18 July 2017

Double board

The name used for the working platform of the derrickman, or monkeyboard, when it is located at a height in the derrick or mast equal to […]
18 July 2017

Downhole telemetry

Signals transmitted in real-time (while drilling) from an instrument located near the bottom of the drill string to a receiving monitor on the surface (a surface-readout). […]
18 July 2017

Drawworks

The hoisting mechanism on a drilling rig. It is essentially a large winch that spools off or takes in the drilling line and thus raises or […]
18 July 2017

Drill bit

The cutting or boring element used for drilling. See bit.