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Keywords: stiffness
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35214-MS
... stiffness correlation Introduction Over the past 40 years flexible pipe has been an enabler for subsea field development in harsh environment based on floating production units as well as for lowering riser and flowline installation cost as an alternative to rigid pipeline. Over that period...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35174-MS
... are presented and the potential for further development is discussed. mooring system h-link torsional stiffness stiffness psd excitation eigenmode sensor frequency eigenfrequency offshore technology conference digital twin storm polyester mooring line deepwater field subsea system...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35208-MS
... Abstract A novel Vertically Moored Semisubmersible (VMS) for deep water is proposed as a small footprint and cost effective floating offshore wind turbine (FOWT). In contrast to the stiff tendons in a conventional Tension Leg Platform (TLP), VMS is a ‘soft’ system with long natural periods...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35191-MS
... with low tension in the tag lines. This innovative approach promises to enhance the efficiency and safety of maintenance operations for floating offshore wind turbines, addressing the unique challenges posed by their remote locations and size. sustainable development crane stiffness social...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35156-MS
... installation gdp 1 sustainable development gdp underwater noise delft university torsional excitation social responsibility programme stiffness kementzetzidis lateral loading programme tsouvala tseta Introduction The global demand for renewable energy has intensified in recent years...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35241-MS
... technology conference scf cyclic loading geology loading stiffness mechanism displacement simulation buoyant tower reconsolidation reduction scenario resistance foundation static loading engineering Introduction The concept of buoyant tower (or, BT) is derived from spar and compliant...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35482-MS
... loading adaptive mechanism friction geology reservoir geomechanics mechanism adaptive drill-bit application figure 4 requirement offshore technology conference densification stiffness figure 6 Introduction The oil and gas drilling industry has grappled with the persistent issue...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32279-MS
... Abstract Due to their non-linear bending response, low bending stiffness and potentially high axial expansion coefficients, buried unbonded flexible pipes can be susceptible to Upheaval Buckling (UHB). The traditional industry approach is to prevent UHB by providing sufficient download to limit...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32399-MS
... extreme wave loads along different directions. The proposed design can provide significantly larger deck space that may be reserved for temporary well-intervention equipment compared to conventional designs without considerable increase of structural steel. platform design deflection stiffness...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32487-MS
... length change upstream oil & gas casing design surface wellhead asia government mudline bml section stiffness aml section presented displacement force profile mlh shoulder incremental force casing and cementing completion installation and operations shoulder force string 2 string 3...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31023-MS
... system clearance axial force magnetic field stator displacement axial spacer magnet stiffness passive bearing permanent magnet diameter requirement bearing axially upstream oil & gas magnetic spacer rotor application positive stiffness radial stiffness Introduction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31171-MS
... loading stiffness pre-tension regime installation vessel An ideal mooring system would require minimum to no adjustment post installation, though several platforms perform pull-in pay-out operations to distribute the fatigue stress among several links of the top chain or to mitigate fatigue...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30867-MS
... are not commercially feasible from the same location due to low reservoir capacity, a cost-effective fit-for-purpose structure is proposed for supporting immediate production operation. bottom surface tie brace installation production operation spring stiffness stiffness passive resistance upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30475-MS
... are balanced towards a minimum Levelized Cost of (electrical) Energy, the benefit of small size, light weight and stiff mooring lines are crucial. Principle Power (PP) is the first FOWT technology provider that has incorporated HMPE mooring lines in their FOWT platform design. The design is used in EDP's...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30690-MS
.... mooring system accuracy coefficient frequency model test vessel model upstream oil & gas operation estimation objective function correspond parameter value stiffness artificial intelligence marine operation high-precision data prediction forecast simulation wave direction surge...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30887-MS
... upstream oil & gas chain link test segment operation rope segment appomattox chain segment towimor installation stopper specification chain jack platform chain requirement subsea system mooring system artificial intelligence project team rope manufacturer manufacturer stiffness...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30700-MS
... through full scale physical tests. The FE modelling also contributed to the insight gained regarding the overall behaviour of the system. floating production system centralizer contact pressure dented foc stiffness shell element model tensile force cable dent ehtf system element model...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30855-MS
... the simplified method is discussed. procedure upstream oil & gas calculation analysis procedure dnvgl-rp-n103 section 6 input parameter stiffness offshore technology conference hydrodynamic pressure soil bearing capacity soil displacement resistance water evacuation area suction pile...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30465-MS
..., while the mobilization to reach the peak resistance is dependent on the rock berm stiffness. Based on the results from this study, a simplified design chart is presented which provides the lower bound peak lateral resistance for a given pipe diameter under typical rock berm with cover to top of pipe...

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