| Rig Type |
Semisubmersible |
| Rig Location |
UK North Sea |
| Rig Design |
Upgraded Aker H-3 |
| Year Built |
1975 |
| Yard Built |
Aker Merk Verksted, Oslo, Norway |
| Upgrade |
Hamburg - 1985 |
| Class |
ABS AI Column Stabilized Drilling Unit |
| Registry |
Marshall Islands |
| Water Depth - Ft |
1,500 |
| Drilling Depth - Ft |
25,000 |
| Quarters |
100 + 2 bed hospital |
| Dimensions |
199' x 229' x 120' |
| Helideck |
83' x 83' for Sikorsky S-61 |
| Drilling Draft |
70 |
| Variable Deckload - Operating |
3,260 MT |
| Variable Deckload - Transit |
1,245 MT |
| Number of Columns |
14 |
| Max Combined Structure Load |
437 MT |
| Moonpool Dimensions |
17.5' x 52' |
| Operating Displacement |
25,688 MT |
| Bulk Mud & Cement |
21,895 cu ft |
| Liquid Mud |
4,523 bbls |
| Fuel Oil |
8,566 bbls |
| Drill Water |
14,000 bbls |
| Brine |
3,126 bbls |
| Base Oil |
3,126 bbls |
| Potable Water |
741 bbls |
| Sack Storage |
452 sq. ft. |
| Drawworks |
Continental Emsco C-3-II w/1-1/2" drill line |
| Derrick |
Maritime Hydraulics MH 1296; 40' x 163'; 1,117 kips
|
| Top Drive |
TDS-4S w/PH85 pipe handler |
| Pipe Handling System |
Varco AR-3200 Iron Roughneck |
| Rotary |
Continental Emsco T- 4950, 49-1/2" |
| Top of Rotary Table to Bottom of Barge |
152 Ft. |
| Mud Pumps |
(3) Continental Emsco FB-1600 |
| Main Engines |
(4) Bergen KVGB-12 |
| Annular BOP |
(1) Cameron DL 18-3/4" 5K, (1) Cameron DL 18-3/4"10K |
| Ram BOP |
(2) Cameron (double) 18-3/4" 15K |
| Diverter |
Regan KDFS 24" |
| Riser |
Vetco 21" MR6-C
|
| Riser Tensioning |
480 kips |
| Solids Control |
(4) Thule VSM-300 shale shakers |
| Cranes |
(1) Liebherr diesel/hydraulic MTC-2600 w/120' boom; (1) Liebherr electric/hydraulic BOS-40 w/154' boom |
| Mooring System |
(8) 3" x 4,500' NVR-4 anchor chains, (8) Bruce MK-4 12 MT anchors |