18 July 2017

Torque

The turning force that is applied to a shaft or other rotary mechanism to cause it to rotate or tend to do so. Torque is measured […]
18 July 2017

Torque converter

A hydraulic device connected between an engine and a mechanical load such as a compound. Torque converters are characterized by an ability to increase output torque […]
18 July 2017

Total depth (TD)

The maximum depth reached in a well.
25 July 2017

Tour (pronounced “tower”)

A working shift for drilling crew or other oilfield workers. The most common tour is 8 hours; the three daily tours are called daylight, evening (or […]