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Diving Services

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Oceaneering is a leading provider of air, mixed gas, and saturation diving services for the oil and gas industry.

WASP Suit

Oceaneering Diving is also supported by the largest ROV fleet in the industry as well as one of the youngest Diving Support Vessel fleets in the Gulf of Mexico, including four point and dynamically positioned vessels.

Oceaneering’s certified welders perform construction and maintenance welding services including underwater wet and dry hyperbaric welding repairs. Oceaneering divers also have experience with grouting, platform repairs, pipeline maintenance, inspection and pipeline plug and abandonment.

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Dredging

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Pipeline Excavation

Oceaneering diver or ROV dredges excavate pipelines for abandonment, inspection, and IMR work, by removing clay, rock dump, and other sediments.

Pile Dredge Test1

Oceaneering Hydraulic Pile Dredge

Pile Dredging

Oceaneering Pile Dredges are used for abandonment purposes and new field development. The Electric Powered Pile Dredge, for deepwater applications, uses high powered jets of water to remove the internal contents of a pile (soil plug). For abandonment purposes the pile dredge removes soil from piles in preparation for using internal cutting tools. Hydraulic Pile Dredges are also available for shallow water use.

The Deepwater Pile Dredge, 2015 OTC Spotlight on New Technology award winner, is an electrically-driven system with pumps that provide water jetting and suction to excavate piles at any depth. The jetting provides a 360° pattern to fluidize the soil inside the pile, and then suction pumps remove the soil from the pile.

Backfilling

Oceaneering dredges have a proven record of successfully backfilling previously excavated locations.

Drill Cut Remediation

Deeper wells and larger wellhead structures have increased drill cutting deposits, sometimes affecting nearby existing infrastructures. Oceaneering dredging equipment collects and transports drill cuttings to designated disposal areas. Subsea dredges with attached collection buckets keep drill sites clear of debris. An ROV makes subsea connections and the drill cutting collection tool can be deployed without a rig.

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Video and Data Solutions

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Oceaneering’s Global Data Solutions team specializes in information technology solutions that help our customers do business better. From the oilfield to the boardroom, subsea to satellite, and upstream to downstream, Oceaneering has the data, technology, and subject matter experts to help our customers accomplish their missions.

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Intervention Tooling

Flow Assurance

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Oceaneering Deepwater Technical Solutions (DTS) offers hydrate remediation and well stimulation tools and services.

Flowline Remediation System
The MSV deployed Flowline Remediation System (FRS) is for hydrate remediation of large volume flowlines. The on-bottom mudmat based system includes subsea separation capabilities and features an emergency quick disconnect (EQD).

ROV Deployed Hydrate Remediation Skid
The Hydrate Remediation Skid (HRS) is ROV deployed and operated. The HRS depressurizes small volume production piping such as jumpers, wellheads, umbilicals, and chemical injection lines. Gauges show the upstream, downstream, and inhibitor inlet pressures in real time. Pressurized hydrate inhibitors can be routed through the production piping in either direction.

Well Stimulation Tools
Oceaneering DTS well stimulation tools are used to stimulate producing subsea wells at operating depths to 3,000 meters (10,000 fsw) without using a work-over rig and surface riser. Systems are deployed, operated, controlled, and retrieved from an MSV or rig. Fluid delivery is via a Dual Coil Tubing Reel (DCR) from the surface. Systems are API PSL 3 compliant, have a 10 BBL/minute flow rate at a 10,000 psi well bore pressure, and are EQD equipped.

Pressure Annulus Relief Tool
Oceaneering manufactures the Pressure Annulus Relief (PAR) for annular pressure mitigation and monitoring in high pressure, high temperature wells.

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Decommissioning and Cutting Services

Subsea Valves

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Oceaneering designs and manufactures the most reliable subsea valves in the world. 

To ensure the highest quality, most reliable products, we maintain in-house control over product development, design, engineering, manufacturing, testing, qualification and delivery.

Our products are designed for reliable subsea performance in water depths up to 4,000 meters with a minimum lifetime of 30 years.

 

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On-Site Machining

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Execute your machining on-site, keeping your production running and saving you transportation and logistics costs.

Our specialized on-site machining operations are classified as cold work, and the equipment is approved for use in hazardous zones by ATEX. Measurement and dimension control is completed on-site by our highly trained technicians.

The machining is performed with the same tolerances as if executed in a workshop, where you need it, when you need it.

