Blackford Dolphin

general

 Name  Blackford Dolphin 
 Flag  Singapore
 Owner  Blackford Dolphin Pte. Ltd 
 Manager  Dolphin Drilling Ltd.
 Year Built  1974. Major Deepwater Upgrade 2006/2007 
 Builder  Aker Nylands Verksted AS, Oslo, Norway (1974), Keppel Verolme (2006/2007) 
 Design  Aker H3
 Classification   DNV 1A1, R, Column Stabilised Drilling Unit, HELDK-SH, CRANE and Drill

operatingparameters

 Water Depth   7000 ft Maximum (Outfitted for 6000 ft) 
 Maximum Drilling Depth   30000 ft (9144 m)
 Transit Speed  4,5 knots (towed)
 Survival Conditions  Hs 16,8 m (Hmax 32 m), Max wind 100 knots, Current velocity 2,0 knots
 Drilling Conditions  Hs 8,4 m, Max wind 100 knots
 Length  108,3 m (355,3 ft)
 Breadth  84.1 m (276 ft)
 Height  36,57 m (120 ft), Main Deck elevation above baselinet
 Variable Deck Load  4500 mt (9,920,802 lbs)
 Liquid Mud  5000 bbls (596 m3)
 Bulk Mud/Cement  8 x 2170 ft3

drillingequipment

 Derrick  1500 kips (750 st) Static Hookload Capacity, 40 ft x 35 ft x 160 ft 
 Drawworks  NOV SSGD – 4600 with 4 AC Motors
 Rotary  NOV D-605, 60 ½” opening
 Topdrive  NOV (Hydralift) HPS 750-E-AC-KT with 750 st Load Capacity
 Riser Tensioners   6 x NOV DWRT-200-50 Dual Wireline Tensioners, Max capacity 2,400,000 lbs 
 Motion  Compensators  Crown Mounted Compensator, 1500 kips static / 800 kips (363 mt)  compensating load
 Mud Pumps  3 x NOV 14-P220 with 2200 hp each