harnessing offshore mooring experience and anchoring technology for the floating renewable ...

61 Pages·2017·4.92 MB·English

VRYHOF_2017 VOORSTEL A
HARNESSING OFFSHORE MOORING EXPERIENCE AND
ANCHORING TECHNOLOGY FOR THE FLOATING
RENEWABLE ENERGY SYSTEMS
SENOL OZMUTLU
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
Contents
•
Introduction
•
Mooring systems and Anchors
•
Completed demo projects in Floating Renewables
•
Lessons Learned
•
Demands and Trends
•
New enabling tools and technologies
•
Expected cost reductions in commercial scale developments
•
Conclusions
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
Introduction
• Vryhof is a mooring and anchoring company founded in 1972, headquartered
near Rotterdam, The Netherlands. www.vryhof.com

• Since then invented designs like; Stevin®, Stevpris®, Stevshark®,
Stevmanta®, Stevtensioner®, Stevtrack® and supplied 10400 anchors to the
industry….

• Today we
• design, manufacture and supply High Holding Power (HHP) anchors, suction piles,
dynamically embedded anchors, gravity anchors, and tensioning equipment
• Design and supply mooring systems
• Provide offshore Installation assistance
• Carry out FEED studies and other Engineering services
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
Many of the offshore structures are floating
and moored
23 April, 2018 Name speaker - Occasion
Slide title to be confirmed
VRYHOF_2017 VOORSTEL A
Upstream and Downstream activities in Oil
and Gas Sector
Offshore drilling activities: MODUs,
Offshore production activities: FPU,
drillships FPS, etc.
23 April, 2018 Name speaker - Occasion
Slide title to be confirmed
VRYHOF_2017 VOORSTEL A
Upstream and Downstream activities in Oil
and Gas Sector
Offshore storage/offloading: FSO, Offshore terminal systems:
FPOS, FSRU, etc. SPM/CALM, CBM, etc.
23 April, 2018 Name speaker - Occasion
Slide title to be confirmed
VRYHOF_2017 VOORSTEL A
AND Renewable energy systems:
floating wind, wave, tidal, current, and OTEC devices
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
How are these floating units kept in position
Source: WindEurope 2017
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
Moring systems in general
Catenary Mooring Taut and Semi-taut Mooring
• chain • synthetic rope
• wire rope • wire rope
• drag embedment anchor • vertical loaded anchor (VLA)
23 April, 2018 Name speaker - Occasion
VRYHOF_2017 VOORSTEL A
Moring system elements
23 April, 2018 Name speaker - Occasion