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Keywords: riser system
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32303-MS
... at the bottom of the riser. In conclusion, the novel riser system should be more economical and safer than the traditional FSHR, being possible to obtain large savings with equipment and installation time, while keeping the same advantages of being decoupled from the FPU motions and allowing for the pre...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31259-MS
... condition during the life of field including fluid contents and top tension. One solution to reduce this uncertainty is to deploy a fatigue monitoring system to assure the long-term integrity and performance of these riser systems. This paper presents results from a recent TTR monitoring campaign...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30625-MS
... riser system operation Steffen Knodt , : Development and Engineering of Offshore Mining Systems - State of the Art and Future Perspectives. OTC 27185, 2016 . Rudolf Alikin , Vladimir Basovich , Mikhail Gelfgat , Vadim Tikhonov , and Valery Chizhikov...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29608-MS
... of the riser systems and explore the possibility of life extension in a structured and systematic way. A Deep Draft Caisson Vessel (DDCV), has been keeping up its class services for the past 17 years since it was installed in 2000. It was expected to extend the riser design life by 10 more years. This paper...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28908-MS
... John Cromb , " Development and Installation of a new generation outer riser system on Anadarko's Constitution spar ", November 2006 , Deep Offshore Technology . API 5C5/ISO13679:2002 , " Recommend Practice on Procedures for Testing Casing and Tubing Connections", July 2003...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28732-MS
... on every floating platform and on every riser system attached to the vessel. This is due to the high perceived capital or operational costs of direct subsea monitoring when deployed on every riser to reliably monitor over the entire service life. Furthermore, monitoring devices are typically installed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28869-MS
... challenges due to the high pressure/high temperature (HPHT) environment. Conventional designs may not be able to withstand the higher combination of loads expected for offshore HPHT wells. This paper describes the development of a new generation marine drilling riser system with advanced automation capable...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28895-MS
... Abstract In case of conventional shallow-draft semisubmersibles, unacceptably large riser stroke was the restricting factor for dry-tree-riser-system development. Many developments to address this issue have focused on using larger draft and size with extra heave-damping plates, which results...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28624-MS
... to their limits. Therefore, there is a need to understand the feasibility of riser systems in these conditions and consequently to close any potential gaps between the current qualified technology and the outlined project specifications for a number of key riser components. For conventional reservoirs...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27769-MS
... Abstract HORA (Hinge-Over Riser Assembly) is a new riser system that improves the traditional Free Standing Riser (FSR). The system includes an articulated horizontal connection located at the base structure, eliminating the requirement for a subsea base jumper between the flowline and riser...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27889-MS
... Conference is prohibited. Permission to reproduce in print is restricted to an abstract of not more than 300 words; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of OTC copyright. Abstract Fatigue damage to mooring lines and riser system components due to current...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27161-MS
... in Figure 5 depending on riser type. For the risers system this usually means having riser porches on both sides of the FPSO. For specific vertical hybrid risers (Single Hybrid Riser - SHR, Hybrid Riser Tower - HRT), it can also mean having riser porches on one side only of the FPSO but allowing flowlines...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25651-MS
... Abstract Turret-Moored FPSOs are more and more used for deepwater developments worldwide, with consideration of disconnectable turrets for harsh environment applications. This trend makes the interactions between FPSO and riser system, and the optimized selection of the riser system, of greater...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25763-MS
.... Component loads developed from global analysis are included as user requirements, as are updated supplementary requirements for materials. The verification and validation must be documented. Scope This standard addresses riser systems that are part of a floating production system (FPS). Guidelines...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25932-MS
..." Ansys R15 Mechanical APDL Theory Reference O. M. Faltinsen , "Sea Loads on Ships and Offshore Structures" OTC-25932-MS Ultra-Deepwater Steel Riser Systems Hosted on FPSOs Offshore Brazil M. Moreu, M. Taboada, A. Taboada, C. García, and J. Moreu, Seaplace; A.M. Mansour, Intecsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25937-MS
... Janeiro at the South-East deep water sector of the basin. At this area there is a water depth range from 2600 to 2900 m. Water depth is a relevant challenge. Even though the FPSO and Semisubmersible floaters themselves are not limited by a maximum water depth; mooring and riser systems can be limited...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26030-MS
.... The pull tube requires special hardware (e.g., a double-tapered stress joint) near the keel of the Spar where platform motions are first transferred to the riser system. Each of these options for the riser interface has advantages and disadvantages. The Gulfstar FPS utilized both pull tubes and a riser...

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