18 July 2017
The power that is put into a usable unit, operating system, or piece of equipment.
18 July 2017
Any one of several types of valve installed in the drill stem to prevent a blowout through the stem. Flow is possible only downward, allowing mud […]
18 July 2017
A device or assembly of devices designed for one or more of the following functions: to measure operating variables (such as pressure, temperature, rate of flow, […]
25 July 2017
An enclosure for remotely controlling equipment. Generally (but not always) used to describe a Driller’s cabin. The enclosure typically includes both controls and instrumentation at an […]
18 July 2017
The string of casing set in a well after the surface casing but before production casing is set to keep the hole from caving and to […]
21 October 2021
International trade association that is the major standards-development, advocacy organization for the drilling industry.
18 July 2017
When the use of fluid from an accumulator is very slow, the process is isothermal because the temperature of the system remains the same through the […]
18 July 2017
A mobile bottom-supported offshore drilling structure with columnar or open-truss legs that support the deck and hull. When positioned over the drilling site, the bottoms of […]
18 July 2017
The directed, rapid flow of fluid from a nozzle. Besides jets from bit nozzles, jets are also involved in pumps for removing fluid and trash from […]
18 July 2017
A drilling bit having replaceable nozzles through which the drilling fluid is directed in a high-velocity stream to the bottom of the hole to improve the […]
18 July 2017
An assembly, including a carrier and shaped charges, that is used in jet perforating.
18 July 2017
Operation using the jet to clean out the cellar, slush pit, etc.
