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The Fleet  Our Rigs List by Location Transocean Winner
Fleet Specifications
| Transocean Winner |
| The TRANSOCEAN WINNER is a GVA-4000 design semi-submersible drilling unit capable of operating in harsh environments and water depths up to 1,500 feet using a 18¾in, 15,000 psi BOP and a 21in OD marine riser. |
| Rig Type |
Other Floaters |
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| Design |
GVA 4000 |
| Builder |
Gotaverken Arendal, Gothenburg, Sweden |
| Year Built |
1983 |
| Classification |
DnV + 1A1 Column Stabilized unit Crane, Heldk, IMO 8756320 |
| Flag |
Marshall Islands |
| Accommodation |
100 berths |
| Helideck |
24m x24m, rated for Super Puma and S-61 |
| Moonpool |
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| Station Keeping |
Moored |
| Max Drill Depth |
25,000 ft / 7,620 m |
| Max Water Depth |
1,500 ft / 457 m |
| Operating Conditions |
Significant Wave: 8m; Wind: 33m/s; Current: 1.3 m/s |
| Storm Conditions |
Maximum Wave: 33m; Wind: 62m/s; Current: 1.3 m/s |
Technical Dimensions
| Length |
226 ft |
69 m |
| Breadth |
246 ft |
75 m |
| Depth |
138 ft |
42 m |
| Operating Draft |
67 ft |
20 m |
| Ocean Transit Draft |
36 ft |
11 m |
| VDL - Operating |
4,298 st |
3,900 mt |
Capacities
| Liquid Mud |
2,144 bbls |
12,037 cu ft |
341 cu m |
| Drill Water |
17,875 bbls |
100,359 cu ft |
2,840 cu m |
| Potable Water |
2,478 bbls |
13,913 cu ft |
394 cu m |
| Fuel Oil |
16,120 bbls |
90,506 cu ft |
2,561 cu m |
| Bulk Mud |
|
11,800 cu ft |
334 cu m |
| Bulk Cement |
|
7,415 cu ft |
210 cu m |
| Sack Material |
7,500 sacks |
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Drilling Equipment
| Derrick |
UIE 48m x 12m x 12m, 580mt nominal capacity |
| Drawworks |
National 1625-DE, w/ 1½in drill line |
| Motion Compensator |
NL Shaffer 600, 272mt operating (680mt pinned) |
| Top Drive |
Varco TDS-4S, 590mt |
| Rotary |
National C-495 with 49½in opening |
| Pipe Handling |
BJ semi-automatic 2 arm racking system, MH Iron RN |
| Mud Pumps |
3 x National 12-P-160, (1600 hp) |
| Shale Shakers |
4 x Thule VSM 100 |
| Desander |
1 x Demco 103 w/ (3) 10 in cones (1700gpm) |
| Desilter |
2 x Thule VSM 200 w/ (16) 4 in cones (1700gpm) |
| Mud Cleaner |
1x Thule mud cleaner, (16) 4in cones (800gpm) |
| BOP |
2 x Hydril 18¾in 15,000 psi double rams; 1 x Hydril GX 10,000 psi annular; 1 x Vetco H4 15,000 psi wellhead connector |
| LMRP |
Hydril 5,000 psi 18¾in annular, Vetco H-4 10,000 psi connector |
| Diverter |
Installed in fixed bell nipple w/ 2 x 12in OD flowlines |
| Control System |
Koomey hydraulic control system, Cameron Acoustic Emergency control system |
| Riser |
Vetco 21in OD riser; 50ft joints with 15,000 psi 2 5/8inch ID C&K lines |
Riser
Tensioners |
290mt max. tensioning capacity |
Guideline
Tensioners |
6 x NL Shaffer 7.25mt |
Podline
Tensioners |
2 x NL Shaffer 7.25mt |
| Choke & Kill |
1 fixed, 1 adjustable and 2 power chokes (all 15,000 psi) |
| Cementing |
Halliburton HCS-250 15,000 psi diesel driven unit |
Machinery
| Main Power |
4 x Nohab diesels (3060hp) driving 2200 kw generators |
| Emergency Power |
1 x MAN diesel driving a 437 kva generator |
| Power Distribution |
9 x Nebb/Thyritrol SCR System |
| Deck Cranes |
2 x Liebherr, BOS 50, 43m boom, 50mt @ 12 m |
| Thrusters |
2 x 2400 kw azimuth thrusters; variable blade prop w/nozzles |
| Propulsion |
Thrusters |
Mooring Equipment
| Winches |
4 x Norwinch double drum |
| Wire/Chain |
8 x1700m x 76mm diameter NV K4 chain |
| Anchors |
8 x 18mt Stevin anchors |
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