Offshore cable installation, testing and subsea electrical integrity support

Subsea Cable & Umbilical Installation & Test Services

Fairtex provides subsea cable and umbilical installation and testing services including MV and HV cable testing, optical fibre support, fault diagnostics, offshore commissioning and electrical integrity verification for offshore oil and gas and renewable energy projects.

Offshore subsea cable installation and electrical testing operation with cable testing equipment
Service Scope Subsea cable installation and integrity testing
Voltage Coverage MV and HV offshore cable systems
Core Diagnostics TDR, HV testing and fault location
Industry Support Oil and gas and offshore renewables

Subsea cable and umbilical installation and testing services

Fairtex Group provides subsea cable and umbilical installation and testing services for offshore oil and gas and renewable energy developments. Our offshore-certified MV and HV cable jointers, optical fibre technicians and cable test engineers support installation, commissioning and integrity verification of subsea electrical and communication infrastructure.

Supported by OEM-focused engineering and project management teams, Fairtex delivers coordinated offshore cable installation and testing solutions designed to support operational reliability, commissioning efficiency and subsea asset integrity. Project-specific procedures are developed in collaboration with client engineering teams to align with offshore operational requirements and technical specifications.

Typical applications: subsea power cable installation, offshore umbilical testing, optical fibre commissioning, HV integrity testing, cable fault diagnostics, offshore renewable energy support and subsea electrical commissioning.

What this service covers

Subsea cable installation and offshore support

Fairtex provides offshore personnel and technical support for installation of MV and HV subsea power cables and umbilicals. Services include offshore joining, testing, commissioning and operational verification for offshore energy infrastructure projects.

Electrical testing and fault diagnostics

Our offshore testing capabilities include VLF high-voltage testing, HV DC testing, insulation resistance testing, micro-ohm measurement and advanced TDR diagnostics for cable characterization and subsea fault location.

Optical fibre and commissioning services

Fairtex supports optical fibre installation, testing and integrity verification for subsea communication systems. Commissioning support services include project-specific testing procedures, offshore verification and operational readiness support for subsea cable systems.

Key Takeaways

  • Offshore-certified MV and HV cable installation and testing personnel.
  • Subsea electrical, optical fibre and umbilical commissioning capability.
  • Advanced TDR and surge fault location diagnostics for subsea systems.
  • Supports offshore oil and gas and renewable energy infrastructure projects.
Equipment

Instruments and systems used for this service.

Electrical testing equipment
VLF High Voltage Test Set
Used for high-voltage integrity verification of offshore subsea cable systems.
Cable testing equipment
HV DC Test Set
Used for DC high-voltage testing and insulation verification of subsea power cables.
Diagnostic testing equipment
Long-Range Time Domain Reflectometer (TDR)
Used for cable characterization, fault detection and subsea signal analysis.
Fault location system
Combined TDR And Surge Generator Fault Locator
Used for offshore cable fault location using surge analysis and TDR integration.
Standards

Codes and standards this service conforms to.

Provides requirements for testing and commissioning of electrical installations and cable systems.
IEC 60502
Power Cables with Extruded Insulation and Their Accessories
Provides guidance for subsea production control systems and associated umbilical infrastructure.
API 17F
Specification for Subsea Production Control Systems
Supports quality management and operational verification for offshore electrical services.
ISO 9001
Quality Management Systems
Deliverables

What you receive.

Subsea Cable Installation And Testing Report

Operational records covering cable installation, HV testing and offshore commissioning activities.

Fault Diagnostic And TDR Analysis Documentation

Cable characterization data, fault location findings and subsea diagnostic reports.

Optical Fibre And Electrical Verification Records

Integrity testing documentation for optical fibre and electrical cable systems.

QA/QC And Offshore Commissioning Documentation

Operational verification records, commissioning reports and offshore readiness documentation.

Have a Scope?

Let’s get it scoped and quoted.

Our team will review your scope and return a proposal.

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