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Keywords: umbilical
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A010, June 21–30, 2021
Paper No: OMAE2021-63384
...Abstract Abstract The umbilical which consists of hydraulic tubes, electrical cables and optical cables is a key equipment in the subsea production system. Each components perform different physical properties, so different cross-sections will present different geometrical characteristic...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A034, June 21–30, 2021
Paper No: OMAE2021-61098
...Abstract Abstract Integrity and stability of Remotely Operated Vehicle (ROV) when passing through the splash zone is one of the main concerns in the design of an ROV-umbilical system. Due to the lightweight nature of ROV in water, the umbilical experiences repetitive rapid transitions between...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A028, August 3–7, 2020
Paper No: OMAE2020-18879
...Abstract Abstract Unique umbilical designs for wave energy converters (WECs), including the ability to handle significantly larger motions and loads over long deployments, are often required when conventional marine umbilical designs for offshore oil and gas and offshore wind may not meet...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A032, June 9–14, 2019
Paper No: OMAE2019-96596
... Abstract One of the major failure modes of an umbilical is found to occur under simultaneous bending, tension and torsion. Umbilical cables are compatible in bending but have a rigid response to tension and torsion, hence validation the axisymmetric performance of it, is a significant matter...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A024, June 9–14, 2019
Paper No: OMAE2019-95988
... Abstract Nowadays, the weight of steel pipelines restricts the development process of deep-water oil and gas. Using spiral carbon fiber reinforced rod instead of the steel armored layer in the umbilical can effectively solve the contradiction between carrying capacity and self-weight...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A025, June 9–14, 2019
Paper No: OMAE2019-96006
... Abstract Two dynamic umbilicals in a tethered lazy wave configuration were required to be wet parked in an ultra-deep environment with a water depth in excess of 2900m. The close proximity to the pre-installed mooring lines, along with the in-place configuration requirements (seabed connection...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 5: Materials Technology; CFD and VIV, 355-364, June 15–20, 2008
Paper No: OMAE2008-57544
... 24 07 2009 Umbilicals use steel tubing of different sizes to carry various pressurized fluids. During manufacturing, transportation and installation of the umbilicals, the tubing is subjected to reeling and unreeling operations, resulting in a cumulative amount of plastic strain...
Topics: Fatigue, Tubing
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 65-77, June 12–17, 2005
Paper No: OMAE2005-67024
... fatigue estimation. This bandwidth parameter has been successfully applied by the authors to investigate in detail the curvature (bending stress) response of the Foinaven lazy-wave umbilical for investigations into VIV. This parameter is valuable since as a single value it may be used to track...
Proceedings Papers

Proc. ASME. OMAE2006, Volume 3: Safety and Reliability; Materials Technology; Douglas Faulkner Symposium on Reliability and Ultimate Strength of Marine Structures, 645-655, June 4–9, 2006
Paper No: OMAE2006-92579
... 07 10 2008 One key component of umbilicals is the steel tubing carrying the pressurized fluids. During manufacturing and deployment of the umbilical, the tubing is subjected to a series of reeling and unreeling operations, resulting in a cumulative amount of plastic strain...
Topics: Fatigue, Tubing
Proceedings Papers

Proc. ASME. OMAE2006, Volume 4: Terry Jones Pipeline Technology; Ocean Space Utilization; CFD and VIV Symposium, 475-486, June 4–9, 2006
Paper No: OMAE2006-92010
... Umbilical Monitoring System (FUMS) have enabled a detailed review of more than 22,000 records of curvature and other key parameters, each of about 7 minutes duration from January to May 2001. A strategy had to be established to process in an efficient manner the very many records. This paper presents...