 

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Open-Water Coiled Tubing System

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Oceaneering’s Open-Water Coiled Tubing System is utilized as a high-volume conduit in riserless intervention applications.

Open-Water Coiled Tubing completely re-defines traditional coiled tubing requirements with regards to footprint, crew size, pre-engineering, and overall cost.

Oceaneering offers both stand-alone coiled tubing packages, and complete work packages, including a vessel, ROV, required tooling, and project management capabilities.

For the past 8+ years, Oceaneering’s proven Open-Water Coiled Tubing System has been successfully utilized in multiple regions worldwide.

System Benefits:M97A9934 VER2 (1) (1)

  • Reduces footprint by 25-40%
  • Decreases crew size by 60%
  • Fatigue monitoring system accurately calculates both low and high-cycle fatigue
  • Eliminates the majority of pre-job engineering which is traditionally required with injector-based systems
  • Up to 15k pressure (expected to be qualified to API 17G once released)
  • Designed for deployment via a MSV (as opposed to rig-based intervention) – any vessel of opportunity can be utilized

System Applications:

  • Remediation (hydrate, paraphin, asphaltene)
  • Well Stimulation
  • Pipeline & umbilical flushes
  • LWI (Light Well Intervention)
  • P&As
  • Scale Squeezes
  • Well Kill
  • Commissioning/Decommissioning
  • Abandonments
  • Well Containment Packages
  • Pigging
  • De-watering

Technical Specifications:

Main Purpose of System Used in riserless well intervention as a high-volume conduit
System Components (2) reelers, HPU, flying leads and connectors
MWP (Max Working Pressure) Up to 15k (qualified to API 17G once released)
Typical Crew Size 4
Length of coil Up to 11,500’
Diameter of coil 1 ¾ – 2” (based on customer spec.)
Flow Rate Up to 300 GPM
Industry Standards DNV, Class 1 Division 2

 

Use the form at the right to contact us today to learn more about Oceaneering’s innovative, reliable, and economic Open-Water Coiled Tubing service.

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IWOCS Services

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Our Story

Back in 1990, Oceaneering first designed an Installation Workover and Control Systems (IWOCS) for use with a mudline tree.

700+ IWOCS jobs, and 25 years later, Oceaneering leverages this experience in providing reliable IWOCS equipment, backed by specialized service and support.

Equipment and personnel are stationed worldwide, and an Oceaneering IWOCS solution is available for your next Workover or Intervention, regardless of scope, location, or duration.

Overview

  • Performed hundreds of Workovers or Interventions, in water depths of up to 9,000 ft
  • 180+ dedicated technicians available worldwide
  • Historic average of greater than 99% uptime
  • One point of contact for 24/7/365 customer service and support
  • Contract terms vary from “call-out” to multi-year rental & service contracts
  • Extensive training and competency program for all service technicians
  • 40+ systems available worldwide
  • Based in Houston, with 240,000 sq ft of shop – operate facilities worldwide
  • Seamless integration of IWOCS and Open-Water Coiled Tubing (when applicable)

Capabilities

  • System capabilities in up to 11,000 ft (3,350m) water depth
  • Multiple options for deployment – LARS, dual guide wire, and clamped to riser
  • Extensive project-specific engineering design capabilities
  • All critical IWOCS components manufactured in-house
  • Provide service, support, and operation of any vendor’s IWOCS equipment
  • Control systems for both tree controls, tubing hanger controls, and subsea test trees
  • Facilities available worldwide for Tree SIT

Customer-Owned Property

In addition to providing traditional rental options, Oceaneering provides maintenance, repair, and operation of customer-owned IWOCS equipment.

Leverage 25+ years of experience to ensure your IWOCS equipment is available when needed, while extending asset life, and reducing repair and maintenance costs.

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Survey Services

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Fully integrated solutions that exceed your surface and subsea survey requirements

Oceaneering provides a wide range of surveying and mapping services for the land and offshore oil and gas industry, the telecommunications industry and government organizations.

Shenzi-Topside-Install CB2

Our survey teams provide precise and repeatable positioning services for drilling rigs, pipeline lay barges, and derrick barges during the placement of structures, templates and platforms.

AUV-SURVEYS

Our Autonomous Underwater Vehicle (AUV) Surveys provide high-resolution geo-hazard surveys, inspection surveys, archaeological assessments, government and academic surveys up to 4500m water depths.

