18 July 2017

Tool joint

A heavy coupling element for drill pipe. It is made of special alloy steel and has coarse, tapered threads and seating shoulders designed to sustain the […]
18 July 2017

Toolpusher

An employee of a drilling contractor who is in charge of the entire drilling crew and the drilling rig. Also called a drilling foreman, rig manager, […]
25 July 2017

Top drive

Top drive systems primarily function like a power swivel, applying rotary torque to the drill pipe at the top of the drill string. Some early top […]
18 July 2017

Top drive casing running system

An adaptor that attaches to the top drive eliminating floor tongs and manual handling of casing using the power and rotation from the top drive. When […]