Another beauty gone... retired
This is Unocal's commercial video for the Discoverer Spirit
Enjoy
General Description:
Design / Generation: Transocean Enterprise class Drillship
Constructing Shipyard: Astano, Spain
Year Entered Service / Significant Upgrades: 2000
Classification: DNV +1A1
Flag: Marshall Islands
Dimensions: 835 ft. long x 125 ft. wide x 62 ft. deep
Drafts: 42 ft. operating / 33 ft. transit
Accommodation: 200 persons
Displacement: 91,394 st operating
Variable Deck: 20,000 mt operating / 18,000 st transit
Transit Speed: Up to 8 knots
Maximum Water Depth: 10k ft. designed / 10k ft. outfitted
Maximum Drilling Depth: 35k ft
Drilling Equipment
Derrick: Dreco Dual Activity, 226 ft. high, with 80 ft. long, 80 ft. wide base. Hookload Capacity (Main) 2,000,000 lbs. gross nominal capacity (Aux) 2,000,000 lbs. gross nominal capacity
Drawworks: (Main): 2 x Continental Emsco EH-V5000; rated at 1,000 st with a 2 inch line. (Aux): 2 x Continental Emsco EH-V5000; rated at 1,000 st with a 2 inch line.
Compensator: (Main) Varco Crown Mounted Compensator CM-25-1000. (Aux) Varco Crown Mounted Compensator CM-25-1000.
Rotary Table: (Main) Varco BJ RST 605 with a 60-1/2 inch maximum opening, and rated to 1,000 st.
(Aux) Varco BJ RST 605 with a 60-1/2 inch maximum opening, and rated to 1,000 st.
Top Drive: (Main) Varco TDS8S rated to 750 st with a PH-100 pipe handler, and a maximum continuous torque rating of 62,250 lbs. (Aux) Varco TDS8S rated to 750 st with a PH-100 pipe handler, and a maximum continuous torque rating of 63,000 lbs.
Tubular Handling: Varco PRS-5 and PLS-5 pipe racking system, and Varco AR 3500 Iron Roughneck.
Riser Feed: ABB Vetco HY-3 1,000 st hydraulic
Mud Pumps: 4 x National 14-P-220 triplex pumps, each driven by 2 x GE 752 traction motors.
HP Mud System: Rated for 7,500 psi
Solids Control: 8 x Brandt LCM-2D/CM-2 linear motion shale shakers.
Power & Machinery
Main Power: 4 x Wartsila18V32 LNE 9,772 hp diesel engines, each driving ABB AC generators. 2 x Wartsila 12V32 LNE 6,515 hp engines driving ABB AC generators.
Emergency Power: 1 x Wartsila 6R32 LNE diesel engine rated at 3,257 hp and driving an ABB 480V AC generator.
Power Distribution: 22 Baylor/Cegelec SCR system generator protection.
Storage Capacities: Fuel Oil 33,252 bbl, Liquid Mud 15,000 bbl, Base Oil 18,426 bbl, Brine NA, Drill Water 12,321 bbl, Potable Water 7,062 bbl, Bulk Material (mud + cement) 32,000 cu.ft., Sack Storage 16,000 sacks
BOP & Subsea Equipment
BOP Rams: 3 x Hydril 18-3/4 inch 15,000 psi Compact Double Ram Preventer
BOP Annulars: 1 x Hydril preventer. GX Annuflex 18-3/4-inch 10,000 psi annular
BOP Handling: BOP CRANE, 2 X 300 mt skid cart systems
Marine Riser: Vetco HMF –F 21 inch OD and 75 ft. long joints; and 4-1/2 inch ID 15,000 psi choke and kill lines
Tensioners: 6 x Hydralift 400 st direct acting cylinders with a 50 ft. stroke length.
Tree Handling: Xmas tree trolley with xmas tree skid carts
Diverter: Vetco CSO with a 60 inch bore and rated to 500 psi.
Moonpool: 82 ft. length x 39 ft. width.
Station Keeping / Propulsion System
Thrusters: 6 x Rolls Royce Aquamaster 7,000 hp fully azimuthing.
DP System: Kongsberg Maritime Triple Redundant SDP 32 system
Cranes
Cranes: 4 x 100 MT Hydralift electrohydraulic knuckle boom cranes, 6 m to 45 m lift radius.
Other Information
Helideck: Rated for Chinook 234 helicopters, 75 ft x 90 ft
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