Shell Vito
Transport and installation mooring system
Scope of work
| Project | Comprises the fabrication of suction piles, marshalling and load -out, transport and offshore installation of mooring system components consisting of 12 -off anchor piles including installation of 12-off ground chain segments, polyester ropes, platform chain and ILMT. |
| Location | US Gulf of Mexico, MC Block 939 |
| Water depth | 1250 m |
| Client/Operator | Shell Offshore Inc. |
| Execution | Suction Piles in Q2 2019 / Mooring Lines 2020 |
Load-out, transport and installation
The Vito project is situated in the Mississippi Canyon, about 242 kilometers south of New Orleans, Louisiana, USA. It is positioned in water depths exceeding 1200 meters. A total of eight subsea wells with deep in-well gas lift was part of the development. The installation contract involved the initial pre-lay of the mooring system as well as the subsequent tow and hook-up of the FPS.
Technical data
| Quantity / Size / Weight | Mooring System Components (each leg): • Suction Anchor: Ø 5,5 m x 24,3 m (173 t) • Ground Chain: Ø 135 mm x 215 m • Polyester Rope: 2 x 1075 m 207 mm • Adjustment Chain: Ø 130 mm x 300 m |
Equipment Resources
| Installation Vessel
Key Equipment |
Phase 1 – HLCV Fairplayer • Passive heave compensator • 2x Work Class ROVs with Suction Pumps • LBL Survey spread Phase 2 – HLCV Fairplayer • RDS / 4-track Tensioner • Karmoy Chain Winch • 2 x Work Class ROVs |
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Brian Boutkan
Manager Commerce Offshore
T: +31 (0)10 7900 300
M: +31 (0)6 11 92 66 10
E: b.boutkan@jumbomaritime.nl
