Mighty Servant 3

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Mighty Servant 3

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Career
Name: MV Mighty Servant 3
Owner: Dockwise Shipping B.V.
Port of registry:  Netherlands Antilles
Builder: Oshima Shipbuilding Co. Ltd.
Ōshima, Japan
Yard number: 10074
Launched: 31 December 2009
Completed: 1984
Identification: Call sign: PJWM
IMO number: 8130899
MMSI: 306017000
Status: Operational
Notes: [1]
General characteristics
Class and type: semi-submersible heavy lift ship
Tonnage: 22,391 GT
 DWT
Length: loa: 181.23 m (594 ft 7 in)
lbp: 168.93 m (554 ft 3 in)
Beam: 40 m (130 ft)
Draught: 4 to 22 m (13 to 72 ft)
Depth: 12 m (39 ft)
Depth of hold: 100 x 16 x 7.5 m (330 x 52 x 25 ft)
Hatch: 31 by 14.6 m (102 by 47.9 ft)
Speed: 14 knots (26 km/h; 16 mph)
Endurance: 44 days
Crew: 20

Mighty Servant 3 is a 27,000-ton semi-submersible heavy lift ship. Its deck is 40 by 140 m (130 by 460 ft). The vessel was built in 1984 by Oshima Shipbuilding Co. Ltd. in Ōshima, Japan, for Dutch shipping firm Wijsmuller Transport, which merged in 1993 with Dock Express Shipping to become Breda-based offshore heavy lifting group Dockwise Shipping B.V.

Contents

Service

Most of the cargo transported by Mighty Servant 3 are oil platforms and drilling industry related gear. When loading its mammoth burdens, she takes on thousands of gallons of water into her ballast tanks, which caused her cargo deck to submerge underwater. After the cargo is floated into position, Mighty Servant 3 empties her ballast tanks with pumps that slowly lifts the deck above the waterline to sailing position.

The vessel is capable of carrying the heaviest semi-submersible drilling units, harsh-environment deep-water jack-up rigs and large floating production tension-leg platforms, semi-submersibles and spars with drafts of up to 14 m (46 ft).[2]

In 2010, Mighty Servant 3 was outfitted with oil skimming equipment and used in the cleanup of the Deepwater Horizon oil spill in the Gulf of Mexico.[3][4]

Accidents and incidents

2006 sinking

On 6 December 2006 Mighty Servant 3 sank in 62 m (203 ft) near the port of Luanda, Angola, while offloading the drilling platform Aleutian Key.[5] During submerging to unload cargo, the ship developed a list and continued to submerge beyond design limits. There were no casualties, nor damage to the transported platform.[6]

After 5 months of resting on the seabed, she was salvaged by Dutch salvage-company Smit International and handed back to its owners on 26 May 2007. To pull the vessel from the seabed the 1,200 tonne sheerleg Taklift 7 was used in combination with pumping pressurized air into the closed compartments of Mighty Servant 3. [7] She was transported to Cape Town for repairs, arriving on Sunday 17 June 2007.[7] In August 2009, after an extensive rebuild, she was returned to service.[8]

See also

References

External links


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