The Noble D rigs are high-specification semisubmersibles designed for resilient offshore operations. Equipped with robust station-keeping systems, efficient drilling packages, and strong variable deck load capacity, they deliver consistent, safe, and reliable performance in demanding environments where stability and versatility are critical.
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| Rig Type: | Semi-Submersible |
| Rig Design: | DSS-21 Column Stabilized |
| Builder: | KFELS, Singapore |
| Year Built / Upgraded: | 2009 |
| Classification: | ABS |
| Flag: | Marshall Islands |
| MODU Code: | 1995 |
| Overall Length: | 384 ft |
| Draft: | 67.3 ft (operating), 31.8 ft (transit) |
| Depth: | 62.3 ft |
| Displacement: | 53,197 mt |
| Variable Deck Load: | 7,000 mt |
| Transit Speed: | 4 knots |
| Water Depth: | 10,000 ft (max), 310 ft (min) |
| Drilling Depth: | 40,000 ft |
| Accommodation: | 180 |
| Hook Load: | 2MM lbs (main), 1.5MM lbs (aux) |
| Moonpool: | 141 ft x 29.5 ft |
| Liquid Mud: | 18,870 bbls |
| Base Oil Storage: | 4,840 bbls |
| Brine: | 4,840 bbls |
| Bulk Cement: | 24,014 cuft |
| Bulk Bentonite: | 24,014 cuft |
| Bulk Barite: | 24,014 cuft |
| Sacks: | 5,000 |
| Fuel: | 28,511 bbls |
| Drill Water: | 12,580 bbls |
| Potable Water: | 5,220 bbls |
| Derrick | 210 ft x 72 ft x 39 ft, 2,500 kips main, 1,500 kips aux (not simultaneously) |
| Drawworks | Wirth / GH 6000 EG-AC, 4,600 hp main, Wirth / GH 4500 EG-AC, 4,200 hp aux |
| Motion Compensator | CMC (main, aux), AHC (main, aux) |
| Rotary: | NOV Model RST-605; 60-1/2 in Main, NOV Model RST-605; 60-1/2 in Aux |
| Top Drive: | 1 x NOV HPS 1000, 90,800 ftlbs @ 130 rpm (main) 1 x NOV HPS 750, 64,175 ftlbs @ 94 rpm (aux) |
| Fingerboard Capacity: | 187 stds 6 5/8” DP, 168 stds 5 7/8” DP, 114 stds 9 ¾” DC, 288 stds (16”, 13 3/8”, 13 5/8”, 14”, 7” or 3.5” CSG). |
| Tubular Handling: | 2 x NOV Hydraracker |
| Mud Pumps: | 4 x Wirth TPK 7 1/2" x 14" , 2,200HP, 7,500 psi |
| Solids Control System: | (8) MI Swaco / BEM 650 Shakers, Mi Swaco/CD-1400 Vertical Degasser |
| Iron Roughneck: | 2 x NOV Hydratong, 103,000 ftlbs m/u, 147,000 ftlbs b/o |
| Diverter: | 1 x Hydrill FS, 21”, 500 psi |
| Dual BOP: | Yes |
| BOP Stack: | 1 x GE Hydrill with 6 ram cavities 18 ¾” 15K, GE Vetco SHD H4 18 3/4" 15k wellhead Connector |
| LMRP: | 2 x Hydrill GX 18-10, BTM FLG 18 ¾”, 10K |
| C&K Manifold: | WOM 15K psi |
| Marine Riser: | Aker Kvaerner Subsea, 21” OD, CLIP, 75 ft joints, 3,750 ft |
| Tensioners: | 6 x NOV N-Line Tensioners 600 kips each with 50 ft stroke |
| XT Carts: | Yes |
| Water Depth: | The combination of DP and moorings provides the rig with the unique capability to operate from shallow waters (298 ft) to ultra-deep waters (9,625 ft) |
| MPD | The MPD system will enhances the drilling efficiency of the rig significantly. |
| Main Cranes: | 1 x 143t Favelle Favco, 1 x NOV Knuckleboom pipe handling crane |
| Subsea Cranes: | 1 x 165t NOV AHC Subsea Knuckleboom Crane |
| X-Mas Tree / BOP: | 2 x 50t Xmas Tree Overhead Crane |
| Other: | N/A |
| Mooring System: | 8 x mooring lines |
| Mooring Winches: | 4 x 273t Brohl / CAMW - 35 |
| Thrusters: | 8 x 4,000 kW Wartsila LIPS FS3500-671/NU |
| DP System: | Kongsberg SDP 32, DP2+ |
| Position Reference Systems: | 2 x HPR / 4 x DGPS |
| Main Power: | 8 x 4,960 kW Wartsila 16V26 at 900 rpm |
| Electrical Power: | 8 x 4,840 kW 11kV Generators |
| Emergency Power: | 1 x 1,500 kW 690V CAT 3516B |
| MPD: | Safekick with Weatherford RCD |
| Flare Booms: | No |
| Dual Well Centers: | Yes |
| Automation: | Cyberbase, NOVOS |
| Red Zone Management: | NOV red zone manager, camera with equipment control |
| On the Go: | No |
| H56 Enabled: | Rig Flow, Rig Pulse |
| Data Infrastructure: | Real Time Monitoring |
| Other: | N/A |
Noble’s core values have been a common thread guiding our actions throughout our long history. These values remain relevant and essential today, and still reflect what we stand for: honesty and integrity, safety, environmental stewardship, respect and performance.
Living our core value of safety and providing a safe workplace for our employees, contractors and customers is paramount at Noble. We’re on a journey to proactively improve our safeguards offshore, build capacity to operate safely, and foster a culture of continuous learning and improvement.
