SANDUNGA
Sandunga is a self-elevating unit with three independent legs, capable of performing drilling and oil well workover operations in water depths of up to 350 ft (107 m).
The Jack-up Sandunga is focused on shallow-water drilling and well operations, including new well drilling, workovers, major repairs, completions, and support activities for offshore infrastructure development and maintenance projects.
| General Description | |
| Design | Marathon Letourneau 116-C |
| Operation water depth | 350 ft (107 m) |
| Builder / shipyard | Marathon Letourneau, Inc. |
| Shipyard location | Brownsville, TX, USA |
| Class entity | ABS |
| Unit classification | ABS A-1 Self Elevating Drilling Unit |
| Flag | Mexico |
| Accommodation | 100 people |
| Main Dimensions | |
| General dimensions | 243 x 200 x 26 ft (74 x 61 x 8 m) |
| Square legs | 3 x 477 ft (145 m) length |
| Spud can diameter | 46 ft (14 m) |
| Cantilever | 45 x 24 ft (13.7 x 7.3 m) |
| Cantilever extension | 15 ft (4.6 m) |
| Helicopter landing deck | 72.9 ft circular / Sikorsky S-61N/S-92, maximum load deck 20,500 lb (9.3 t) |
| Maximum variable load | 5,308 kips (2,401 t) |
| Power Equipment | |
| Main engines | 4 x Caterpillar 3516B, 1,885 hp |
| Generators AC | 4 x Kato, 1,305 kw, 1,200 rpm |
| Power control room DC | 4 x Ross Hill SCR, 1600 A each |
| Cranes | |
| Cranes |
3 x Marathon Letourneau PCM-120, 50 st (45 t) at 24 ft (7.3 m) radius, 1 x 100 ft boom, 2 x 120 ft boom |
| Drilling Equipment | |
| Derrick | MH Pyramid 860, 170 x 30 x 30 ft (51.8 x 9.1 x 9.1 m) |
| Load hook capacity | 1,500 kips (750 st / 680 t) |
| Drilling capacity | 25,000 ft (7,622 m) |
| Drawworks | National 1625-DE, 3,000 hp, driven by 3 GE-752, auxiliary brake Baylor - Elmagco 7838 |
| Top drive | Varco TDS 8SA, 750 st (680 t), maximum torque 63,000 ft-lbs |
| Pipe handler | Varco PH-100 |
| Rotary table | National C-375, 37.5 in, electrical drive GE-752 |
| Iron roughneck | Forum WR-120 |
| Instrumentation system | Stream – Rig Manager |
| Circulation Equipment | |
| Mud pumps | 3 x National 12P-160 triplex, 1,600 hp |
| Shakers | 4 x Mi Swaco / Mongoose |
| BOP Equipment | |
| Diverter | Annular preventor and diverter 29 ½ in, 500 psi |
| BOP stack | 16 ¾ in 5M, annular preventor Hydrill type + Cameron double and single U type |
| Storage Capacity | |
| Fuel | 2,239 bbls (355 m³) |
| Liquid mud | 2,394 bbls (380 m³) |
| Base oil mud | 1,473 bbls (233 m³) |
| Bulk material | 9,981 ft³ |
| Drilling water | 12,141 bbls (1,927 m³) |
CERTIFICATIONS
