Rig Equipment
Reference specs & editable inventory
| Category | Equipment | Function | Typical Specs |
|---|---|---|---|
| Hoisting | Drawworks | Hoists and lowers the drill string; provides braking | 1,000 - 3,000 HP, 1,000 - 1,500 ton capacity |
| Hoisting | Crown Block | Redirects drilling line from drawworks to traveling block | 500 - 1,000 ton, 6-8 sheaves |
| Hoisting | Traveling Block | Moves up/down with drill string; holds hook | 500 - 1,000 ton, 4-5 sheaves |
| Hoisting | Hook | Suspends drill string from traveling block | 350 - 1,000 ton |
| Hoisting | Swivel | Allows rotation while circulating mud through string | 400 - 650 ton, 5,000 - 7,500 psi WP |
| Rotating | Top Drive System | Rotates drill string from top; makes/removes connections | 750 - 1,500 HP, 40,000+ ft-lb torque |
| Rotating | Rotary Table | Rotates drill string via kelly; backup to top drive | 17-1/2", 27-1/2", 37-1/2" opening |
| Rotating | Kelly | Square/hex drive that transmits rotation from rotary table | 6" or 7-1/4" hex, 40 ft |
| Circulating | Mud Pump (Triplex) | Circulates drilling fluid through the system | 500 - 2,200 HP, 7,500 - 15,000 psi |
| Circulating | Mud Pump (Duplex) | Legacy double-acting mud pump | 500 - 1,500 HP |
| Circulating | Standpipe Manifold | Distributes mud from pumps to drill string | 5,000 - 15,000 psi WP |
| Circulating | Choke Manifold | Controls backpressure during well control operations | 5,000 - 15,000 psi WP |
| Circulating | Shale Shaker | Primary solids control; removes cuttings from mud | 2-4 screens, linear/melon motion |
| Circulating | Desander / Desilter | Removes fine solids (sand/silt) from drilling mud | 10-20 cones, 8" or 4" hydrocyclones |
| Circulating | Mud Cleaner | Combination desander/desilter over fine screen | 8-12 cones + 200 mesh screen |
| Circulating | Centrifuge | Removes ultra-fine solids; barite recovery | 1,500 - 4,000 rpm bowl |
| Well Control | Annular BOP | Seals on any pipe or open hole | 2,000 - 10,000 psi, 7-1/16" - 21-1/4" |
| Well Control | Ram BOP | Seals on specific pipe / blind / shear | 2,000 - 20,000 psi, 3-1/16" - 21-1/4" |
| Well Control | Choke/Kill Valve | High-pressure gate valve for choke/kill lines | 5,000 - 20,000 psi, 2-1/16" - 4-1/16" |
| Well Control | Accumulator Unit | Stores hydraulic pressure to operate BOP stack | 300 - 3,000 gal, 3,000 psi |
| Power Generation | Generator Sets | Provides electrical power to the rig | 500 - 2,000 kW, diesel-electric |
| Power Generation | SCR House / VFD | Controls power distribution to motors (DC/AC) | 500 - 2,000 kW control |
| Pipe Handling | Iron Roughneck | Automated make-up/break-out of drill pipe connections | 5,000 - 40,000 ft-lb torque |
| Pipe Handling | Power Tongs (Casing) | Makes up casing/tubing connections | 10,000 - 40,000 ft-lb torque |
| Pipe Handling | Mousehole / Rat Hole | Holds single joint / kelly during operations | 40-45 ft depth |
| Pipe Handling | Pipe Racker | Automated stand handling on rig floor | Horizontal/vertical, 90-100 stands |