PIPELINE-INSPECTION-SURVEYS

From your pipeline’s Front End Engineering and Development (FEED) through its decommissioning, Oceaneering delivers timely and relevant AUV survey data for well-informed decision making.

LAND & COASTAL WATER SURVEYS

The Land Survey Division specializes in cadastral surveys, boundary surveys, topographic surveys, hydrographic surveys, and horizontal and vertical control surveys, etc.

Professional Geoscience Services

The Geoscience Services Division specializes in geohazard assessments, marine archaeological assessments and integrated geotechnical / geophysical studies.

SHALLOW-WATER-HAZARD-SURVEYS2

Our integrated service approach offers clients a wide variety of shallow water hazard survey and geophysical mapping options to address all your survey requirements.

GEOTECHNICAL SERVICES

Our Houston based geotechnical soil testing facility offers a full complement of geotechnical laboratory testing services ranging from basic index tests to advanced static and dynamic tests.

GOVERNMENT-SERVICES

Oceaneering provides survey services for government organizations such as the National Oceanic and Atmospheric Administration (NOAA), the US Army Corps of Engineers, etc.

CCGISMap

Our Geospatial Data Management Group utilizes “CCGIS Map™ Professional” to store, validate and retrieve data for rapid responses to your ongoing operations or emergency situations.

 

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Inspection, Maintenance and Repair (IMR) Services

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Oceaneering’s Oilfield Projects Group (OPG) contracts, manages, engineers, plans, and executes small to mid-size deepwater projects utilizing Oceaneering resources worldwide. OPG focuses on managing, scheduling, and operating Oceaneering’s fleet of Multi Service Vessels (MSVs) and Dive Support Vessels (DSVs).

Oceaneering’s Oilfield Projects Group consists of experienced turnkey Project Managers and Engineers, operating out of Oceaneering’s Corporate Headquarters in Houston, Texas. The Oilfield Projects Group integrates project teams utilizing personnel from the various Oceaneering service lines as appropriate to the scope of work. Oceaneering and Fugro Chance have an alliance offering integrated ROV and Survey services to the offshore oil and gas industry in the Gulf of Mexico. The integrated ROV/Survey service offers significant operational and deliverable product benefits, thereby saving time and money.

subproj-5-7-strakejumperpa

Oceaneering’s Oilfield Projects Group (OPG) performs installation, inspection, maintenance and repair services on subsea facilities, offshore platforms, rigs, subsea pipelines, production facilities, and subsea developments primarily in the Gulf of Mexico. Focusing on deepwater subsea installations and field developments utilizing our Multi Service Vessels (MSVs) the Oilfield Projects Group incorporates many of the different service lines within Oceaneering to create project specific teams that fulfill customer needs in the demanding deepwater oilfield market.

Diving Inspection and Wet Welding

OPG also provides skilled teams of certified divers, Remotely Operated Vehicles (ROVs) and ROV pilots to perform manned diving, pipeline, repair, topside inspections, jumper installations, and testing services.

subproj-12hydra150

Oceaneering’s Oilfield Projects Group is continually providing a safe, cost effective, and environmentally friendly solution for oil and gas energy companies, government agencies, and marine engineering and construction corporations. With our experience and applied technologies, we will keep providing our services to customers who operate in extreme marine environments.

Oceaneering’s Oilfield Projects Group (OPG) Capabilities:

  • Project Management and Engineering of Deep Subsea Development Projects
  • Inspection, Maintenance, and Repair (IMR) of Subsea Facilities
  • Deepwater Subsea Tie-back Installations and Intervention
  • Design, Fabrication, and Installation of Pull-Tube (I & J) Clamp Systems
  • Subsea Coiled Tubing Flowlines Procurement and Installation
  • Subsea Flexible Flowlines Procurement and Installation
  • Subsea Umbilicals Procurement and Installation
  • Subsea Pipeline End Terminations (PLETS) Procurement and Installation
  • Subsea Umbilical Termination Assemblies (UTA’s) Procurement and Installation
  • Planning, Management, and Execution of Pigging & Testing Flowline Programs
  • Conduct Deep-water Pipeline Hot Taps and Deep Tap Projects
  • Conduct Deep-water Diverless Pipeline Repairs utilizing ROV’s aboard Vessels
  • Plug and Abandonment (P&A) of Subsea Trees and Templates
  • Umbilical and Pipeline System recovery
  • Manned Sat-Diving Services required from Multiservice Intervention Vessels
  • ADS WASP (One Atmosphere Diving Systems) Projects and Services
  • Subsea Development Surveys, Salvages, LBL Arrays, USBL Arrays
  • Jumpers and Flying Lead Installations
  • Strake Installations to Tension Leg Platforms (TLP’s)
  • Hydrotesting and Commissioning Subsea Field Developments
  • Steel Catenary Riser (SCR) Tie-ins
  • Choke and Pod Change-outs
  • Mattress Installations and Crossings of Pipelines, Flowlines, and Umbilicals

Coiled Tubing Installation (DP-2 Stabilization)

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Diving Services

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Oceaneering is a leading provider of air, mixed gas, and saturation diving services for the oil and gas industry.

