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The Fleet  Our Rigs List by Name Discoverer 534
Fleet Specifications
| Discoverer 534 |
| The DISCOVERER 534 is a self-propelled Dynamically Positioned drillship capable of operating in moderate environments and water depths up to 7,000 feet using an 18¾in 10,000 psi BOP stack and 21in OD marine drilling riser. |
| Rig Type |
Other Deepwater |
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| Design |
Sonat Offshore Discoverer Class, self-propelled dynamically positioned drillship |
| Builder |
Mitsui Engineering & Shipbuilding Ltd., Osaka, Japan |
| Year Built |
1975/1991/1996 |
| Classification |
ABS + A1 EM drilling unit, AMS Drilling unit, SOLAS - 1974, USCG IMO MODU |
| Flag |
Panama |
| Accommodation |
128 berths plus 3 berths in sick bay |
| Helideck |
S-61; 90 ft x 92 ft; 2000 gallon refuelling system |
| Moonpool |
|
| Station Keeping |
Dynamically Positioned |
| Max Drill Depth |
26,000 ft / 7,925 m |
| Max Water Depth |
7,000 ft / 2,134 m |
| Operating Conditions |
Waves: 25 ft; Wind: 50 knots |
| Storm Conditions |
Waves: 90 ft; Wind: 100 knots |
Technical Dimensions
| Length |
534 ft |
163 m |
| Breadth |
87 ft |
27 m |
| Depth |
32 ft |
10 m |
| Operating Draft |
25 ft |
8 m |
| Ocean Transit Draft |
0 ft |
0 m |
| VDL - Operating |
9,236 st |
8,381 mt |
Capacities
| Liquid Mud |
4,200 bbls |
23,581 cu ft |
667 cu m |
| Drill Water |
12,415 bbls |
69,704 cu ft |
1,973 cu m |
| Potable Water |
1,413 bbls |
7,933 cu ft |
225 cu m |
| Fuel Oil |
19,791 bbls |
111,117 cu ft |
3,145 cu m |
| Bulk Mud |
|
9,600 cu ft |
272 cu m |
| Bulk Cement |
|
4,800 cu ft |
136 cu m |
| Sack Material |
2,200 sacks |
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Drilling Equipment
| Derrick |
Pyramid 170 x 46 x 54 ft; 600 mt nominal capacity |
| Drawworks |
National 1625-DE 3000 HP w/ 1¾in wire rope w/ National UDBE disc brake & anti-birdcaging |
| Motion Compensator |
HSMC, 218mt operating (544mt pinned) |
| Top Drive |
Varco TDS-5, 590 mt |
| Rotary |
National C-495 with 49½in opening |
| Pipe Handling |
Byron Jackson hydraulically generated semi automatic pipe handling system |
| Mud Pumps |
3 x National 12-P-160 triplex pumps |
| Shale Shakers |
6 x Brandt dual tandem; (5) Brandt LCM shakers |
| Desander |
Derrick High G dryer w/ (2) 10in cones. |
| Desilter |
Derrick High G dryer w/ (20) 4in cones. |
| Mud Cleaner |
N/A |
| BOP |
2 x Shaffer 18¾in 10,000 psi double rams; Shaffer 18¾in 5,000 psi annular preventer; Cameron 10,000 psi wellhead connector. |
| LMRP |
Shaffer 18¾in, 5,000 psi annular; Vetco HAR-H4 10,000 psi riser connector |
| Diverter |
Modified Regan KFDS with 14in outlets |
| Control System |
Shaffer multiplex system. |
| Riser |
95 x Vetco 21 in OD, 75 foot joints |
Riser
Tensioners |
726mt maximum tensioning capacity |
Guideline
Tensioners |
4 x HSMC 9.07mt |
Podline
Tensioners |
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| Choke & Kill |
McEvoy 10000 psi manifold; 2 x manually adjustable and 2 x remote controlled valves |
| Cementing |
Halliburton ASKE-4 electric |
Machinery
| Main Power |
6 x EMD MD-20-645E9 diesels driving 1 x 2,500kW generator; 1 x EMD MD-12-645E8 1050kw |
| Emergency Power |
1 x Caterpillar 3304 90KW |
| Power Distribution |
General Electric SCR System |
| Deck Cranes |
2 x Bucyrus Erie Mk 35, 80ft boom, 35mt @ 20ft; 2 x Bucyrus Erie Mk 60, 120ft boom, 47mt @ 25 ft |
| Thrusters |
6 x Bird-Johnson thrusters (2,500 hp each) |
| Propulsion |
2 x propellers 8000hp each |
Mooring Equipment
| Winches |
Class only N/A - D.P. |
| Wire/Chain |
Class only N/A - D.P. |
| Anchors |
Class only N/A - D.P. |
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