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The Fleet  Our Rigs List by Water Depth Transocean Richardson
Fleet Specifications
| Transocean Richardson |
| The TRANSOCEAN RICHARDSON is a GVA-4500 Enhanced design semi-submersible drilling unit, capable of operating in harsh environments and water depths up to 5,000 feet using a 18¾in, 15,000 psi BOP and a 21in OD marine riser. |
| Rig Type |
Other Deepwater |
 |
| Design |
GVA/Sonat enhanced GVA-4500 propulsion assisted semi-submersible |
| Builder |
Daewoo Shipbuilding & Heavy Machinery Ltd, Okpo, South Korea |
| Year Built |
1988/1991 |
| Classification |
DnV + 1A1 HELDK, DRILL, CRANE, POSMOOR, EO, ICE T |
| Flag |
Panama |
| Accommodation |
100 berths |
| Helideck |
89ft x 89ft; Chinook 234 or Sikorsky S-61 |
| Moonpool |
|
| Station Keeping |
Moored |
| Max Drill Depth |
25,000 ft / 7,620 m |
| Max Water Depth |
5,000 ft / 1,524 m |
| Operating Conditions |
Significant Wave: 30ft; Wind: 60 knots; Current: 2 knots |
| Storm Conditions |
Maximum Wave: 115ft; Wind: 100 knots; Current: 2.5 knots |
Technical Dimensions
| Length |
326 ft |
99 m |
| Breadth |
287 ft |
87 m |
| Depth |
144 ft |
44 m |
| Operating Draft |
82 ft |
25 m |
| Ocean Transit Draft |
29 ft |
9 m |
| VDL - Operating |
3,857 st |
3,500 mt |
Capacities
| Liquid Mud |
4,800 bbls |
26,950 cu ft |
763 cu m |
| Drill Water |
10,812 bbls |
60,704 cu ft |
1,718 cu m |
| Potable Water |
2,968 bbls |
16,664 cu ft |
472 cu m |
| Fuel Oil |
10,606 bbls |
59,547 cu ft |
1,685 cu m |
| Bulk Mud |
|
10,983 cu ft |
311 cu m |
| Bulk Cement |
|
10,983 cu ft |
311 cu m |
| Sack Material |
3,500 sacks |
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Drilling Equipment
| Derrick |
Maritime Hydraulics 180 x 40 x 40ft; 680mt nominal capacity, Continental Emsco C3 ; 1¾in drill line, , , , , , , , , , , , , |
| Drawworks |
|
| Motion Compensator |
Maritime Hydraulics (crown mounted), 272mt operating (544mt pinned) |
| Top Drive |
Varco TDS-4, 590mt |
| Rotary |
Continental Emsco T-4950 with 49½in opening |
| Pipe Handling |
Maritime Hydraulics pipe racker; Maritime Hydraulics Iron Roughneck; Catwalk machine |
| Mud Pumps |
3 x Continental Emsco FB-1600, (1,600 hp) triplex pumps |
| Shale Shakers |
5x Brandt LCM-2D Cascade |
| Desander |
1 x Harrisburg w/ (3) 10in cones (1000gpm) |
| Desilter |
1 x Harrisburg w/ (20) 4in cones (1100gpm) |
| Mud Cleaner |
|
| BOP |
2 x Hydril 18¾in 15,000 psi double rams; NL Shaffer 18¾in 10,000 psi annular; Vetco H-4 15,000 psi wellhead connector. |
| LMRP |
Shaffer 10,000psi 18¾in annular, Vetco ExF HAR H-4 riser connector |
| Diverter |
Vetco KFDS-3; 24in 500 psi w/ 2 x 12in ID flowlines |
| Control System |
NL Shaffer hydraulic |
| Riser |
66 x Vetco HMF 21in OD riser; 75ft joints with 15,000psi 3in ID C&K lines. |
Riser
Tensioners |
545mt max. tensioning capacity |
Guideline
Tensioners |
4 x Western Gear 7.25mt |
Podline
Tensioners |
2 x Western Gear 7.25mt |
| Choke & Kill |
2 x Swaco Ultrachokes and 2 x manual chokes, 15,000psi |
| Cementing |
Halliburton - advantage 150 diesel driven, 15,000psi unit |
Machinery
| Main Power |
3 x Wartsila 12V-32 diesels each driving 1 x Stromberg 5,921 kw AC generator |
| Emergency Power |
1 x Wartsila 6R32 diesel driving 1 x 2,675 kw AC generator |
| Power Distribution |
General Electric Microdrill 3000 SCR for drilling |
| Deck Cranes |
2 x M.A.N. Wolffkran HOK 800 HM, 140ft boom, 75mt @ 10.7m; 1x Miko gantry crane, 40mt |
| Thrusters |
2 x 3,500 hp ASEA thrusters, fully azimuthing, fixed prop, w/ nozzles. |
| Propulsion |
Thrusters |
Mooring Equipment
| Winches |
8 Hepburn w/ GE 752s |
| Wire/Chain |
8 x 10,000ft x 3¾in wire; 2,500ft x 84mm K4 chain |
| Anchors |
8 x 18mt Stevpris anchors |
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