Ashtead Technology
ashtead-technology.com#survey-and-roboticsSubsea and offshore service
Survey and RoboticsService line that supplies subsea survey and robotics technology and support services to the offshore energy sector.
✓ category = subsea_service✓ serves DE
#mechanical-solutionsSubsea and offshore service
Mechanical SolutionsService line that provides lifting, pulling and deployment capability for offshore energy infrastructure.
✓ category = subsea_service✓ serves DE
DeepOcean
deepoceangroup.com#engineering-project-management-and-installationSubsea and offshore service
Engineering, Project Management and InstallationProject management, engineering and subsea installation of structures, pipeline spools, flexible risers, pipelines, umbilicals and protection structures, including tie-in and PCO.
✓ category = subsea_service✓ serves DE
#maintainSubsea and offshore service
Maintain (Inspection, Maintenance and Repair)Inspection, maintenance and repair (IMR) of subsea infrastructure: integrity inspections, repairs, module replacements and heavy lifts, with remote piloting from an onshore center.
✓ category = subsea_service✓ serves DE
#recycleSubsea and offshore service
RecycleDiverless decommissioning of subsea infrastructure, from feasibility studies and engineering through removal, dismantling and recycling, including waste management until final disposal.
✓ category = subsea_service✓ serves DE
#seabed-interventionSubsea and offshore service
Seabed InterventionTrenching and burial of pipelines, flowlines, power cables and umbilicals using jetting ROV trenchers and ploughs, from nearshore to full field depth.
✓ category = subsea_service✓ serves DE
#integrated-subsea-servicesSubsea and offshore service
Integrated Subsea ServicesSubsea services for offshore projects: construction and installation, decommissioning, engineering, IMR, ROV and AUV services, saturation and air diving, survey and positioning, towing and mooring.
✓ category = subsea_service✓ serves DE
#renewablesSubsea and offshore service
Renewables (Offshore Wind Services)Marine and subsea services for fixed and floating offshore wind projects: transport and installation, cable installation and repair, anchor and mooring installation, and seabed preparation.
✓ category = subsea_service✓ serves DE
#marine-managementSubsea and offshore service
Marine ManagementShip management for offshore vessels and subsea assets, covering crewing, maintenance, mobilisation, and project and newbuild oversight. DOF has provided ship management since 1981.
✓ category = subsea_service✓ serves DE
#fleet-operationsSubsea and offshore service
Fleet OperationsOperation of an offshore fleet that includes construction support vessels (CSV), anchor handling tug supply (AHTS) vessels, platform supply vessels (PSV), ROV systems and AUV systems.
✓ category = subsea_service✓ serves DE
#sustainable-hull-cleaningSubsea and offshore service
Sustainable Hull CleaningUnderwater hull cleaning by remotely operated vehicles using soft water jets, with a closed-loop filtration system that captures removed biofouling. Cleaning rate 300–600 m²/hr.
✓ category = subsea_service✓ serves DE
#niche-area-and-propeller-managementSubsea and offshore service
Niche Area and Propeller ManagementPropeller polishing, ROV-based UWILD inspections and cleaning of niche hull areas, delivered with a network of ship-service partners.
✓ category = subsea_service✓ serves DE
Forssea Robotics
forssea-robotics.fr#rov-servicesSubsea and offshore service
ROV ServicesTurnkey ROV services: visual inspection (GVI/CVI), corrosion and NDT, construction support, marine growth cleaning, seabed imaging and bathymetry, pipeline and cable tracking, UXO survey.
✓ category = subsea_service✓ serves DE
#rental-engineeringSubsea and offshore service
Rental & EngineeringROV rental with equipment packages, technical and offshore piloting training, custom tooling design and integration of client systems.
✓ category = subsea_service✓ serves DE
Helix Energy Solutions
helixesg.com#well-interventionSubsea and offshore service
Well InterventionSubsea hydraulic and mechanical well intervention and well integrity services delivered from riserless and riser-based well intervention vessels.
✓ category = subsea_service✓ serves DE
#full-field-decommissioningSubsea and offshore service
Full Field DecommissioningWell decommissioning under a single project-managed contract, covering well suspension, plugging and abandonment, tubing removal, tree recovery, saturation diving and seabed clearance.
✓ category = subsea_service✓ serves DE
#offshore-renewable-energySubsea and offshore service
Offshore Renewable EnergySeabed site clearance, boulder removal, cable trenching by self-propelled trenching ROVs, and explosive ordnance disposal for offshore wind farms and subsea interconnector cables.
