UNDERWATER SERVICES

Coretech Resources offers the following Underwater Inspection, Repair & Maintenance services throughout the Asia Pacific Region. Our Subsea services are supported by Surface Demand Diving and Mixed Gas Diving. These are facilitated from our containerized systems located directly on Client facilities or from the back of a dive support vessel.

Please feel free to browse our service pages for more detailed information about just some of the services that we offer.

GENERAL DIVING & ROV SERVICES

We are equipped to carry out all types of underwater and confined space inspection projects, either by Diving or ROV. Our personnel are trained in the inspection techniques required for:

  • Class Surveys
  • The Oil & Gas Industry
  • The shipping industry
  • Civil engineering works
  • Site survey
  • Damage reports
  • Insurance reports
  • Hull Cleaning

FPSO, TANKER & VESSELS

The Vessel Inspection and Repair personnel at Coretech Resources are a group of highly trained divers, welders, and inspectors. We have many years of experience in underwater inspection and NDT operations and our established Diving department provides clients with trusted and professional subsea service.

  • Class Special Surveys / UWILDs
  • Invasive Marine Species Survey
  • Ultrasonic Thickness Gauging
  • Magnetic Particle Examination
  • Eddy Current
  • Underwater Welding
  • Damage Assessment & Repair Evaluation
  • Cutting & Burning
  • Hull Cleaning & Propeller Polishing and Maintenance
  • Cofferdams

INSHORE SERVICES

We have the capability and experience of bringing together the appropriate spread of people and equipment to successfully support any inshore project, from cable landings to jetty refurbishment.

Coretech Resources can assist you with your:

  • Sea-Bed Survey (CCTV, Side-Scan, As Built)
  • Subsea Cable & Pipeline Installation
  • Trenching & Post-Lay Burial
  • Cathodic Protection Installation
  • Under Water Repairs
  • Jetty construction support
  • Search & Recovery Operations
  • Underwater cofferdam construction and installation
  • Non Destructive Testing (NDT)
  • Underwater video and photographic inspection
  • Scour inspection and repair
  • Epoxy injection and pile encapsulation
  • Intake & Outfall
  • Cooling water intakes
  • Jetty / pile inspection
  • Pipelines
  • Chemical Plants
  • Tank inspections

MODU & MOPU SERVICES

We have many years of experience in underwater inspection and NDT operations and our established Diving department provides clients with trusted and professional inspection below the water line.

We are approved as external hull experts and certified to perform In-Water Surveys and Ultrasonic Thickness Gauging Surveys by leading Classification Societies.

  • Class, Underwater Inspection In lieu of Dry docking
  • Invasive Marine Species surveys
  • Eddy Current Inspection
  • ACFM Inspection
  • Ultrasonic Thickness Gauging
  • Scour Surveys
  • Hull / Leg cleaning (UHP & Brush cart systems)
  • Welding (subsea)
  • Cathodic Measurement
  • Anode replacement / installation
  • Cofferdam design and installation / Sea chest blanking
  • Painting (subsea)

PLATFORM MAINTENANCE

We provide IRM (Inspections, Repairs & Maintenance) services designed to aid in the life expectancy and performance levels of your offshore platforms and pipelines, from routine, ongoing inspections and maintenance to emergency repairs.

We are fully equipped to carry out all types of underwater projects. Our divers are trained in inspection, maintenance and welding techniques that can cover:

  • Flooded Member Detection
  • Eddy Current Inspection
  • ACFM Inspection
  • Ultrasonic Thickness Gauging
  • Marine Growth Measurement
  • Scour Surveys
  • Wave height measurement
  • Leg & Riser cleaning
  • Platform Maintenance (Riser Repairs / Clamp installation)
  • Welding (subsea)
  • Cathodic Measurement
  • Anode replacement / installation
  • Cofferdam design and installation
  • Painting (subsea)
  • Decommissioning
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