Marine pipelines in ice-prone waters are exposed to a number of environmental threats that do not exist in warmer waters. Of particular concern is the damage from ice features such as pressure ridges that drift into shallow areas. The ice keel comes in contact with the seabed and, as the ice feature keeps drifting, it may gouge the seabed to some depth and for considerable distances. Trenching and burial are seen as the best means of protecting these structures, but adequate depth relies on adequate knowledge of these events. This is obtained in various ways. Actual, real-scale events provide valuable information. Seabed mapping allows an appreciation of gouging activity in the target sector. Physical experiments can generate a nearly complete picture of these events, and can be used to validate numerical models. A description is presented of an abandoned marine pipeline in Northern Canada, which represents a rare test case scenario. Plans to conduct field investigations on that pipeline are being considered.
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ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
June 17–22, 2018
Madrid, Spain
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5124-1
PROCEEDINGS PAPER
Risks to Marine Pipelines From Drifting Ice: Gathering the Evidence Available to Purchase
Paul Barrette,
Paul Barrette
National Research Council, Ottawa, ON, Canada
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David McGonigal,
David McGonigal
Glacialis Ice Consulting, Calgary, AB, Canada
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Kenton Pike
Kenton Pike
TechnipFMC, St. John’s, NL, Canada
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Paul Barrette
National Research Council, Ottawa, ON, Canada
David McGonigal
Glacialis Ice Consulting, Calgary, AB, Canada
Kenton Pike
TechnipFMC, St. John’s, NL, Canada
Paper No:
OMAE2018-78258, V005T04A064; 10 pages
Published Online:
September 25, 2018
Citation
Barrette, P, McGonigal, D, & Pike, K. "Risks to Marine Pipelines From Drifting Ice: Gathering the Evidence." Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Pipelines, Risers, and Subsea Systems. Madrid, Spain. June 17–22, 2018. V005T04A064. ASME. https://doi.org/10.1115/OMAE2018-78258
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