Ocean Monarch
| Rig Type | Semisubmersible |
| Rig Location | Singapore - Major Upgrade |
| Rig Design | Odeco Ocean Victory |
| Year Built | 1974 |
| Yard Built | Nylands Verksted, Oslo, Norway |
| Upgrade | 1995 - drilling / production |
| Class | ABS A1 |
| Registry | Marshall Islands |
| Water Depth - Ft | 1,500 |
| Drilling Depth - Ft | 25,000 |
| Quarters | 110 |
| Dimensions | 352' x 293' x 128' |
| Helideck | Sikorski S-61 |
| Drilling Draft | 70'' |
| Variable Deckload - Operating | 3600 LT |
| Number of Columns | 12 |
| Max Combined Structure Load | 1,200 kips |
| Slot Dimension - Hull | Moonpool - 19.6' x 22.7' |
| Operating Displacement | 26,492 LT |
| Bulk Mud & Cement | 12,000 cu ft |
| Liquid Mud | 1,651 bbls |
| Fuel Oil | 6,999 bbls |
| Drill Water | 14,238 bbls |
| Brine | 1,389 bbls |
| Potable Water | 625 bbls |
| Sack Storage | 6,500 sacks |
| Drawworks | Oilwell E-3000; 11/2" drill line Derrick: Pyramid 40' x 40' x186' x 500 kip Top Drive: Varco TDS-4-S Pipe Handling System: Spin Master 950-H Rotary: Oilwell 495 - 491/2 |
| Top of Rotary Table to Bottom of Barge | 184 Ft. |
| Mud Pumps | (2) Oilwell A-1700 triplex |
| Main Engines | (2) EMD 2875 hp; (2) EMD 2150 hp |
| Annular BOP | (2) Shaffer 18-3/4" 5K Ram BOP: (2) Cameron 18-3/4 10K doubles |
| Riser | Cameron 21" RF Diverter: Regan KFD 491/2 |
| Riser Tensioning | 800 kips |
| Solids Control | (4) Thule VSM-100 |
| Cranes | Manitowoc SC-135; Seatrax 8032 |
| Mooring System | Designed for 12-point mooring |