Gardner-Denver 1100M · 3× CAT 3412 · 500-Ton Top Drive · Big Spring TX
A heavy-duty Robinson Drilling of Texas 2,175HP land rig engineered for deep wells to 24,500 feet. Features a Gardner-Denver 1100M single-drum drawworks driven by three CAT 3412 725HP engines, a Tesco 500-ton hydraulic top drive, dual F1600 triplex mud pumps, a 142-foot Brewster derrick with 1,000,000-lb hook load, and IDECO 868K box-on-box substructure. Last documented November 2014 — verify current configuration.
| Operator | Robinson Drilling of Texas |
| Location | Big Spring, TX 79720 |
| Depth Range | 10,000' – 24,500' |
| Rig Number | 1 |
| Last Updated | November 2014 |
| Model | Gardner-Denver 1100M single drum |
| Prime Movers | 3× CAT 3412 725 HP @ 1,200 RPM |
| Brake | Parkersburg V-200 hydromatic |
| Crown Saver | Crown-O-Matic |
| Derrick Height | Brewster 142' |
| Traveling Block | 5-sheave Garden Denver 500-ton |
| Drill Line | 1-3/8" |
| Static Hook Load | 1,000,000 lbs (10 lines) |
| Substructure | IDECO 868K, 40'L×20'H, Box on Box |
| Rotary Table | Garden Denver 27-1/2" |
| KB Height | 22' |
| Rotary Clearance | 16' |
| Model | Tesco 500 Ton Hydraulic |
| Pumps | 2× F1600 Triplex |
| Prime Movers | 2× CAT 3512 1,475 HP @ 1,200 RPM |
| Pit Capacity | 1,500 bbl standing (3 pits) |
| Premix Pit | 128 bbl |
| Centrifugal Pumps | 2× 6"×8", 1× 3"×4" |
| Trash Pump | 4"×4" |
| Annular | 13-5/8" Hydril @ 5,000 psi |
| BOP | 13-5/8" @ 5,000 psi |
| Accumulator | Fabricated horizontal tank |
| Choke Manifold | Fabricated double-valve |
| Generators | 2× 500 KW |
| Gen Engines | 2× CAT 3412 725 HP @ 1,200 RPM |
| Drill Pipe | ~457 joints 5" |
| 8" Drill Collars | 15 |
| 6" Drill Collars | 24 |
| Accommodations | Toolpusher bunkhouse, 2 doghouses (12 lockers) |
| Surface System | TOTCO Rig Sense |
| Water Tanks | 3× 500 bbl |
Contact Total Drilling Supply LLC for pricing, inspection arrangements, and availability on this rig.