This summary provides key details about the Earl & Wright Sedco 700 series drilling unit from the document:
The drilling unit is 227 feet long, 197 feet wide, and 120 feet high. It was built in 1985 and can operate in up to 1,500 feet of water and drill to depths of 25,000 feet.
The drilling equipment includes a 185 foot derrick, three 1,600 horsepower mud pumps, a 650 ton top drive, and BOP stack with an 18 3/4 inch 15,000 psi five ram preventer.
The unit has accommodations for 100 people and is powered by three 3,320 horsepower diesel engines and one emergency power generator. It has storage capacities
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17 - Guardian
1. Dec 2014
These specifications are intended for general reference purposes only, actual equipment may vary upon the contract situation and customer needs
GENERAL DESCRIPTION
Design. Earl & Wright Sedco 700 Series
Year Entered Service... 1985
Classification................................. ABS, A1 Column Stabilized Drilling Unit
Dimensions........................................... 227 ft long x 197 ft wide x 120 ft high
Draft..... 83 ft operating / 21 ft transit
Displacement........... 28,455T operating
Variable Deck............ 3,500T operating
Transit Speed............ up to 6.5 knots
Water Depth............................................................. 1,500 ft
Drilling Depth. 25,000 ft
DRILLING EQUIPMENT
Derrick Dreco, 185 ft high with 50 ft x 40 ft base, static hook
load capacity of 1,333 kips
Drawworks Oilwell E-3000, three DC electric motors, 800hp each,
with 1 遜 drilling line
Compensator Brown Brothers Hydraulic drill string motion
compensator, 600 kips capacity with 20 ft stroke
Rotary Table Oilwell A-495, 49 遜
Top Drive Varco TDS-4S, 650T + PH-85 pipe handler
Tubular handling Varco Iron Roughneck for tubular range 3 遜 to 9 他
Mud Pumps 3 x Oilwell A1700-PT, 1,600hp, 5,000 psi
POWER EQUIPMENT
Main Power 3 x Ruston 12 RKCM diesel engines rated 3,320hp @
900 rpm each driving 2,350 kW AC generators
Bergen KVG rated 3,044hp @ 720 rpm driving a 2,160
kW AC generator
Emergency Power Cummins KT 2300 rated 792hp @ 1,800 rpm driving
Aggreko AMC 634A 500 kW generator
STORAGE CAPACITIES
Liquid Mud...... 1,890 bbls
Base Oil................................. 3,150 bbls
Brine.......... 3,150 bbls
Drill Water........... 7,200 bbls
Potable Water.................. 1,440 bbls
Bulk Material...... 18,166 cu ft (mud + cement)
Sack Storage..... 13,000 sacks
CRANES
1 x 56 ton Seatrax S7226 with 141 ft boom
1 x 54 ton Seatrax 9036 with 141ft boom
SUBSEA EQUIPMENT
Diverter Regan KFDS 24 500 psi diverter with 16 flow line
BOP Stack Hydril 18 他 15,000 psi five-ram preventer
2 x Cameron 18 他 10,000 psi annular preventers
C&K Manifold 3 1/16
, 15,000 psi
Marine Riser Shaffer DT-1 21", 50 ft long per joint
Tensioners 10 x 80 kips Brown Brothers wireline riser tensioners.
Total capacity 800 kips with 50 ft of wire travel
Moonpool 19 ft x 20 ft
MOORING SYSTEM
Mooring System (8) 3 x 4,500 ft RQ4 stud link chains, (8) 12T Mk-5
Stevpris anchors
OTHER INFORMATION
Accommodation 100 people
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