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The Fleet  Our Rigs List by Water Depth Sedco 711
Fleet Specifications
| Sedco 711 |
| The SEDCO 711 is a Sedco 711 design semi-submersible drilling unit capable of operating in harsh environments and water depths up to 1,800 feet using a 18¾in 15,000 psi BOP and a 21in OD marine drilling riser. |
| Rig Type |
Other Floaters |
 |
| Design |
MODU (CSDU) Earl & Wright SEDCO 711 |
| Builder |
Hyundai Heavy Industries, Ulsan South Korea |
| Year Built |
1982 |
| Classification |
ABS Class A1 CSDU AMS ACCU |
| Flag |
Liberia |
| Accommodation |
100 berths |
| Helideck |
Sikorsky 61 |
| Moonpool |
|
| Station Keeping |
Moored |
| Max Drill Depth |
25,000 ft / 7,620 m |
| Max Water Depth |
1,800 ft / 549 m |
| Operating Conditions |
Significant Wave: 25 ft; Wind: 40 knots; Current: 2.4 knots |
| Storm Conditions |
Maximum Wave: 110ft; Wind: 100 knots; Current: 2.4 knots |
Technical Dimensions
| Length |
295 ft |
90 m |
| Breadth |
249 ft |
76 m |
| Depth |
130 ft |
40 m |
| Operating Draft |
83 ft |
25 m |
| Ocean Transit Draft |
19 ft |
6 m |
| VDL - Operating |
3,898 st |
3,537 mt |
Capacities
| Liquid Mud |
1,962 bbls |
11,016 cu ft |
312 cu m |
| Drill Water |
9,484 bbls |
53,248 cu ft |
1,507 cu m |
| Potable Water |
1,286 bbls |
7,220 cu ft |
204 cu m |
| Fuel Oil |
7,442 bbls |
41,783 cu ft |
1,182 cu m |
| Bulk Mud |
|
9,167 cu ft |
259 cu m |
| Bulk Cement |
|
9,167 cu ft |
259 cu m |
| Sack Material |
3,000 sacks |
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Drilling Equipment
| Derrick |
Dreco 185 ft; Dynamic; 590mt nominal capacity |
| Drawworks |
Oilwell E-3000, 2500 hp |
| Motion Compensator |
Vetco; 272mt operating |
| Top Drive |
Varco TDS-5 |
| Rotary |
Oilwell with 49½in opening |
| Pipe Handling |
|
| Mud Pumps |
3 x Continental Emsco FB-1600 (1,600 hp) |
| Shale Shakers |
4 x Derrick Shakers |
| Desander |
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| Desilter |
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| Mud Cleaner |
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| BOP |
2 x NL Shaffer 18¾in 15,000 psi double rams; Vetco HD H4 wellhead connector |
| LMRP |
2 X NL Shaffer 18¾in 10,000 psi annulars; Vetco E X F H4 riser connector |
| Diverter |
Hughes Regan KFDS, Pressure rating : 500psi |
| Control System |
NL Shaffer hydarulic control system w/ Glycol injection system |
| Riser |
Cameron RD 21in OD riser, 50 ft joints, with 3in ID C&K lines. |
Riser
Tensioners |
363mt max. tensioning capacity |
Guideline
Tensioners |
|
Podline
Tensioners |
|
| Choke & Kill |
CIW 15000 psi, H2S Trim |
| Cementing |
(Third party provided) |
Machinery
| Main Power |
3 x EMD MD 16-645E9B diesels driving 3 x 2200kW generators |
| Emergency Power |
1 x Detroit Diesel 16V-92 driving 1 x 670kW generator |
| Power Distribution |
Bauteil SCR System |
| Deck Cranes |
2 BE MK-100, 62mt at 30 ft, 11mt at 125 ft max radius |
| Thrusters |
4 x 1600 hp Pleuger, variable speed, fixed pitch, azimuthing thrusters |
| Propulsion |
Thrusters |
Mooring Equipment
| Winches |
8 x Hepburn 1,040 kips hold, 549 kips stall |
| Wire/Chain |
8 x 5,100 ft of 3 inch chain |
| Anchors |
8 x 15mt Stevpris anchors |
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