viper Subsea Technology Ltd Rejuvination of subsea electrical cable insulation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403089A (en) * 1965-04-05 1968-09-24 Union Carbide Corp Repairing insulation of electrical conductors by electrodeposition

Also Published As

Publication number Publication date
GB2529466A9 (en) 2016-03-16
NO20151050A1 (en) 2016-02-22
GB2529466A (en) 2016-02-24
BR102015020216B1 (en) 2022-05-03
BR102015020216A2 (en) 2016-02-23
GB2529466B (en) 2016-07-06
AU2015213392A1 (en) 2015-09-10
GB201414897D0 (en) 2014-10-08

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
HB Alteration of name in register

Owner name: VIPER INNOVATIONS LIMITED

Free format text: FORMER NAME(S): VIPER SUBSEA TECHNOLOGY LIMITED