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Introduction

Deep Sea Anchors is a tech- nology developer and provider of innovative anchor solutions for offshore floating structures in soft seabed sediments. The Deep Penetrating Anchor (DPA) (right figure) is a dynamically installed anchor that has many advantages over conventional solutions. These anchors penetrate to well below mudline into stiff clay sediments thus allowing for taut leg mooring. These factors translate into a cost effective alternative, which is insensitive to water depth.

Our solutions include: geotech- nical analysis, the Deep Pene- trating Anchor and a com- plete mooring line configuration including  shackles, chains, fiber ropes and buoys.

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20.04.10
Statoil invests in Deep Sea Anchors


DPA through water line
Deep Penetrating Anchor  


ONS Innovator
  Deep Sea Anchors was nominated for the
  ONS SME Innovation Award 
 


Development

The development of the Deep Penetrating Anchor (DPA) started in 1996. Since then, national and international patents have been awarded and extensive theoretical analyses and model scale tests (1:25) performed leading up to the first and second 1:3 prototype tests and finally to the full-scale test and qualification in 2009.

Statoil has been a partner since 1998 and contributed with both funding through the LOOP program as well as giving technical advice. The Norwegian Research Council has also supported the Gjøa tests through the DEMO2000 program. Two full-scale anchors were successfully installed in August 2009 and the Deep Penetrating Anchor (DPA) was qualified by class society in the last quarter 2009.

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