Submarine Debris Flow Impact on Pipelines and New ISO 19901-4 DraftStarts: Thu, May 20, 2021 9:00 AM
Ends: Thu, May 20, 2021 10:00 AM
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Fig. 1 Typical impact, 20% clay slurry: (left) suspended pipe scenario, 1.09 m/s head velocity, (right) pipe-on-seafloor model, 1.13 m/s head velocity — consecutive images taken at a rate of 30 frames per second (Zakeri et al., 2008)
Submarine landslides occur frequently on both passive and active continental margins releasing sediment volumes that may travel long distances on gentle slopes (0.5 to 3 degrees) over the course of less than an hour to several days. The flowing debris has the potential to severely damage seabed installations fixed platforms, submarine pipelines, cables and other seafloor installations along its path. Understanding the impact drag forces and consequences of pipeline failure are of central importance in engineering of offshore developments. This presentation focuses on methods developed to estimate the drag forces arising from impact of submarine debris flows on pipelines and codification of those methods in next revision of the ISO 19901-4.
Professional Development Hours:
This webinar counts for 1 Professional Development Hour. Certicates of participation will be provided after the presentation.
About the presenter:
Arash Zakeri, Advisor, Geotechnical Engineering, BP America Inc.
Arash is Geotechnical Engineering Advisor at the Innovation and Engineering Organization in BP America Inc. He has over 20 years of in managing geotechnical and civil engineering scopes in complex and multidisciplinary onshore and offshore oil & gas, civil and mine waste management projects as well as developing strategic and enabling technologies for industry. Arash is an internationally recognized SME in offshore geotechnical engineering, geohazards assessment, wells and risers integrity management and heavily engaged in codification of best practices and industry standards. He is a recipient of the David Hislop Prize in 2014 from the Institute of Civil Engineers (ICE), UK.
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