✓ category = subsea_service✓ serves DE
#drilling-supportSubsea and offshore service
Drilling SupportIntervention riser systems, well intervention services and robotics tooling for offshore drilling, including well clean-up, well commissioning, top hole drilling and ROV support.
✓ category = subsea_service✓ serves DE
#inspection-repair-and-maintenanceSubsea and offshore service
Inspection, Repair & MaintenanceDeepwater inspection, repair and maintenance of offshore oil and gas infrastructure, including saturation diving from vessels with 18-man saturation systems rated to 300 metres of seawater.
✓ category = subsea_service✓ serves DE
#iepci-subseaSubsea and offshore service
iEPCI SubseaIntegrated engineering, procurement, construction and installation (iEPCI) of subsea developments. It combines SPS and SURF scopes from design to life-of-field services.
✓ category = subsea_service✓ serves DE
CleanSubSea
cleansubsea.com.au#in-water-hull-cleaningSubsea and offshore service
In-Water Hull Cleaning, Inspection and Propeller PolishingUnderwater hull cleaning, inspection and propeller polishing using the Envirocart System, with certification of inspection findings. Holds Fremantle Port Authority Operational Planning Approval.
✓ category = subsea_serviceserves unknown · included
Damon Global
damonglobal.com#offshore-constructionSubsea and offshore service
Offshore ConstructionEPC/EPIC offshore construction: fabrication and installation of wellhead jackets, topsides and modules, subsea pipelaying, riser installation, hook-up and commissioning, and offshore survey.
✓ category = subsea_serviceserves unknown · included
Fleet Robotics
fleetrobotics.com#fleet-cleanerSubsea and offshore service
Fleet CleanerHull cleaning service for ships.
✓ category = subsea_serviceserves unknown · included
#fleet-monitorSubsea and offshore service
Fleet MonitorProactive underwater maintenance service.
✓ category = subsea_serviceserves unknown · included
#remote-and-autonomous-solutionsSubsea and offshore service
Remote and Autonomous SolutionsOffshore operations with Blue Essence® 12-metre uncrewed surface vessels and electric ROVs (eROVs), supervised from 10 remote operations centres, for surveys, inspections and monitoring.
✓ category = subsea_serviceserves unknown · included
Ocean Infinity
oceaninfinity.com#search-and-salvageSubsea and offshore service
Search and SalvageLocation and recovery of lost assets in waters from shallow coastal areas to the deepest ocean depths.
✓ category = subsea_serviceserves unknown · included
Oceaneering
oceaneering.com#diving-servicesSubsea and offshore service
DivingAir, mixed gas and saturation diving services for the oil and gas industry, including platform structural repairs, pipeline repairs and re-routes, and hyperbaric and wet welding.
✓ category = subsea_serviceserves unknown · included
#well-interventionSubsea and offshore service
Well InterventionVessel-based well stimulation, riserless light well intervention, and flowline remediation and flow assurance using multi-service vessels equipped with ROVs.
✓ category = subsea_serviceserves unknown · included
#offshore-engineering-and-constructionSubsea and offshore service
Offshore Engineering and ConstructionDesign and construction of offshore plants, including fixed and mobile platforms, sea-bed hydrocarbon extraction control systems and subsea transport pipelines.
✓ category = subsea_serviceserves unknown · included
#offshore-drillingSubsea and offshore service
Offshore DrillingOffshore drilling services with a fleet of drillships, jack-ups and semi-submersibles for shallow to ultra-deepwater and harsh-environment operations.
✓ category = subsea_serviceserves unknown · included
#offshore-windSubsea and offshore service
Offshore WindEPCI of offshore wind foundations, covering wind turbine generator jacket foundations and offshore substations, with engineering and fabrication in Arbatax (Italy) and Karimun (Indonesia).
✓ category = subsea_serviceserves unknown · included
#subsea-and-conventionalSubsea and offshore service
Subsea and ConventionalSubsea and conventional offshore field developments: design and engineering, supply chain, fabrication, survey, and installation and commissioning of production facilities.
✓ category = subsea_serviceserves unknown · included
#life-of-field-servicesSubsea and offshore service
Life-of-field servicesLife-of-field services for offshore energy production facilities.
✓ category = subsea_serviceserves unknown · included
#seaway7Subsea and offshore service
Seaway7 offshore windOffshore wind installation by Seaway7: cable laying, WTG foundations, offshore substations, wind turbine transport and installation, heavy transportation, and floating offshore wind.
✓ category = subsea_serviceserves unknown · included