About Blackford Dolphin

Operating Parameters

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
Hs 8,4 m, Max wind 100 knots
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
Bulk Mud/Cement

Drilling Equipment

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