For optimal exploitation of this deposit, 02 semi-submersibles for difficult environments have currently been installed, all equipped with propulsion systems, and several equipped with dynamic positioning systems.
Constructing Shipyard Mitsui Engineering & Shipbuilding Tamano, Japan
Classification DNV, 1A1
Dimensions 320 ft. (97.5 m) long x 251 ft. (76.5 m) wide x 154 ft. (47 m) Deep
Drafts 92 ft. (28 m) operating / 43 ft. (13 m) transit
Accommodation 146 persons
Displacement 54,782 st (49,697 mt) operating / 38,708 st (35,115 mt) transit
Maximum Water Depth 5,000 ft. (1,524 m) designed / 5,000 ft. (1,524 m) outfitted
Maximum Drilling Depth 30,000 ft (9,144 m)
Fuel Oil 11,100 bbl (1,765 m3)
Liquid Mud 3,300 bbl (525 m3) Active / 0 bbl Reserve
Base Oil 2,350 bbl (374 m3)
Brine 4,060 bbl (645 m3)
Drill Water 17,120 bbl (2,722 m3)
Potable Water 4,365 bbl (694 m3)
Bulk Material (barite/bentonite) (mud + cement) 30,000 ft3 (850 m3)
Sack Storage 10,000 sacks
Constructing Shipyard DSME
Classification DNV GL + 1A1 Column Stabilized Drilling Unit (N)
Dimensions 380.5 ft.(116 m) long x 3,205 (97 m) wide (main deck)
Drafts 82.5 ft. (25.15 m) max operating / 76 ft. (23.15 m) operating / 31 ft. (9.45 ) mtransit / 64 ft. (19.5 m) survival
Accommodation 130 persons
Displacement 66,275 st. (60,124 mt)
Maximum Water Depth 1,640 st. (500 m)
Maximum Drilling D27,887 ft. (8,500 m)
Fuel Oil 16,354 bbl. (2,600m3)
Liquid Mud 9,089 bbl. (1,445m3)
Base Oil 3,956 bbl. (629m3)
Brine 4,277 bbl. (680m3)
Drill Water 9,485 bbl. (1,508m3)
Potable Water 4,283 bbl. (681m3)
Bulk Material (barite/bentonite) 2,139 bbl. (340m3)
Sack Storage 1,113 bbl. (177m3)
