18 July 2017
Powered by compressed air, as are the clutch and the brake system in drilling equipment. See choke.
18 July 2017
Pertaining to a wellbore in which casing has been run and cemented. See Casing.
25 July 2017
Said of equipment or a system so constructed that, in the event of failure or malfunction of any part of the system, devices are automatically activated […]
18 July 2017
Preventing the passage of fluid. A formation may be porous yet impermeable if there is an absence of connecting passages between the voids within it. See […]
18 July 2017
1) of a wellbore, having no casing. 2) of a hole, having no drill pipe or tubing suspended in it.
18 July 2017
The rate at which the drill proceeds in the deepening of the wellbore. It is usually expressed in terms of ft per hour.
18 July 2017
A term used for the initial pressure of gas in a well.
18 July 2017
A term used to describe a product which is not susceptible to the action of gases or other vapors. Its principal application on a drilling rig […]
18 July 2017
Pertaining to the time when drilling or completion operations are suspended so that the cement in a well can harden sufficiently.
