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| The Ocean Rig Crete and Ocean Rig Amorgos will be the most advanced of Ocean Rig UDW's ultradeepwater drillships when delivered in 2018 and 2019. |
Νέα μέλη στον στόλο της Ελληνικής εταιρείας
Ocean Rig Crete
7th Generation New integrated Design Deep Water Drillship.Ocean Rig TBN #1 is a new build and will be completed in Q1 2018.
The rig is being built at Samsung Heavy Industries Shipyard in South Korea.
The rig has dual activity capabilities and design for drilling operations in water depths up to 3650 meters (12000 feet).
The rig is Dynamic Positioned, DP Class 3.
Specifications
| GENERAL | |
| Unit name | Ocean Rig TBN #1 |
| Unit type / shape | MODU / Drillship |
| Construction Year | 2017 |
| Construction Yard | Samsung Heavy Industries, Korea |
| Classification | ABS, A1 E Drillship, AMS, ACCU, DPS-3, DLA, OHCM, CDS, RW, UWILD |
| MAIN DIMENSIONS | |
| Length | 230.0 m (754.6 ft) |
| Width | 42.0 m (137.8 ft) |
| ADDITIONAL DATA | |
| Accommodation capacity | 240 individuals |
| Helicopter deck | Octagonal shape |
| 22.8 m (74.8 ft) D-value | |
| 14.6 mt load capacity | |
| Life boats | 4 ea. 80 persons (accommodation) |
| 2 ea. 80 persons (aft engine casing side) | |
| VARIABLE LOADING (VL) | |
| Drilling | 24,000 mt |
| Transit | 20,000 mt |
| Survival | 24,000 mt |
| CAPACITIES | |
| Diesel oil | 7,500 cu.m (47,170 bbl) |
| Fresh water | 1,250 cu.m (7,860 bbl) |
| Drill water | 3,000 cu.m (18,860 bbl) |
| Base oil | 750 cu.m (4,710 bbl) |
| Brine | 750 cu.m (4,710 bbl) |
| Active mud | 1,500 cu.m (9,430 bbl) |
| Reserve mud | 2,600 cu.m (16,350 bbl) |
| Waste mud | 300 cu.m (1,880 bbl) |
| Bulk barite/bentonite | 450 cu.m (2,830 bbl) |
| Bulk cement | 450 cu.m (2,830 bbl) |
| MACHINERY & SYSTEMS | |
| Main generator engines | 6 ea. x 7,680 kW (6 ea. x 10,299 hp) |
| Thrusters | 6 ea. x 5,000 kW (6 ea. x 6,705 hp) |
| Thrusters type | Azimuth, underwater demountable |
| DP system | DP Class-3 |
| OPERATING PARAMETERS | |
| Drilling depth (designed) | 12,192 m (40,000 ft) |
| Drilling depth (outfitted) | 12,192 m (40,000 ft) |
| Water depth (designed) | 3,657 m (12,000 ft) |
| Water depth (outfitted) | 3,657 m (12,000 ft) |
| Transit speed | 12 knots |
| Transit draught | 9.5 m (31.2 ft) |
| DRILLING SYSTEMS | |
| Make | NOV (National Oilwell Varco) |
| Derrick type | DDBN (Dual Dynamic Bottle Neck) |
| Static hook load (main) | 1,270 mt (1,400 st) on 16 lines |
| Static hook load (aux) | 907 mt (1,000 st) on 14 lines |
| Setback load | 2,100 mt (2,315 st) |
| Drawworks (main) | AHC (Active Heave Compensated) |
| 7,830 kW (10,500 hp) | |
| Drawworks (aux) | AHC (Active Heave Compensated) |
| 5,593 kW (7,500 hp) | |
| String compensation (main) | CMC (Crown Mounted Compensator) |
| 454 mt (500 st) compensating capacity | |
| String compensation (aux) | n/a |
| Top drive (main) | TDX-1250 / 2,000 kW (2,680 hp) |
| Top drive (aux) | TDX-1250 / 2,000 kW (2,680 hp) |
| Rotary table (main) | RST-755 / hydraulic driven |
| Rotary table (aux) | RST-605 / false rotary |
| Vertical tubular handling (main) | HR-IV-ER / 15 mt SWL |
| ARN-270 / 270 kN.m make up / break out torque | |
| Vertical tubular handling (aux) | HR-IV-ER / 15 mt SWL |
| ARN-270 / 270 kN.m make up / break out torque | |
| Horizontal tubular handling (main) | Riser catwalk / 55 mt transport capacity |
| Horizontal tubular handling (aux) | Pipe catwalk / 15 mt transport capacity |
| Deck cranes | 3 ea. knuckle boom cranes / 100 mt SWL |
| 1 ea. knuckle boom crane / 150 mt SWL | |
| 1 ea. lattice boom crane / 85 mt SWL | |
| MUD SYSTEMS | |
| Make | NOV (National Oilwell Varco) |
| HP mud pumps | 6 ea. 2,200 hp / 7,500 psi |
| Shale shakers | 6 ea. 2,100 gpm flow rate |
| Control system | Automated |
| Cement unit | Third party under free placement agreement |
| SUBSEA SYSTEMS | |
| Make | NOV (National Oilwell Varco) |
| Riser tensioners | 16 ea. single type / single acting |
| 2,000 st total tensioning capacity | |
| Riser joints | 160 ea. 75 ft length |
| 21 in outer diameter | |
| 15/16 & 7/8 in wall thickness | |
| 4.1/2 in choke & kill lines ID | |
| 4 in booster line ID | |
| 2 ea. 2.323 in hydraulic lines ID | |
| Riser gas separator | 50 MMSCF/d gas handling capacity |
| 29.5 ft U-tube height | |
| WELL CONTROL | |
| Make | NOV (National Oilwell Varco) |
| BOP stack | 7 ea. rams 18.3/4 in 15,000 psi WP |
| 2 ea. annulars 18.3/4 in 10,000 psi WP | |
| BOP control system | Multiplex |
| Deadman & auto-shear systems | |
| ROV intervention & acoustic backup systems | |
| Diverter | 75.1/2 in support housing, 500 psi WP |
| Choke manifold | 15,000 psi WP |
| 2 ea. remote chokes | |
| 2 ea. manual chokes | |
| Mud gas separator | 20 MMSCF/d gas handling capacity |
| 25.0 ft U-tube height | |
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