A variety of current profile data sources are compared for a deepwater site offshore Brazil. These data were gathered for consideration as part of the Worldwide Approximations of Current Profiles (WACUP) Joint Industry Project, described separately in OMAE2012-83348. The primary source of data for current profile characterisation is site specific full water column measurement. Sufficiently high vertical and temporal resolutions are required to capture the dominant oceanographic processes. Such in-situ data are generally expensive and time consuming to collect, so there is an increasing tendency for numerical model current data to be considered for engineering applications. In addition to being relatively inexpensive and quick to obtain, model data are also typically of much longer duration. This potentially allows inter-annual variability and rare extreme events to be captured. However, the accuracy and reliability of numerical model data remains questionable, or unproven, in many deepwater development regions. This paper explores the suitability of such models to represent a deepwater site offshore Brazil, in relation to the key oceanographic processes revealed within the in-situ data.
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ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
July 1–6, 2012
Rio de Janeiro, Brazil
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4492-2
PROCEEDINGS PAPER
Deepwater Current Profile Data Sources for Riser Engineering Offshore Brazil Available to Purchase
Gus Jeans,
Gus Jeans
Fugro GEOS, Wallingford, United Kingdom
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Liam Harrington-Missin,
Liam Harrington-Missin
Fugro GEOS, Wallingford, United Kingdom
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Christophe Maisondieu,
Christophe Maisondieu
Ifremer, Brest, France
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José Antonio M. Lima
José Antonio M. Lima
Petrobras, Rio de Janeiro, RJ, Brazil
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Gus Jeans
Fugro GEOS, Wallingford, United Kingdom
Marc Prevosto
Ifremer, Brest, France
Liam Harrington-Missin
Fugro GEOS, Wallingford, United Kingdom
Christophe Maisondieu
Ifremer, Brest, France
Christelle Herry
Actimar, Brest, France
José Antonio M. Lima
Petrobras, Rio de Janeiro, RJ, Brazil
Paper No:
OMAE2012-83400, pp. 155-168; 14 pages
Published Online:
August 23, 2013
Citation
Jeans, G, Prevosto, M, Harrington-Missin, L, Maisondieu, C, Herry, C, & Lima, JAM. "Deepwater Current Profile Data Sources for Riser Engineering Offshore Brazil." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Ocean Engineering; CFD and VIV. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 155-168. ASME. https://doi.org/10.1115/OMAE2012-83400
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