OSD-IMT Projects Drillship Thruster “Aban Abraham” Upgrade

Drillship Thruster “Aban Abraham” Upgrade

OSD-IMT was contracted by Ulstein Sea of Solutions BV to develop the Classification Design Drawings for adding two frequency controlled electric motor driven, retractable azimuth thrusters and associated equipment, drives and transformers in the sponson spaces, one port aft and starboard forward, against a scope of work defined and project managed by USoS.


Type of Vessel
Pelican Class Drillship with Sponsons
Length Overall
148.6 m
Length BP
136.8 m
29.8 m
Depth Mld
12.3 m
Operating Draft Range
7.5 m
Positioning Sytem
Dynamic Positioning DP3
350 Persons
11.0 knots trial, 10.0 knots service
Installed Power
6 x 2780 kWe
Water Depth
2000 m
Drilling Depth
7620 m
Drillship Thruster Aban Abraham Upgrade 1


Classification approved steelwork drawings for additions.
Classification approved arrangement drawings for thruster installation.
Clasification approved machinery drawings for thruster installation
Classification approved systems drawings for thruster installation
Local FEA and 3D beam analysis

Preliminary steelwork material take-off
Preliminary piping systems material take-off
Prodcution drawings for steelwork and ShipConstructor 3D model
Pipework production drawings
Associated outfit, electrical and systems production drawings

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