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Superior - Endeavour

William Jacob Management performed a conversion of a 30 year old supply vessel into a state-of-the-art dive vessel for Superior Offshore International, a leading provider of subsea construction and commercial diving services on the outer continental shelf of the Gulf of Mexico. The Superior Endeavour, a DPII dive support vessel, vessel and equipment underwent the upgrades beginning the first week of February 2007. The 265 foot Endeavour was outfitted with a 50-ton knuckle-boom crane, a more powerful below-deck generator which will dramatically increase the vessel’s electrical on-deck power supply, and a completely rebuilt saturation diving system rated to a maximum depth of 1,000 feet.



Superior Endeavour

On September 4, 2007, the Superior Endeavour, a DP II vessel, returned to work after the $25 million upgrade with the help of William Jacob Management. The state-of-the-art multipurpose diving support vessel can work on deepwater jobs anywhere in the world.


The Endeavour successfully completed sea trials following the upgrade and was mobilized for Mariner Energy's Bass Lite Project in the Gulf of Mexico where it assisted with the installation of a flowline into the Devil's Tower facility."


The vessel upgrades included:


Installation of a 12-man IMCA compliant integrated 1,000 foot/300 meter saturation diving system, including a hyperbaric rescue chamber and a three-man diving bell


Installation of a 50-ton knuckle-boom crane


A dynamic positioning system power management upgrade


Overhaul of the main engines and ancillary machinery


Refurbishment of all shipboard piping


Installation of new generators and engines for the DP system


Upgrade of the integrated 35-ton vessel pipe-davit system


Installation of an IMCA compliant surface diving system


Upgraded and increased accommodations to house 71 persons


Installation of client and project offices, with upgraded IT and worldwide communications systems


WJM Scope of Work

Vessel's Details

Ship Type: Diving support vessel
Year Built: 1975
Length x Breadth: 81 m X 18 m
Gross Tonnage: 3665

Dead-weight: 2703 t
Speed recorded (Max / Average): 5.9 / 5.9 knots
Flag: Vanuatu [VU] 
Call Sign: YJUS3
IMO: 7393810, MMSI: 576034000




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