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Proceedings Papers

Proc. ASME. OMAE2022, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T04A031, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-79044
... Abstract Over decades, free-hanging steel catenary riser (SCR) has been regarded as a cost-effective and straightforward system for riser solutions in deepwater and ultra-deepwater by National oil companies NOCs, international oil companies IOCs, and independent players. However, the free...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A041, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-96261
... of Shetland, offshore Eastern Canada, along Ireland’s Atlantic margin, in the South Atlantic Ocean and offshore South Africa. All these locations are characterized by the challenges of deepwater, powerful ocean currents and high seas. With the lower oil price environment, carrying out drilling operations...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 407-417, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-83660
... Deepwater Moorings Model Testing Truncation Dynamics This paper is concerned with the difficulties in model testing deepwater structures at reasonable scales. An overview of recent research efforts to tackle this challenge is given first, introducing the concept of line truncation...
Proceedings Papers

Proc. ASME. OMAE2009, Volume 3: Pipeline and Riser Technology, 197-205, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79291
... to investigate whether the deepwater welding procedure may also be used in shallow waters, and which modifications for the lower pressure conditions need to be made. Test welding has been performed in the pressure range from 36 to 1bar corresponding to 350 to 0m sea water depth to study the effect of ambient...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 3: Pipeline and Riser Technology; Ocean Space Utilization, 361-368, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57417
... Thermal expansion management of high pressure and high temperature (HPHT) pipelines using buckle initiators and anchors has proven to be a viable approach for projects in the deepwater Gulf of Mexico. In this study, using suction piles as pipeline anchors is discussed, as suction piles represent...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 3: Pipeline and Riser Technology; CFD and VIV, 261-268, June 10–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2007-29289
.... The paper describes the general architecture of a minimum Hybrid Riser Tower riser production system to be used for a drill centre, and the results of wake interference analysis for single bore HRTs and for a drill centre HRT’s in deepwater West Africa and GOM for turret-moored FPSO’s. deepwater...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 315-329, June 10–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2007-29325
... 22 05 2009 Several initiatives have been undertaken by the operators, engineering companies, product manufacturers, and regulatory bodies to enable increased use of steel catenary riser (SCR) design in development of deepwater and ultra-deepwater fields. Some of these efforts focus...
Proceedings Papers

Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, 307-311, June 23–28, 2002
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2002-28153
... 04 03 2009 New types of current profile criteria are described that are designed to take into account the vertical coherence of deepwater currents in offshore engineering. Reasoning is given why traditional types of current profile criteria can be inappropriate for deepwater locations...
Proceedings Papers

Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 4, 117-124, June 23–28, 2002
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2002-28166
... 04 03 2009 The mechanisms of phase re-distribution and of gas/condensate flow in a deepwater lazy-wave riser after system shutdown are studied numerically and theoretically. This is the second of three papers in series. The investigated system consists of a 15-mile long subsea pipeline...
Proceedings Papers

Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 3, 339-347, June 23–28, 2002
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2002-28464
... insulation systems include lack of experience on the performance of these systems in long-term deepwater service and relatively low temperature limits when exposed to hot/wet conditions. At present, tests for assessing their thermal and physical properties are manufacturer-dependent and, for a purchaser...
Proceedings Papers

Proc. ASME. OMAE2003, Volume 2: Safety and Reliability; Pipeline Technology, 473-480, June 8–13, 2003
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2003-37470
... 09 01 2009 This paper describes the methodology used by BP on two deepwater projects to assess the reliability level of submarine slopes in the deepwater Gulf of Mexico environment. The paper describes the necessary steps in the analyses: establishing a geological model, properly...
Proceedings Papers

Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 709-715, June 20–25, 2004
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2004-51405
... model and interaction between the riser and the r. The main conclusion from the study is that most from parameter variations are weak and often adowed by a more stochastic variation caused by the t complexity of the mechanical behaviour during e. ywords: Riser, Collapse, Deepwater, Footprint DUCTION e...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 619-627, June 12–17, 2005
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2005-67307
... This paper will present the key drivers for design of riser towers in these environ impact on the bundle cros tank size, flexible jumper and explained both in installation. As FPSO units are likely Gulf of Mexico deepwate benefit of riser towers wi facilities for fabrication installation. Other...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 147-156, June 12–17, 2005
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2005-67062
... are made to simulations in the time domain. The highlights the effect of certain common approximations, recommendations are made regarding the development of ient modeling techniques. ords: Floating structures, Deepwater, Coupled analysis DeepStar [1], have established that the separated analysis approach...
Proceedings Papers

Proc. ASME. OMAE2006, Volume 3: Safety and Reliability; Materials Technology; Douglas Faulkner Symposium on Reliability and Ultimate Strength of Marine Structures, 323-330, June 4–9, 2006
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2006-92593
... 07 10 2008 This paper presents an illustrative example of the reliability assessment of suction piles foundation in clayey soils for deepwater applications. The results of two reliability approaches, using suction piles as the foundation system for tension leg platforms (TLPs) under...
Proceedings Papers

Proc. ASME. OMAE2006, Volume 4: Terry Jones Pipeline Technology; Ocean Space Utilization; CFD and VIV Symposium, 463-468, June 4–9, 2006
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2006-92644
... southward direction. loop current eddy deepwater salinity temperature Proceedings of OMAE2006 25th International Conference on Offshore Mechanics and Arctic Engineering June 4-9, 2006, Hamburg, Germany Copyright© 2006 by ASME 1 depth. The aim of this project is to supply the necessary water...