Drill string
Videos
A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid and torque to the drill bit. The term is loosely applied to the assembled collection of the smuggle
A photograph of a broken segment of drill string
With roughneck and fish tail bit on drill collar, 1938, Climax-Molybdenum Co. plant, Iowa Colony, Texas
8 inch drilling jar (red and white) on casings
Oilfield Surface Resonant Vibrator
Drill pipe
Videos
Drill pipe, is hollow, thin-walled, steel or aluminium alloy piping that is used on drilling rigs. It is hollow to allow drilling fluid to be pumped down the hole through the bit and back up the annul
Drill string
…A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied to the…
Pipe rack
Drill pipe