CIS Wraps Up Second Subsea Piling Campaign for Technip

  • Operations & Maintenance

Conductor Installation Services (CIS), an Acteon company, recently completed its second subsea piling campaign for Technip in Norway.

The piles were driven using CIS remotely operated Subsea Piling System to secure the subsea Boa Extension Manifold, which makes up an integral part of the Alvheim development, approximately 225 km west of Stavanger.

Working from the Skandi Arctic dive support vessel in maximum water depths of 130 metres, CIS drove the four 30-inch manifold piles. Each pile was driven into the seabed to its respective target depth of 11.25 metres with a 90kJ hydraulic hammer in just 160 minutes.

“Our Subsea Piling System performed reliably, allowing us to drive the piles subsea very efficiently,” said Andy Penman, Group Managing Director of CIS. “We have now completed two successful subsea piling campaigns for Technip in just 14 months: one on Alvheim and another on Bøyla field last year. Looking ahead, we hope to be in a position to drive more subsea piles for Technip as our relationship continues to develop.”

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