Brewster N-75 — Tesco 250-Ton Top Drive — Forum Pipe Handler — 136' Derrick
Robinson Drilling of Texas RD Rig 6 is a 1,080HP land rig with Brewster N-75 drawworks powered by dual CAT C-15 engines. Rated to 13,500 ft with a 136-ft derrick, 650,000-lb hook load, Tesco 250-ton HXI top drive, Forum FH-80 pipe handler, dual F1600 triplex mud pumps, and a full Pason system. Updated April 2025.
| Operator | Robinson Drilling of Texas (RD) |
| Rig Number | 6 |
| Depth Range | 6,000' — 13,500' |
| Last Updated | April 2025 |
| Model | Brewster N-75 |
| Prime Movers | 2× CAT C-15 540 HP @ 1,200 RPM |
| Brake | Parmac 342 Hydromatic |
| Crown Saver | Crown-O-Matic |
| Derrick Height | 136' |
| Traveling Block | 5-Sheave McKissick 250-Ton |
| Drill Line | 1-1/4" |
| Static Hook Load | 650,000 lbs (10 lines) |
| Substructure | Lee C Moore 16'10" Box on Box |
| Rotary Table | ZP-275 27-1/2" |
| KB Height | 18'6" |
| Rotary Clearance | 11'3" |
| Top Drive | Tesco 250 Ton HXI |
| Pipe Handler | Forum FH-80 |
| Pumps | 2× F1600 Triplex |
| Prime Movers | 2× CAT 3512 1,475 HP @ 1,200 RPM |
| Pit Capacity | 800 bbl standing (2 pits) |
| Premix Pit | 250 bbl |
| Centrifugal Pumps | 5"×6", 3"×4", 4"×4" transfer |
| Solids Control | Mongoose double shaker, desander/desilter |
| Annular | 13-5/8" @ 5,000 psi |
| BOP | 13-5/8" Shaffer @ 5,000 psi |
| Spare Stack | 11" 5,000 psi available |
| Accumulator | Fabricated tank |
| Choke Manifold | Fabricated double-valve |
| Generators | 2× 440 KW |
| Gen Engines | 2× CAT C-18 831 HP @ 1,200 RPM |
| Drill Pipe | ~427 joints 5" |
| HWDP | 16 joints |
| 8" Drill Collars | 12 |
| 6" Drill Collars | 21 |
| Wireline Unit | 12,500' |
| Surface System | Pason (top doghouse) |
| Accommodations | Toolpusher bunkhouse, 2 doghouses (12 lockers) |
| Water Tanks | 2× 500 bbl |
| Parts House | Yes |
Contact Total Drilling Supply LLC for pricing, inspection, and availability on this rig.