Greater Stella area development

Provision of FPSO (FPF-1) mooring system installation

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Scope of work

Project	Comprised of the engineering, onshore marshalling, inshore loading (Rotterdam), offshore transport and installation, including pre-tensioning, of all mooring lines at location. Each mooring line consisted of several chain/tri-chain sections, shackles, tri-plates, H-links and spiral strand wires (SSWs) connected to a mooring pile driven into the seabed. In addition, a SAL anchor pile is installed.
Location	Central North Sea, UK Block 29/10a & 30/6a
Water depth	90 m
Client/Operator	Ithaca Energy Inc.
Award date Installation date	Q1 2014 Q3 2014

SIMILAR PROJECTS

Load-out, transport and installation

The scope of work comprises the receipt, marshalling and preparation for installation of mooring components. Load-out, transport and installation of 24-off T-120 torpedo mooring pile and bottom chains. Components for Riser and Umbilical mooring system consisting of 11-off T- 35 torpedo mooring pile and bottom chains.

Phase 2

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Phase 3

Technical data

Quantity / Size / Weight

12-leg FPSO mooring comprising of:
• 12+1 x 84” x 35 m Driven Anchor Piles
• 7 km of Ø 120 mm Chain / Ø 127mm Tri-Chain
• 9.5 km of Ø 115 mm sheathed Spiral Strand Wire

Equipment Resources

Installation Vessel

Key Equipment

HLCV Fairplayer and OCV Olympic Hera
• IHC S-800 Hydrohammer
• 84” ILT
• 72”- 96” Fast Frame
• SSW RDS + 20 t tensioner
• 50 t Pull Chain Winch
• 2 x Work Class ROV

MORE ABOUT THE VESSEL