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Discoverer Spirit

  • By Rig Lynx
  • Mar 14, 2021
  • Category : Video Vault
  • Views : 3558

 

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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Feb 23, 2021

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