| Rig Type |
Semisubmersible |
| Rig Location |
UK North Sea |
| Rig Design |
Earl & Wright Sedco 713 Series |
| Year Built |
1985 |
| Yard Built |
Scott Lithgow, Glasgow, Scotland |
| 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 |
300' x 282' x 130' |
| Helideck |
89' x 83' for Chinook BV-234 |
| Drilling Draft |
83.5' |
| Variable Deckload - Operating |
3,500 LT |
| Variable Deckload - Transit |
1,800 LT |
| Number of Columns |
8 |
| Max Combined Structure Load |
758 kips |
| Moonpool Dimensions |
16.75' x 19.25' |
| Operating Displacement |
25,335 LT |
| Bulk Mud & Cement |
18,860 cu ft |
| Liquid Mud |
1,893 bbls |
| Fuel Oil |
1,108 ST |
| Drill Water |
1,103 ST |
| Brine |
2,955 bbls |
| Base Oil |
2,955 bbls |
| Potable Water |
224 ST |
| Sack Storage |
13,000 sacks |
| Drawworks |
Oilwell E-3000 w/1-1/2" drill line |
| Derrick |
Dreco 50' x 40' x 185', 1,333 kips static hook load |
| Top Drive |
Varco TDS-4S |
| Pipe Handling System |
Victoria RJT-336 Racking Arm, Varco AR 3200 Iron
Roughneck |
| Rotary |
Oilwell A-495, 49-1/2" |
| Top of Rotary Table to Bottom of Barge |
170 Ft. |
| Mud Pumps |
(3) Oilwell A1700-PT |
| Main Engines |
(3) Ruston 12 RKCM, (1) Bergen KGBV12 |
| Annular BOP |
(2) Shaffer 18-3/4" 5K |
| Ram BOP |
(2) Cameron Type U-II (double) 18-3/4" 10K |
| Diverter |
Regan KFDS 24" |
| Riser |
Mannesmann 24" w/Vetco MR6C-EL connections
|
| Riser Tensioning |
800 kips |
| Solids Control |
(4) Thule VSM-100 Cascade system |
| Cranes |
(2) Clarke Chapman NEI w/128' booms |
| Mooring System |
(8) 3" x 4,800' chains w/Stevin 34,833 lb. Mark 3 anchors |
