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The Fleet  Our Rigs List by Water Depth Sedco 706
Fleet Specifications
| Sedco 706 |
| The SEDCO 706 is a dynamically-positioned Sedco 700 design semi-submersible drilling unit capable of operating in moderate environments and water depths up to 2,000 m (6,562 ft)* using 18¾” 10,000 psi BOP and 21” OD marine drilling riser. |
| Rig Type |
Other Floaters |
 |
| Design |
Earl & Wright SEDCO 700 |
| Builder |
Kaiser Steel, Oakland, CA, USA |
| Year Built |
1976 (TAD Conversion 1994; DP Upgrade 2007) |
| Classification |
ABS Class +A1, DPS2 (ABS MODU Construction Rules 1973, IMO Modu Code 1979, IMO Resolution A.414(XI)) |
| Flag |
Liberia |
| Accommodation |
150 berths |
| Helideck |
83 ft x 83 ft, rated for Sikorsky S-61 helicopter |
| Moonpool |
20 ft x 20 ft |
| Station Keeping |
Kongsberg Maritime Triple Redundant SDP 32 System |
| Max Drill Depth |
25,000 ft / 7,620 m |
| Max Water Depth |
6,562 ft / 2000 m (with maximum 13 ppg mud weight) |
| Operating Conditions |
Wave: 15 ft; Wind: 30 knots; Current: 2.1 knots |
| Storm Conditions |
Wave: 20 ft; Wind: 55 knots; Current: 2.3 knots |
Technical Dimensions
| Length |
355 ft |
90 m |
| Breadth |
245 ft |
75 m |
| Depth |
130 ft |
40 m |
| Operating Draft |
83 ft |
25 m |
| Ocean Transit Draft |
21 ft |
6 m |
| VDL - Operating |
4,409 st |
4,000 mt |
Capacities
| Liquid Mud |
2,087 bbls |
11,718 cu ft |
332 cu m |
| Drill Water |
5,800 bbls |
32,565 cu ft |
922 cu m |
| Potable Water |
1,324 bbls |
7,434 cu ft |
210 cu m |
| Fuel Oil |
9,909 bbls |
55,635 cu ft |
1,575 cu m |
| Bulk Mud |
|
9,380 cu ft |
266 cu m |
| Bulk Cement |
|
9,380 cu ft |
266 cu m |
| Sack Material |
3,000 sacks |
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Drilling Equipment
| Derrick |
Wooslayer 185 ft x 50 ft x 40 ft base, rated at 1,300 kips GNC |
| Drawworks |
Oilwell E-3000, 3,000 HP with 1.3/4" drilling line & equipped with 2 ea. disk brakes |
| Motion Compensator |
NOV-Shaffer 600 kips Inline Motion Compensator, 25 ft stroke |
| Top Drive |
NOV TDS4S with GE 752 Hi-Torque motor & PH-85 Pipe-handler |
| Rotary |
Oilwell 60.1/2" opening with independent hydraulic drive |
| Pipe Handling |
NOV ST-80 Iron Roughneck (for tubular size 4.1/4" to 8.1/2" OD); NOV PS-30 Power Slip;
X-Y bridge crane & offline station on rig floor for offline stand-building |
| Mud Pumps |
3 x Oilwell 1700-PT, 1600 HP; 1 x Lewco W-446 400 HP (as riser booster pump) |
| Shale Shakers |
4 x Derrick Floline Cleaner 514 (with one unit is set up as a mud cleaner) |
| BOP |
2 x Cameron 18¾" 10K U-Type Double Ram Preventers; Vetco 18¾" 15K H4 Wellhead Connector |
| LMRP |
2 x Shaffer 18¾" 5K Annular Preventers; Vetco 18¾" 10K H4 LMRP Connector |
| Diverter |
Hughes Regan KFDS 49.1/2" bore, 500 psi |
| Control System |
E/H Multiplex Control System; 1,050 gallons surface & 690 gallons subsurface |
| Riser |
100 x Vetco MR6E 21” OD, 65 ft joints with 2 x 3" ID 15K C&K lines & 1 x 3.83" ID 3K booster line;
Vetco Telescopic Joint 55 ft stroke |
Riser
Tensioners |
8 x CFI / WesTech Dual Type 120 kips, 50 ft travel |
Guideline
Tensioners |
Guidelineless System |
| Choke & Kill |
15,000 psi, H2S Trim |
| Cementing |
Third Party Services |
Machinery
| Main Power |
6 x Caterpillar 3612 diesel engines driving 6 x Kato AC generator rated at 3,640 kW each |
| Emergency Power |
1 x Caterpillar 3508 diesel engine driving Kato AC generator rated at 900 kW |
| Power Distribution |
11 kVAC Primary / 690 V AC Thruster Power; 480 VAC and 6 x EPD Siemens SCR Systems |
| Deck Cranes |
1 x National OS-435, 49 mt @ 30 ft radius, 11 mt @ 120 ft maximum radius, 7 mt whipline;
1 x Seatrax S-9022, 60 mt @ 30 ft radius, 30 mt @ 127 ft maximum radius, 15 mt whipline |
| Thrusters |
8 x Rolls Royce 3,000 hp fully azimuthing |
| Propulsion |
8 x Rolls Royce fixed pitch propeller powered by Siemens 2,250 kW variable speed electric motors |
Mooring Equipment
| Winches |
2 x Baylor 500 SH, 1,000 kips hold, 500 kips stalled |
| Wire/Chain |
2 x 1,000 ft 3" ORQ Chains (on aft side only) |
| Anchors |
2 x harbor anchors |
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