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General
| Rig Type: | Drillship |
| Rig Design: | Globetrotter Class |
| Builder: | STX Shipbuilding & Huisman |
| Year Built / Upgraded: | 2011 |
| Classification: | ABS +A1, Drilling Unit, Ice Class IA, (E), +AMS, +ACCU, +DPS-3, RW |
| Flag: | Liberia |
| MODU Code: | 1989 |
| Overall Length: | 620 ft |
| Displacement: | 56,688 t (operational) |
| Variable Deck Load: | 20,620 t (drilling). 22,436 t (transit) |
| Transit Speed: | 11 knots |
| Water Depth: | 10,000 ft |
| Drilling Depth: | 40,000 ft |
| Accommodation: | 180 |
| Hook Load: | 2.0 MM lbs (main), 2.0mm lbs (aux) |
| Moonpool: | 89 ft x 37 ft |
Cranes
| Main Cranes: | 1 x 80 t Huisman PMOC 1 x 80 t Gantry Crane |
| Subsea Cranes: | 1 x 100 t AHC, PHC Huisman PMOC, 75t at 10,000 ft |
| X-Mas Tree / BOP: | 1 x BOP transport skid 1 x 90t Xmas Tree transport skid |
| Other: | 1 x 17.5t Pipe Knuckle Boom Crane 2 x 7.5t Pipe Hold Overhead Crane |
Storage capacity
| Liquid Mud: | 16,919 bbls |
| Base Oil Storage: | 6,830 bbls |
| Brine Storage: | 5,975 bbls |
| Bulk Cement: | 14,832 cuft |
| Bulk Bentonite: | 9,888 cuft |
| Bulk Barite: | 9,888 cuft |
| Sack Storage: | 10,000 sacks |
| Fuel: | 21,564 bbls |
| Drill Water: | 18,900 bbls |
| Potable Water: | 6,478 bbls |
Drilling equipment
| Derrick: | Huisman Multi Purpose Tower, 220ft height |
| Drawworks: | 1 x Huisman dual drum (main), AHC, outfitted with splittable blocks. 1 x Huisman single drum (aux), AHC, outfitted with splittable blocks |
| Top Drive: | NOV TDS-1000 |
| Rotary: | NOV D-605 |
| Motion Compensator: | Huisman Passive Heave Compensator, 39 ft stroke |
| Pipe Handling System: | (4) Huisman Column Rackers |
| Iron Roughneck: | NOV AR-5000 |
| Solids Control: | (5) Brandt LCM-3D/CS, (1) Brandt Mud Cleaner LCM-3D/CS |
| Mud Pumps: | (4) NOV 14-P-220, 2,200 HP |
| Fingerboard Capacity: | DP - 18,900ft (210 Stds) up to 6 5⁄8” DP - 14,490ft (161 Stds) up to 5 7⁄8 216 Stds 5-1/2” DP, 21 Stds DC |
Subsea equipment
| Diverter: | 1x NOV Shaffer CSO, 21-1/4 in, 1,000 psi |
| Dual BOP: | No |
| BOP Stack: | 1x NOV Shaffer NXT; 6 rams; 18-3/4 in x 15k psi 2 x 22 in LFS-5 shear rams, Vetco DWHD H4, 18- 3/4-15K |
| LMRP: | 1 x NOV Shaffer Spherical Slimline 18-3/4 in x 10 psi annular |
| C&K Manifold: | 15K |
| Marine Riser: | NOV FT-H 21”, 75 ft long per joint, Hands-Free Gooseneck System |
| Tensioners: | 8 x Huisman Marine Riser Tensioners, 450 kips/ea; 50 ft stroke |
| XT Carts: | 1 x Moonpool Cart |
Power generation
| Main Power: | 8 x 5,060 kW CAT C-280, 900 rpm |
| Electrical Power: | 8 x 4,600 kW KATO, 11kV |
| Emergency Power: | 1 x 910 kW CAT 3508B, Generator 910kW, 480V |
Well Intervention System
| Wireline: | 2 x Mono-Conductor Cables 5/16” OD |
| Slickline: | 2 x Slickline Cables 0.160” or 0.125” OD |
| Slickline BOP: | 1 x 10 k Triple |
| Surface Test Tree: | 1 x 7 3/8” 10 k |
| Surface Safety Valve: | 1 x 10 k |
| Choke Manifold: | 1 x 10 k – 2 x Chokes |
| DAS System: | Halliburton |
| Stimulation Pumps: | 3,000 hp total |
| Acid Tanks: | 4 x 500 bbls (above deck) |
| MEG Tanks: | 3 x 100 bbls (above deck) |
| Methanol Tanks: | 2 x 25 bbls (above deck) |
| Chemical Storage Tanks: | 2 x 120 bbls (above deck) |
| Filtration Unit: | Yes |
| Coiled Tubing: | 2 x 6,000 m each reels 2” |
| Injector Head: | 1 x 95 k |
| Bleed Off / Flow Back: | 7,000 BOPD, 5,000 BWPD, 31 MMScfd |
| Separator: | 1 x MAWP 1,440 psi |
| Heat Exchanger: | 1 x 4 1/16", 4.5MMBTU/hr |
| KOP Gas Dryer: | 1 x MAWP 1,440 psi |
| EDP / LRP: | 1 x 10k psi – 10,000 ft WD Trendsetter Halliburton |
| Production Bare Acess: | 7" |
| CTLF: | 1 x 750 t, no manriding capable |
| Riser: | 1 x 3,000m 8 5/8” OD |
| Annulus: | 1 x 3,000m 4” DP |
Station keeping / Propulsion system
| Mooring System: | N/A |
| Mooring Winches: | N/A |
| Thrusters: | 6 x 3,700 kW Rolls Royce, azimuth thrusters with fixed pitch variable speed propellers |
| DP System: | |
| Position Reference Systems: | 3 x DPGS, 2 x Sonardyne Marksman 6G LUSBL (Wideband 2) |
Other Systems
| MPD: | N/A |
| Burner Booms: | 2 x 100 ft with water spray system |
| Dual Well Centers: | Yes |
| Automation: | Huisman drilling automation system |
| Red Zone Management: | No |
| On the Go: | No |
Unique Capabilities and Enhancements
| Well Intervention: | The vessel is outfitted with a full capacity well intervention system allowing a seamless transition between drilling, P&A and well intervention activities. It features a 750t CTLF with optimized change between CT and WL/SL, no manriding required |
| Fuel Consumption: | The NGT1, due to its size and power configuration consumes up to 40% less fuel compared to similar performance vessels. |
