18 July 2017
An operation made to determine the angle from which a bit has deviated from the vertical during drilling. There are two basic deviation-survey, or drift-survey, instruments; […]
18 July 2017
A drilling bit that has a steel body surfaced with a matrix and industrial diamonds. Cutting is performed by the rotation of the very hard diamonds […]
18 July 2017
A high-compression, internal-combustion engine used extensively for powering drilling rigs.
18 July 2017
The power supplied to a drilling rig by diesel engines driving electric generators; used widely.