18 July 2017
The column, or string, of drill pipe with attached tool joints that transmit fluid and rotational power from the kelly to the drill collars and bit. […]
18 July 2017
The employee directly in charge of a drilling or workover rig and crew. His or her main duty is operation of the drilling and hoisting equipment, […]
25 July 2017
In modern drilling operations, the location from which the Driller operates, generally using joystick controls, to operate drilling and hoisting equipment, as well as to monitor […]
25 July 2017
A record that describes each formation encountered and lists the drilling time relative to depth, usually in 5 to 10-ft. (1.5 to 3-m) intervals.
10 November 2021
An enclosure, mounted near the driller’s position on the rig floor, displaying an array of switches, push buttons, lights and/or valves and various pressure gauges or […]
18 July 2017
A lease or a number of leases of adjoining tracts of land that constitute a unit of acreage sufficient to justify the expense of drilling a […]
18 July 2017
An individual or group that owns a drilling rig or rigs and contracts services for drilling wells.
18 July 2017
A driller, a derrickman, and two or more helpers who operate a drilling or workover rig for one tour each day.
18 July 2017
Circulating fluid, one function of which is to lift cuttings out of the wellbore and to the surface. Other functions are to cool the bit and […]
18 July 2017
The supervisor of drilling or workover operations on a rig. Also called a rig manager, rig supervisor, rig superintendent, or toolpusher.
18 July 2017
The process of drilling into the oil or gas reservoir.
18 July 2017
A wire rope used to support the drilling tools. Also called the rotary line.