WASP Suit

Oceaneering Diving is also supported by the largest ROV fleet in the industry as well as one of the youngest Diving Support Vessel fleets in the Gulf of Mexico, including four point and dynamically positioned vessels.

Oceaneering’s certified welders perform construction and maintenance welding services including underwater wet and dry hyperbaric welding repairs. Oceaneering divers also have experience with grouting, platform repairs, pipeline maintenance, inspection and pipeline plug and abandonment.

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Inspection, Maintenance and Repair (IMR)

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Inspection, Maintenance and Repair (IMR)

We have the operational field experience to successfully execute complex oilfield projects. We operate a fleet of fully integrated and managed Multi-Purpose Vessels (MPVs), and contracts with other vessel owners worldwide. We deliver this global capability via an integrated and locally managed IMR service.

ROVs

ROVs

Oceaneering is the world's largest Work Class ROV (Remotely Operated Vehicle) operator and the leading provider of ROVs to the oil and gas industry. We employ over 300 Work Class ROV systems and more than 2,000 ROV offshore personnel worldwide.

IMR - Asset Integrity

Integrity Management

Integrity management programs and condition assessments for process, drilling equipment, pipeline and infrastructure, structures, lifting appliances, mooring system offshore platforms, FPSOs, and onshore plants.

IMR - Vessel Management

Vessel Management

Vessel teams providing the personnel, equipment, and services to successfully manage each project’s work. Focusing on deepwater subsea installations and field developments utilizing our Multi Service Vessels (MSVs)

IMR-web-bilder-overskrifter-AUV

Surveying and Mapping Services

Oceaneering provides a wide range of surveying and mapping services for the land and offshore oil and gas industry, the telecommunications industry and government organizations.

IMR - Intervention

Intervention & Tooling

Planning and execution of subsea interventions and repairs in shallow or deep water. We provide standard tooling and we also design and manufacture custom engineered solutions.

IMR - Subsea Products

Subsea Products

We offer a range of subsea products and provide project management from initial client consultation through design, engineering, fabrication and testing, to deployment offshore.

IMR - World Class Facilities

World Class Facilities

Performing installation, inspection, maintenance and repair services on subsea facilities, offshore platforms, rigs, subsea pipelines, production facilities, and subsea developments.

IMR-loop-illustration

Deep down on the ocean floor where unique challenges are the norm, not the exception, you need tools, people and solutions you can trust.

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IWOCS

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The Global IWOCS Specialist

With 800+ jobs over the past 25 years, customers choose Oceaneering for reliable and specialized IWOCS services.
As the trusted IWOCS service provider, we partner with operators of all sizes to simplify their operations, and deliver projects on-time, and on-budget.

Customers choose Oceaneering IWOCS for the following reasons:

Experience and data on a large portion of all rigs worldwide
Greater than 99% uptime
Largest fleet of rental IWOCS in the world
We manage taxation, storage, insurance, mobilization, and demobilization
All critical components manufactured in-house

Our systems are designed for both rig and vessel-based operations, and are adaptable
to provide the utmost operational flexibility. Typical work scopes include:

 

Completion / Tree installation / Workover / Intervention / P&A (Plug & Abandonment)

Nytt Nexxus Iwocs Bilde

Complete Life Cycle Management of IWOCS

A Custom IWOCS Solution for Any Project Worldwide

Whether your requirement is for a short-term rental, or for a custom-built IWOCS package, partner with Oceaneering for a more efficient, reliable, and cost effective IWOCS solution.

Multiple Options for Deployment

The IWOCS umbilical and its subsea termination may be deployed in many ways. The ideal deployment method depends on project specifics, rig configuration, and operator philosophy.

With four standard deployment options available, there is more flexibility in configuring your ideal IWOCS solution, than with any other service company.

