Dolphin drilling - Fleet
Fleet - BLACKFORD DOLPHIN

GENERAL

Name: Blackford Dolphin  
Flag: Singapore
Manager: Dolphin Drilling Ltd. 
Year Built: 1974. Major Deepwater Rebuild 2007/2008
Builder: Aker Nylands Verksted AS, Oslo, Norway (1974), Keppel Verolme (2007/2008)
Design: Aker H3 
Classification: DNV + 1A1, R, Column Stabilised Drilling Unit, HELDK CRANE R

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

DRILLING EQUIPMENT

Derrick: 40 ft x 35 ft x 160 ft, Static Hookload Capacity, 1500 kips (750 st)
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

MACHINERY

Main Power: 4 x Catepillar Model 3612, 3600 KW, 5096 Hp Max continuous power
Emergency Power: 1 x Caterpillar 1800 KW
Propulsion: In-line propulsion system (Propulsion assist mode only)

SUBSEA SYSTEMS

BOP: 18 ¾” Hydril 15k (2 + 3 Cavity)
Control System: ABB / Vetco Multiplex system 
Diverter: Hydril FS 1500 psi
Choke and Kill: 3 1/16” RB Pipetech 15k H2S (including Mud Gas Seperator)

 

 

 

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MAIN DIMENSIONS

Length: 108,3 m (355,3 ft)
Breadth: 84.1 m (276 ft)
Height: 36,57 m (120 ft), Main Deck elevation above baseline

CAPACITIES

Variable Deck Load: 4500 mt
Liquid Mud: 5000 bbls (596 m3)
Bulk Mud/Cement: 8 x 2170 ft3

MOORING

Winches: 8 x NOV BLM W325 AC Single Wildcat, Electric, 293 mt rated pull 
Wire/Chain:  Wire / Chain / Polyester Rope combination 
Anchors: 8 off

CRANAGE

2 x 85 mt @ 16,7 m Knuckle Boom Cranes

ACCOMMODATION

130 (120 in 2-man cabins)

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