GENERAL
Name: Bideford Dolphin
Flag: Singapore
Manager: Dolphin A/S
Year Built: 1975
Builder: Aker Verdal/BMV A/S, Oslo, Norway/A Verkstad, Norway. Major upgrade 1997/1999
Design: Enhanced Aker H-3 design
Classification: DnV + 1A1,Column stabilised drilling unit, CRANE, HELDK, DRILL (N)

MAIN DIMENSIONS
Length: 355ft (108.2m overall)
Breadth: 221ft (67.36m) overall
Depth: 70 ft (21.3m) from main deck

OPERATING PARAMETERS
Water Depth: 1 500 ft (450m)
Maximum Drilling Depth: 20 000 ft
Transit Speed: 4 knots
Survival Conditions: 60ft draft (18.29m)
Drilling Conditions: 1 476ft - 230ft (450m - 70m)

CAPACITIES
Variable Deck Load: 3448 tons (7,723,520 lb)
Liquid Mud: 6600 bbls-(1050m3) (6 mud tanks,+ 2 pontoon tanks)
Bulk Mud/Cement: 22093/0 ft³ 950mt (combined)

DRILLING EQUIPMENT
Derrick: Maritime Hydraulics Ram Rig 394 tons (400mt)
Drawworks: Ram Rig hydraulic cylinders
Rotary: Varco 4950, hydraulic drive
Top Drive: 1hydraulic drive Maritime Hydraulics
Riser Tensioners: 8 x Rucker 100000 lb
Motion Compensators: Maritime Hydraulics Ram Rig concept
Mud Pumps: 3 x Continental Emsco FB-1600

MACHINERY
Main Power: 4 x Bergen Diesel KVGB-12
Emergency Power: 1 x 1.2MW
Propulsion:  2 x azimuth thrusters

SUBSEA SYSTEMS
BOP: 1 x Cameron 18¾in assembly 10k
Control System: Hydril control system + Retrievable Accoustic package.
Diverter: Regan
Choke and Kill: 10k

MOORING
Winches: 4 x Norwinch double wildcat windlasses
Wire/Chain: 8 x 4500ft x 3in diameter K4 stud link chain
Anchors: 8 x 14 tons Steveprice MK6 anchors

CRANAGE
1 x Aker crane; 1 x Molde crane

ACCOMMODATION
100 berths

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