News and Media

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Integrated Oceaneering team combines technologies for Australian success

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Oceaneering completed a challenging Australian IMR (Inspection, Maintenance and Repair) campaign within 3 months that included inspecting an unpiggable in-service pipeline and repairing a second pipeline using a custom diverless solution. To meet the schedule, a team of experts in inspection, remotely operated vehicles, installation and pipeline repair combined their experience to fully integrate a solution.

“Unpiggable” Doesn’t Mean “Uninspectable”

To inspect an “unpiggable” pipeline, Oceaneering’s tethered, self-propelled pipe intruders would normally be used. In this case, the non-linear nature of the alignment joints precluded this approach. The Asset Integrity group proposed Neptune, a proprietary ROV-deployed ultrasonic inspection system instead. Neptune is an external inspection system which clamps around a pipeline without interrupting production. Neptune easily delivers the high resolution wall thickness mapping the client required, including fine scan readings to 1mm x 1mm.

Pipeline Repair Solved

Testing the ROV installable clamp

Testing the ROV installable clamp

A pipeline generating a large temperature gradient required an ROV installed diverless solution. By converting an off-the-shelf diver installed clamp to an ROV installable one with a thermal compensation system included, the fabrication cycle of manufacturing was reduced to 7 weeks.

For the installation phase, the standard water jet coating removal process lacked the precision the client desired. Oceaneering’s Australian tooling group designed and built a new self-contained coating removal tool that uses two high-pressure jetting heads which travel 360 degrees axially along the full length of the pipe in a controlled coating removal process. They dubbed the tool the “Master Blaster”.

Integrated Solution Essential to Team Success

To meet the strict 3-5 day window reserved for executing the tasks on a vessel of opportunity, all equipment and personnel were managed through centralized coordination. All the challenges were overcome and the plan was successfully executed on schedule.

For more information, visit the Oceaneering Pipeline Systems, Tooling, Asset Integrity and IMR pages.

Oceaneering solves Australian umbilical challenge

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Oceaneering International designed and manufactured an umbilical system with specialized installation tools for the BHP Billiton Macedon gas development project off Western Australia. Online since September 2013, Macedon connects subsea wells with a new-build natural gas plant near Onslow, Australia. The project specifications brought a lengthy subsea umbilical to a trench along a beach, through thick sand dunes, under a river, across wetlands and finally to the onshore plant. An inline joint installation tool facilitated alignment of the connectors to join multiple umbilical sections in the remote area where soil weight bearing restrictions were critical.

Onshore, the umbilical had to include internal protection from electrical cable-eating termites. Offshore, the umbilical had to pass thorough a stretch prone to Teredo worms (shipworms) that burrow into ship hulls and also electrical cables.

The synergy of the solutions for the Macedon project was proven through design reviews and third party verification. Step by step resolution of the challenges faced demonstrates the teamwork evident in the final product.

Learn more about Oceaneering Umbilicals and specialized solutions >

NASA Neutral Buoyancy Laboratory available for commercial testing

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The human spaceflight industry has used neutral buoyancy underwater testing for years to simulate and practice mission critical tasks. This testing capability is now commercially available at NASA’s Neutral Buoyancy Laboratory (NBL) near Houston. An Oceaneering Millennium® Plus Work Class ROV has been installed at the facility for these commercial testing operations.

Testing procedures and pre-deployment verification can benefit subsea installation or intervention projects through increased safety, efficiency and reliability with an opportunity to lower overall costs. Underwater System Integration Tests (SITs) and Factory Acceptance Tests (FATs) can be conducted in a controlled pool environment, while ROV operations rehearsals are also possible using simulated animations.

For further information, visit oceaneering.com/nblview the NBL brochure (link) or contact the NBL team.

Oceaneering ROV Sets New Deepwater Drill Support Record

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The Oceaneering® Magnum® 169 team is photographed after setting a new ROV drill support depth record

An Oceaneering® Magnum® Plus work class Remotely Operated Vehicle (ROV) has set a new ROV ultra deepwater drill support depth record offshore India while working at 10,385 feet water depth (3,165 meters). Magnum 169 is supporting drilling operations onboard rig Dhirubhai Deepwater KG1 (DDKG1) for ONGC and has been in service since Q3 2009. The ROV is a 4,000 meter rated system that has logged over 8309 hours and 961 total dives so far.

The previous 2011 record of operating at 10,194 feet (3,107 meters) water depth was also set in India by Oceaneering Millennium® 77 while working onboard rig Dhirubhai Deepwater KG2 (DDKG2) for Reliance Industries Limited (RIL).

Oceaneering International, Inc. manufactures and operates the world’s largest offshore fleet of ROVs. The company maintains a worldwide fleet of over 280 work class ROVs and employs over 2,000 ROV personnel globally.

For further information contact Andrew Sunley:
Email: asunley@oceaneering.com

OCEANEERING®, MAGNUM® and MILLENNIUM® are registered trademarks of Oceaneering International, Inc.

The Cutting Edge in GOM Decommissioning

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A subsea wellhead severed with NCA’s Subsea Wellhead Picker – note the oversized casing that has been easily cut by the IMCT

Oceaneering Deepwater Technical Solutions (DTS) has solidified its Gulf of Mexico (GOM) market position in cutting and decommissioning since the 2011 acquisition of NCA. Oceaneering has grown with the NCA acquisition, adding employees, equipment, tooling, vessel products and services including dredging, while maintaining an impressive company safety record.

The patented IMCT (Internal Multi-String Cutting Tool) uses abrasive water jet cutting technology as an environmentally friendly cutting option for well removal operations. The IMCT can run inside production casing as small as 7” for a cost effective, time efficient solution.

Abrasive cutting technology has forged repeated new records in the GOM during 2012. In September, a successful internal abrasive cut was made below mudline on a fully grouted multi-string conductor (30” x 16” x 10-3/4”) that was cemented to a 48” caisson. The DTS cutting track record in the Gulf of Mexico totals nearly 1000, with over 300 successful single and multi-string cuts in 2012 alone.

For further information visit the Oceaneering DTS website.

Photos: Ocean Patriot performs CALM buoy maintenance off Trinidad and Tobago

Transfer of Submarine Hose from tender to DSV Ocean Patriot for install

 

DSV Ocean Patriot working in Trinidad and Tobago

DSV Ocean Patriot working in Trinidad and Tobago