CIS Group completes subsea piling operation in north sea for Saubsea 7

Published Jul 3, 2015
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CIS - Subsea 7

Conductor Installation Services Ltd (CIS), an Acteon company that provides hammer services to install conductors and drive piles, announced that it successfully completed a subsea piling operation for Subsea 7 in the UK North Sea. CIS used its remotely-operated Subsea Piling System, which makes it possible to drive piles as large as 42 inches in diameter, in water depths to 300 metres.

The operation was executed as part of the Cladhan Field Development, located approximately 100 km northeast of the Shetland Islands. The development will eventually connect Cladhan field via a new subsea tieback to the Tern Alpha oil production platform, which lies 17.5km northeast of Cladhan field. In preparation for the tieback, CIS drove piles to secure a subsea manifold to the seabed on Cladhan field.

“This operation on Cladhan field for Subsea 7 was the first time that the company had commissioned a subsea operation from CIS to use our remotely-operated Subsea Piling System,” said Andy Penman, Group Managing Director of CIS. “We are very pleased that it performed reliably, and that the operation was completed ahead of schedule.”

Rapid response Work was carried out as a result of a contract awarded to CIS by Subsea 7 on 9 April 2015. Following preparation and testing of all equipment at its base in Great Yarmouth, England, CIS transported it to the port of Nigg in Invergordon, Scotland. On 28 April 2015, it was loaded onto the support vessel, from which CIS would carry out the subsea piling operation remotely. In the early hours of 30 April 2015, the crew set sail for Cladhan field to the site of the subsea pile-driving operation.

Tags: Conductor Installation Services Ltd (CIS), Subsea 7 S.A.


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