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1-20 of 548
Keywords: flowline
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31725-MS
.... The work performed covered the assessment of flexible risers, flowlines, umbilicals and rigid gas export line, comprising studies on operational history, simulations, in-loco special inspections (AUT, EMAT and Direct and Indirect flexible riser tensile armour inspections) and actual FPSO and risers...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31817-MS
... Abstract This paper presents the successful design and installation of the EHTF (Electrically Heat Traced Flowline) PLEM (Pipeline End Manifold) using the newly built, highly capable pipelay vessel, Seven Vega. This was achieved by taking advantage of Seven Vega's reel lay firing line...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31805-MS
..., chemicals, and controls for the tieback, and b) an Active Thermally Managed (ATM) flowline system that ties back the subsea wells to the host platform. A description of the principal components (topsides, hull, mooring, risers, subsea systems, and ATM flowline) is provided along with details of the NUI...
Proceedings Papers
Colm O'Beirne, Fraser Bransby, Conleth O'Loughlin, Phil Watson, Meysam Banimahd, Matthew Kuo, Mason Vojkovic, Rose Zhang
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31976-MS
... Rock berms may also provide restraint against axial ‘walking’ caused by cyclic thermal expansion and contraction of flowlines. Walking is well recognised (see Carr et al. 2006 , Bruton et al. 2010 , Bruton 2017 , Tian et al. 2021 ) and driven mainly by heating and cooling during cycles...
Proceedings Papers
High Performance Heated Pipe-in-Pipes: Comparative Constructability Study for Remote Subsea Tiebacks
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31987-MS
... Abstract The High Performance DEH-PiP is a new technology for electrical heating of subsea tie-back flowlines, that minimizes disturbances to the construction and installation process wrt. to standard PiP avoiding the use of internal heating cable, while reaching the same electrical efficiency...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32088-MS
... Abstract The High-Performance DEH-PiP is a new technology for electrical heating of subsea tieback flowlines, able to be used for long distances thanks to an enhanced electrical efficiency. This paper describes the theoretical electrical model of this technology and its experimental...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30954-MS
... management fcm manifold kollsne reduction approx upstream oil & gas platform pipeline troll phase 3 tie-in spool production control reservoir surveillance flowline pressure drop module offshore technology conference valve tree development concept pipeline system Troll Unit...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30969-MS
... structure that provides a vertical out-of-straightness feature and a low friction surface for the pipe to move laterally at a pre-planned location. Sleepers can be made of reinforced cement concrete or of steel. Sleepers elevate the flowline from the seabed, forming design-acceptable spans. Single- or dual...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31130-MS
... objective is to reduce the number of tubes typically with one single heated flowline to avoid a long and costly service line or with one small power cable and local distribution of power to avoid a heavy and expensive large umbilical. Alternatively, power can be generated and stored at drill center location...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31257-MS
...The Rigid Pipeline – A Pursued Solution The 4.8km long flowline was designed to operate under high pressure and high temperature conditions (design pressure of 265bar @ 545m WD, design temperature of 90°C). A High Integrity Pressure Protection System (HIPPS) is located at the RSM manifold...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31211-MS
... Abstract Electrical heat tracing technologies for flowline applications have been in development phase for some time. Yet in recent years, the efforts to deploy this technology on real life applications have intensified, leading to several projects in the industry simultaneously adopting...
Proceedings Papers
Ivan Noville, Milena da Silva Maciel, Anna Luiza de Moraes y blanco de Mattos, João Gabriel Carvalho de Siqueira
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31277-MS
..., each connected to the FPU (Floating Production Unit) by a 6" ID gas injection flowline, a 6" ID water injection flowline and an electrohydraulic umbilical (EHU); Subsea manifolds for water and gas injection (MSIAG) for two wells, such that the connections between each well to the manifold...
Proceedings Papers
Hao Qin, Anqi Qu, Yan Wang, Luis Zerpa, Carolyn Koh, Scot Bodnar, Sean Daly, Thierry Palermo, Khalid Mateen
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30545-MS
... when the pressure and temperature reaches the thermodynamically stable hydrate zone. Hydrates can plug deepwater flowlines, which may lead to the rupture of flowlines and spill or leakage of oil and gas ( Sloan 2010 ). As a result, production and economic losses may exist during operation...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30675-MS
... management. If this oversight had made its way into the final design of flowline insulation, the tieback may well have plugged with wax deposits within a few years of operation. Use of complete forecasts within an integrated simulation framework prevents this kind of issue. Use of an inappropriate...
Proceedings Papers
Fabrice Bacati, Giorgio Arcangeletti, Bruno Breuskin, Riccardo Giolo, Philippe Muguerra, Alessandro Radicioni, Sadia Shaiek, Elvire Sibaud
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30667-MS
... and flowlines which inherently increase with length. These aspects, together with others independent from the length, such as power and space availability, have a significant impact and could result in making the project unfeasible or uneconomical. Technologies developed in recent years, or in their final...
Proceedings Papers
Stéphane Anres, Philippe Muguerra, Fabrice Bacati, Raymond Hallot, Carlos Alberto Capela-Moraes, Thomas Valdenaire
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30731-MS
... A new technology called Local Heating offers the possibility of significantly raising the temperature of the multiphase production fluid in order to improve flow assurance and consequently the economics of field developments. Heating the flowlines is a way to overcome the thermal constraints...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30838-MS
... sits in Shell's Azure cloud, accessible to Shell users from anywhere. Current RTS applications include virtual multiphase metering, blockage detection in wells/flowlines due to asphaltene/scale deposition, and a performance monitoring system for topsides process coolers designed to predict exchanger...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30851-MS
.... This study investigates each scheme by simulating, economically evaluating, and environmental impact assessing both schemes, to enable the right decision and selection of field development plan. separator pressure 700 corrosion resistance alloy flowline subsea scheme development scheme separator...
Proceedings Papers
Jose G. Delgado-Linares, Davi Costa Salmin, Hannah Stoner, David T. Wu, Luis E. Zerpa, Carolyn A. Koh, Khalid Mateen, Scot Bodnar, Philippe Prince, Adriana Teixeira
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30916-MS
...Abstract Abstract Gas hydrate formation in oil and gas flowlines can represent a safety concern and a cause for hindered production, resulting in economic losses. Hydrate risk mitigation can be attained through hydrate avoidance or management strategies. Hydrate avoidance methods aim to keep...
Proceedings Papers
Ashers Partouche, Bo Yang, Chen Tao, Tamim Sawaf, Lina Xu, Keith Nelson, Hua Chen, Deo Dindial, Simon Edmundson, Thomas Pfeiffer
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30879-MS
... formation in an HP/HT well drilled with oil-based mud. Controlled downhole decompression of crude oil in the flowline at a sampling station in Norway enabled real-time measurement of its bubblepoint pressure to within 6 psi of that measured in the laboratory. Another case study integrates accurate relative...