GENERAL

Name: Belford Dolphin
Flag: Singapore
Manager: Dolphin Drilling Ltd.
Year Built: 2000
Builder: Samsung Heavy Industries, Kyungnam, South-Korea
Design: Hitec ASA/LMG Marin Sea Prince, Self-Propelled, DP Class 3
Classification: DNV + 1A1, Drilling Vessel, HELDK-SH, EO, DYNPOS AUTRO, ICS, LCS, (DIS), F-M, Oil Storage Vessel (N), Drill (N), CRANE

OPERATING PARAMETERS

Water Depth: 10,000 ft (3048 m)
Maximum Drilling Depth: 39,370 ft (12,000 m)
Transit Speed: 10 knots approx.
Survival Conditions: 100 year sea state North Atlantic
Drilling Conditions: Maximum heave 3-5 m (amplitude) dependent on heave period

DRILLING EQUIPMENT

Derrick: 193 x 50 x 43 ft, dual activity (off-line vertical make-up/break-out of tubulars) drilling Derrick, 1000 st main Hook load; 120 st secondary Hook load; 2 x Crown blocks [DP racked in quadruples & Casing in doubles
Drawworks: Main Drawworks: 6900 hp active heave compensated. Auxiliary Drawworks: 375 hp
Rotary: Wirth RTSS 60 ½”
Topdrive: DDM; 1000-AC-RM
Riser Tensioners: Total 3.200.000 lb, 50 ft stroke
Motion Compensators: Active heave compensated Drawworks
Mud Pumps: 4 x NOV 14-P-220; 2200 hp, 7500 psi

MACHINERY

Main Power: 6 x B&W 16V32/40, 7200 kW each; 6 x generator sets, 6700 kW each at 720 rpm
Emergency Power: 1 x main generator in each engine room above is defined as emergency generator
Propulsion/Station Keeping: 2 x Azimuth thrusters aft, 4000 KW each, 3 azimuth thrusters forward, 4000 kW each. Fixed pitch propellers with variable speed motors

SUBSEA SYSTEMS

BOP: 18 ¾” inch, 15K Hydril Compact Double/Triple
Control System: ABB Offshore Systems
Diverter: Hydril FS 21 / 500 psi
Choke and Kill: 15K