Aquaterra has secured a major contract for a High Pressure Marine Riser System from Apache North Sea Limited.
The high pressure, 10,000 psi rated, full-bore drilling riser system, complete with H4 compatible subsea connector is a 'world first' in terms of the connections and its operation. The Riser System will be used during Apache's 2011 drilling program as they develop the Bacchus field in the North Sea, drilling three subsea wells from the Rowan Gorilla VII jack-up rig.
A 10,000 psi Merlin TM connector, developed by Oil States Industries (UK) will be used on the project and is a major advance from current full bore risers which rely on flanged connections at this pressure. This change to a weld on premium connector brings 10,000 psi risers into line with other jack up riser systems, which almost universally avoid the technical and operational disadvantages associated with flanged connections.
In the words of Aquaterra's Director James Larnder, "The development of a full bore 10,000 psi Merlin connector, and our partnership with Oil States to bring it to the market allows the handling and use of these systems to become a standard rig operation, rather than a unique handling challenge as experienced with flanged systems. This contract marks a step change in the technology available for drilling high pressure subsea wells from a jack-up. This technology advance is a very big deal."
Commenting on the award, Apache Drilling Manager Brett McIntyre said, "We are pleased to be working with Aquaterra in conjunction with Oil States in delivering this important project. We carried out an extensive competitive tender process, and the Aquaterra/Oil States system had clear technical advantages and was commercially attractive. We look forward to being able to use this World’s first, full bore 10k Merlin riser connection next year."
This is the second major riser contract Norwich-based Aquaterra Energy has announced in recent months; in April the innovative company was awarded a drilling riser contract with a large joint venture petroleum company in Egypt.
Aquaterra Managing Director, George Morrison commented, "We see ourselves as specialists in jack-up riser systems and associated equipment and services. We are the High Pressure riser provider with the most rounded in-house skill set in the market. We offer a complete package to ensure the success of worldwide projects. We have the capabilities to provide riser analysis, design engineering, project management, operational knowledge, and offshore operations support all under one roof. This is a major part of our business, and one we give full focus to."
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