18 July 2017

Bug blowers

A large fan installed on a drilling rig to blow insects away from the work area.
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 […]
18 July 2017

Cable

A rope of wire, hemp, or other strong fibers. See wire rope.
18 July 2017

Cable-tool drilling

A drilling method in which the hole is drilled by dropping a sharply pointed bit on bottom. The bit is attached to a cable, and the […]
18 July 2017

Caprock

1) a disk-like plate of anhydrite, gypsum, limestone, or sulfur overlying most salt domes in the Gulf Coast region. 2) impermeable rock overlying an oil or […]
10 November 2021

Carbon Dioxide (CO2)

An essential building block of nature, it is a natural gas that is highly compressible, highly expansible mixture of hydrocarbons.
18 July 2017

Cased

Pertaining to a wellbore in which casing has been run and cemented. See Casing.