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The Fleet  Our Rigs List by Rig Type Sedneth 701
Fleet Specifications
| Sedneth 701 |
| The SEDNETH 701 is an Earl & Wright Sedco 700 design semi-submersible drilling unit capable of operating in water depths up to 1,500 ft using 18¾in 10,000 psi BOP and 21in OD marine drilling riser. |
| Rig Type |
Other Floaters |
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| Design |
Earl & Wright Sedco 700 series |
| Builder |
Hawker Siddley Canada Ltd., Halifax, Canada |
| Year Built |
1973; Upgraded 1994 & 2001 |
| Classification |
ABS Class +A1 E&M Column Stabilized Drilling Unit +AMS |
| Flag |
Liberia |
| Accommodation |
127 berths |
| Helideck |
90 ft x 90 ft, rated for S-61 helicopter |
| Moonpool |
35 ft x 61 ft |
| Station Keeping |
Moored |
| Max Drill Depth |
25,000 ft / 7,620 m |
| Max Water Depth |
1,500 ft / 457 m |
| Operating Conditions |
Wave: 40 ft @ 14 sec; Wind: 50 knots; Current: 2.4 knots |
| Storm Conditions |
Wave: 110 ft @18.8 sec; Wind: 100 knots; Current: 2.4 knots |
Technical Dimensions
| Length |
300 ft |
91 m |
| Breadth |
263 ft |
80 m |
| Depth |
130 ft |
40 m |
| Operating Draft |
85 ft |
26 m |
| Ocean Transit Draft |
21 ft |
6 m |
| VDL - Operating |
3,967 st |
3,600 mt |
Capacities
| Liquid Mud |
4,190 bbls |
23,525 cu ft |
666 cu m |
| Drill Water |
5,790 bbls |
32,508 cu ft |
920 cu m |
| Potable Water |
1,310 bbls |
7,355 cu ft |
208 cu m |
| Fuel Oil |
6,795 bbls |
38,151 cu ft |
1,080 cu m |
| Bulk Mud |
|
9,697 cu ft |
274 cu m |
| Bulk Cement |
|
7,772 cu ft |
220 cu m |
| Sack Material |
3,000 sacks |
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Drilling Equipment
| Derrick |
Lee C. Moore 185 ft x 39 ft x 54 ft, 1200 kips GNC |
| Drawworks |
Oilwell E3000, 3000 hp input with Baylor 7838 auxiliary brake |
| Motion Compensator |
Rucker Shaffer 400-18, 18 ft stroke, 400 kips operating, 1000 kips pinned |
| Top Drive |
Varco TDS-4S |
| Rotary |
Oilwell 49½in opening with independent drive |
| Pipe Handling |
Varco AR-3200 Iron Roughneck |
| Mud Pumps |
3 x Oilwell A 1700-PT, 1600 hp each |
| Shale Shakers |
4 x Thule VSM-100, 1500 gpm |
| Desander |
1 x Swaco S2-12 with 2 x 12 |
| Desilter |
N/A |
| Mud Cleaner |
N/A |
| BOP |
2 x NL Shaffer Type SL Double 18¾in 10K, 1 x Vetco H4 18¾in 10K wellhead connector |
| LMRP |
2 x NL Shaffer Type Wedge Cover 18¾in 5K annular; 1 x Vetco H4 18¾in 10K riser connector |
| Diverter |
Hughes Regan KFDS, 49½in, 500 psi with 2 x 12in outlets |
| Control System |
Koomey 26300-55 hydraulic control system, 3000 psi with Glycol injection system |
| Riser |
Vetco MR-6E, 21in OD x 65 ft long with 3in C&K lines |
Riser
Tensioners |
Vetco MR-6E, 21 |
Guideline
Tensioners |
4 x Western 16 kips, 40 ft travel |
Podline
Tensioners |
2 x Western 16 kips, 40 ft travel |
| Choke & Kill |
Cameron 3-1/8in 15,000 psi H2S Trim with 2 x adjustable chokes and 2 x power chokes |
| Cementing |
Halliburton HCS-25D (third party equipment) |
Machinery
| Main Power |
3 x EMD 16-645-E9 rated 3200 hp each, driving 1 x 2500 kW and 2 x 2750 kW generator |
| Emergency Power |
1 x Detroit Diesel 12-V-71 rated 450 hp driving 1 x 350 kW generator |
| Power Distribution |
10 x Baylor 1500 FX Thyrig Bays SCR System, 1500 amps 4160 V; 2 x Bauteil SCR units |
| Deck Cranes |
2 National OS-435, 120 ft boom, 46 st @ 30 ft; 1 x Kentz BV DHC, 165 ft boom, 110 st @ 77 ft |
| Thrusters |
4 x Pleuger 1600 hp variable blade azimuthing thrusters |
| Propulsion |
See Thrusters |
Mooring Equipment
| Winches |
8 x Baylor 350, 1000 kips hold, 500 kips stall |
| Wire/Chain |
8 x 4,200 ft x 3in ORQ chains |
| Anchors |
8 x LWT Baldt 30,000 lbs |
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