25 July 2017

Bull’s eye

A mechanical slope indicator that consists of a ball rolling on a calibrated surface within a liquid filled enclosure that gives a visual indication of the […]
18 July 2017

Bullet perforator

A tubular device that, when lowered to a selected depth within a well, fires bullets through the casing to provide holes through which the formation fluids […]
18 July 2017

By heads

A term applied to a flowing well when the flow is made intermittently.
18 July 2017

Bypass

Usually refers to a pipe connection around a valve or other control mechanism. A bypass is installed in such cases to permit passage of fluid through […]