TDW Completes Subsea Pipeline Pressure Isolation in the Gulf of Mexico

Mb50's "Liquid Mud" Rant

TDW Offshore Services (TDW), a leading supplier of pipeline services and equipment, has successfully completed a subsea pipeline pressure isolation operation in the Gulf of Mexico. Carried out at a depth of 370 ft (113 m) against 870 psig, this isolation enabled the safe and effective tie-in of a piggable wye to the Mississippi Canyon Gas Pipeline, a 30-inch natural gas line running between the West Delta 143 platform – a hub facility for deepwater oil and gas production – and the Venice Gas Plant in Louisiana.

The isolation project utilized two remote-controlled 30-inch SmartPlug® dual module pressure isolation tools to isolate 45 miles of pipeline.

“The SmartPlug® isolation tool is certified to ‘Safety Class High’ in accordance with OS-F101 for Submarine Pipeline Systems and is uniquely suited for use in connection with diving operations,” says Bjørn-Olav Gilje, project manager for TDW.

Each tool was composed of…

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South Korea: Samsung Yard Bags $ 600 Mln UDW Drillship Order

Mb50's "Liquid Mud" Rant

Seadrill has entered into a turnkey contract to build a new ultra-deepwater drillship at the Samsung yard in South Korea. The project value price is estimated to be around US$600 million (including project management, drilling and handling tools, spares, capitalized interest and operations preparations) with tail-heavy payment terms payable upon delivery, which is scheduled within the fourth quarter 2014.

Delivery is scheduled for the fourth quarter 2014. In addition, Seadrill has agreed a fixed price option to build a further drillship at the yard, with delivery in the first quarter 2015. With the current strong demand there is limited availability of rigs in 2014 and Seadrill believes it is likely that the option will be exercised and is currently discussing details of upgrades of that unit.

The drillship will be of the same design as the existing six drillships under construction at Samsung and will have a hook load…

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