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Keywords: subsea tree
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35781-MS
... Abstract Yggdrasil is the largest ongoing project development on the Norwegian Continental Shelf. It includes three production platforms, nine subsea manifolds, and 38 subsea trees. This paper highlights three innovative approaches implemented in the project: the use of optimized subsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30564-MS
... of Shetland, BP North Sea discovered they had a problem with subsea tree mounted pressure and temperature sensors that whilst dual redundant, still completely failed over time. The measurements are required by the local regulatory body to comply with monitoring of asset integrity and as such once failed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28677-MS
... to reach from existing manifold to the new subsea tree a tie-in skid with a flow loop supported by a mud mat and two approximately 25-meter-long jumpers a tie-in skid with a flow loop supported by the abandoned wellhead from the replaced tree a step-over jumper (SOJ) supported by a suction pile...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27589-MS
...Planning and Preparation After reviewing the specifications of the intervention vessel, three additional project-specific materials were identified: an adaptor to crossover from the WCP to the subsea tree; a production stab seal that straddles the tubing hanger and WCP bores; and a multiple...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25970-MS
... bnw project contractor strategic planning and management fabrication yard compliance project management certificate subsea tree snepco References References Gilbert , R. , Jenkins B. 2014 . Shell: Building Capacity in Offshore Deep-water Oil Production to Support Economic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25773-MS
... related to subsea trees, control systems, subsea manifolds, diverless connection systems, subsea flowlines, umbilicals and risers for the production systems are presented, as well as the flow assurance issues. The risers and pipelines for produced gas flow to shore are also covered. Considering the large...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25790-MS
... project management fabrication yard upstream oil & gas local content scope nogicd act strategic planning and management upgrade subsea tree snepco References References Gilbert , R. , Jenkins B. 2014 . Shell: Building Capacity in Offshore Deep-water Oil Production to Support...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20495-MS
... as subsea trees. Some of the equipment deployed from the Azurite FDPSO included: subsea trees, flexible well jumpers, steel tube flying leads and electrical flying leads. well jumper subsea system subsea construction vessel subsea equipment flowline crane offshore technology conference fdpso...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20649-MS
... conference artificial lift system spacer spool assembly conductor subsea tree installation spacer template OTC 20649 Parque das Conchas (BC-10) Subsea Hardware Systems: Selection, Challenges and Lessons Learned L. A. Olijnik and D. A. La Caze, Shell International E&P, Inc. Copyright 2010, Offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20108-MS
... Abstract This paper reviews the role of subsea well systems in the light of advances in broader subsea systems technology. This will facilitate a better understanding of the changing role of subsea trees in particular, and how they may still exert significant influence on the performance...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19552-MS
... with high water content Added perforation in new production intervals Install insert replacement downhole safety valves. rlwi cable requirement wireline tool grease offshore technology conference drilling equipment control system subsea tree well intervention downhole intervention...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18949-MS
... upstream oil & gas eastside flowline remediation of hydrates cooldown performance field data scale inhibition oilfield chemistry effectiveness production chemistry flow assurance asphaltene inhibition offshore technology conference riser cold startup startup subsea tree prediction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-17972-MS
... formation. While considerable experience has been gained in the thermal design to insulate subsea trees, well and flowline jumpers, manifolds sleds and associated equipment, there is very little published data on field experience. This paper highlights the thermal design philosophy, describes the thermal...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16228-MS
... was driven by a requirement to achieve first oil in late 2003. valve completion operation subsea tree offshore technology conference frac pack bop stack packer completion installation and operations otc 16228 downhole completion barrier completion design rig assembly upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16531-MS
... and financial expectations. The Zia project achieved first oil in June 2003, just 18 months from commencing the development concept selection process and 12 months from project sanction. The Zia team attributed this success to a compressed process where criticalpath subsea hardware including subsea tree...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16533-MS
... Abstract Recycling of subsea trees and completion equipment is becoming a practical and efficient means of developing small subsea reservoirs that were previously considered not economical. However, there are concerns and tradeoffs that an operator may be faced with when developing a solution...

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