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Marine Growth on North Sea Fixed Steel Platforms: Insights From the Decommissioning Industry

[+] Author Affiliations
Chadi Mallat, Marc Lefranc

Force Technology, Hvalstad, Norway

Alistair Corbett, Glyn Harris

BP, Aberdeen, UK

Paper No. OMAE2014-23352, pp. V01AT01A021; 10 pages
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1A: Offshore Technology
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4537-0
  • Copyright © 2014 by ASME


It is reputed in the Oil & Gas industry that marine growth is overestimated in the North Sea. Can we quantify this overestimation to better tackle the challenges marine growth incurs?

This paper provides insight into the intrinsic and diverse nature of marine growth. It documents the biofouling development and the factors that affect it globally. Focus is made on fixed steel platforms in the North Sea approaching the end of their economic lives. A methodology to quantify the weight of marine growth is proposed and illustrated. 28 years after its installation, the weight of marine growth accumulated on Valhall 2/4G jacket located in Southern North Sea is evaluated based on the proposed method. It is confirmed that the current regulations overestimate the weight of marine growth in the North Sea.

Copyright © 2014 by ASME



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