... Abstract Petrobras has operated offshore production units on the Brazilian coast for over 25 years. Over time, its facilities are expected to degrade due to the variety of mechanisms of damage that the offshore environment provides. Mooring systems are among the assets that present degradation...

..., the wave-drift load may increase due to the presence of current. A DP system will give much stronger damping than a mooring system of similar restoring stiffness. This will alter the characteristic of the vessel's low frequency motion, which will tend to be exponentially distributed. A consequence...

.... Mean offset is also compensated. Position gains, damping gains and wind feed forward included. Position control, damping and environmental compensation included. Mooring-DP load sharing = 0 Mooring system in pretension setup, all offsets are to be compensated by the thrusters Pre-tension mooring...

... Abstract In 2009, the Vito field was discovered in more than 4,000 ft of water approximately 150 miles offshore from New Orleans, Louisiana. The project produces from reservoirs nearly 30,000 feet below sea level. This paper provides an overview of the Hull & Mooring system, executing...

... Abstract DNV initiated the TAM JIP in 2019 motivated by i) that the industry has experienced mooring line failures where non-optimal operation of thruster assisted mooring systems is believed to be a contributing factor, and ii) that last generation semi-submersible drilling units rely more...

... of the platform, was identified as the main cause for the reduced VIM response. In this paper a coupled approach between the CFD code ReFRESCO and the time-domain mooring code aNySIM-XMF is utilized to investigate the effect of the damping from the riser and mooring systems on the VIM response of a semi...

... Production Unit (FPU). This work addresses the feasibility of an optimized FSHR concept, the Free-Standing Integrated Riser (FSIR), where the pipeline is integrated to the riser by means of a transition section, which is kept in place by a multiple line mooring system, which is designed to keep...

... and innovation on Floating Offshore Wind Turbine (FOWT) technology are progressing to improve the feasibility as well as the economy of the projects. Mooring system is part of major costs components in Floating Offshore Wind (FOW). Reducing mooring loads is desirable to create more room for optimization...

... and discussed in both frequency and time domain to understand its impact on the mooring system response. The yaw misalignments studies are presented for the normal operational DLC1.1 and DLC1.3 with both colinear and cross combinations of the wave, wind, and current conditions. Challenges and benefits...

... Abstract Safe and reliable access to offshore energy, whether it be through hydrocarbon or renewable sources, requires offshore infrastructure held on station by well designed, well installed and well monitored mooring systems. The bounds of what is possible with mooring integrity monitoring...

... of segments of different polymeric fiber is studied. For this, experimental data of multifilaments are used for each of the materials, and for hybrid specimens in different proportions. Numerical simulation of mechanical behavior of hybrid mooring system are carried out based on viscoelastic theory...

... was connected to lazy wave to achieve this transient configuration, maintaining the operating radius of the power cable, with correct I-tube entry angle. For Windfloat floater design, the I.tube are disconnectable from the floater and is self standing in case of disconnection of floater. mooring system...

... Abstract Turret Mooring Systems have a long and successful track record within the floating production industry. Turrets, and other weathervaning mooring systems, provide station-keeping capabilities to a floating facility, and allow for the safe transfer of fluids, utilities, and power, all...

... Abstract This paper presents the mooring system supply and management model and the design of anchors for a semi-commercial Floating Offshore Wind Farm (FOWF): WindFloat Atlantic. A Project Management and Engineering (PME) model has been developed and employed for effective delivery of various...

... for the WFA project. This paper summarizes the overall design process for the WindFloat platform and mooring system that was undertaken during the project engineering phase (FEED and Detail Design), with a large focus on the description of the interface between the wind turbine manufacturer, MHI Vestas...

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... digital twin wellbore design information mooring integrity management subsea system mooring system mechanical engineer international conference case study external environmental condition offshore technology conference fatigue life inspection data template Introduction and Background...

... arctic technology conference mooring system precipitation turbine floe size fuglem thijssen iceberg technology conference ice management canada sea ice load stuckey Introduction Energy Research & Innovation Newfoundland & Labrador is managing and administering the offshore...

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... mooring systems. Additionally, chain corrosion/wear data was collected and summarized as part of the project. When available the data was collected from published sources. However, most of the integrity data came from the eight operator and mooring consultancies companies participating in the project...