DeployMethods


 

 

 

The largest rental IWOCS fleet in the world is available to meet your specific requirements for size, configuration, and capabilities.

 

pdficon_small Read more in the IWOCS brochure

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Grayloc® Connectors

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Outperforming Conventional Flanges

The Grayloc® clamp connector is the recognized industry leader for connecting piping and vessel systems worldwide. The Grayloc connector with its metal-to-metal bore seal technology provides comparable strength and seal integrity of a welded joint with the added versatility of a mechanical joint.

Improved Performance
Lower Maintenance Costs
Weight & Space Savings
Installation Time Savings

The standard Grayloc® assembly has two hubs arranged for butt welding to pipe. However, a complete line of other piping components is available, including socket weld and threaded hubs. Heavy duty connectors for oilfield and other applications are also available.

Other equipment manufacturers (valves, pumps, compressors, vessel, etc.) are licensed to machine Grayloc hub profile/ seats integral to their products. A complete line of fittings is available in the Grayloc design for all nominal pipe sizes and service conditions.


 

The Grayloc connector was developed in 1954 as the standard for critical service piping and vessel connections in a wide range of industries, applications and environments

 


 

Typical products include:

  • Adapters (Crossovers)
  • Ball Joints
  • Clamp Connectors
  • Compact Flanges
  • Crosses, Elbows, Spools & Tees
  • Extreme Pressure Connectors
  • Insulated Connectors
  • Manways & Vessel Closures (Standard & Hinged)
  • Metal-to-Metal Seals
  • Non-Slam Nozzle Check Valves
  • Jacketed Connectors
  • Instrumentation including Orifice Connectors & Thermowells
  • Piping & Vessel Nozzles
  • ASME Code Pressure Vessels
  • Remotely Operated Connectors (includes Automated and Subsea)
  • Other Critical Service Connections including R-Con and E-Con product lines

 

pdficon_small Installation and Maintenance of the Grayloc® Connector

pdficon_small Grayloc Brochure

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Umbilicals and Cables

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Oceaneering Umbilical Solutions (OUS)…subsea power cables and production control umbilical systems that will stand the test of time

OUS has provided subsea products and engineering services since 1977. Our team delivers the highest quality subsea control line systems and managed services that reduce customer risk and help customers use resources more efficiently.

A global leader in designing and manufacturing subsea cable systems, OUS has operations worldwide and is the only major provider manufacturing the full range of subsea umbilical systems.

In addition to manufacturing industry-leading umbilicals, Oceaneering provides equipment and specialized umbilical technicians to install, repair, and troubleshoot worldwide.

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Asset Integrity

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Asset Integrity

We offer safe, innovative and cost effective asset integrity services. Operating worldwide, our services are designed to manage the overall integrity risk, reliability and performance of your assets.

 

For more than 50 years we have been an industry leader in the provision of risk and reliability centered services across many major industry sectors. Our comprehensive range of services can be individually tailored and packaged to meet client’s specific requirement. Services are available from the inspection of a single item at an approved test laboratory, to developing and implementing asset integrity management systems for assets that operate in the harshest of environments.

Inspection and Condition Monitoring - thumb

Available globally, our inspection and condition monitoring services encompass a wide range of techniques and methodologies. Services range from comprehensive inspection management offerings, to custom-made inspection solutions.

Integrity-Management-Oilrig

Integrity management programs and condition assessments for all your assets. We deliver a customized asset integrity solution that provides the basis for an informed decision making, integrity assurance and maximizes the return of efforts.

Subsea Asset Integrity

We have a global reach from splash zone to ultra deep water and spanning our many divisions and capabilities. Our Life of Field thinking has been keeping subsea infrastructure safe, legally compliant and operational for many years.

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ROV Services

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Oceaneering is the world's largest Work Class ROV (Remotely Operated Vehicle) operator and the leading provider of ROVs to the oil and gas industry. Oceaneering employs over 300 Work Class ROV systems and more than 2,000 ROV offshore personnel worldwide.  

Oceaneering is also the world’s largest manufacturer of ROV systems. The company’s ROV fleet includes 2500-3000m rated Work Class systems, 4000m rated Millennium Work Class systems, and 8000m rated Ultra Deepwater systems.

Oceaneering has developed the best ROV workforce in the industry through continuous investment in its employees. The Oceaneering ROV Training Program has been in place since 1995 and has a budget of over $10 million per year for ROV operations and maintenance training.

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Decommissioning and Cutting Services

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