18 July 2017
A type of bit in which three cone-shaped cutting devices are mounted in such a way that they intermesh and rotate together as the bit drills. […]
18 July 2017
The operation of hoisting the drill stem from and returning it to the wellbore. See make a trip.
18 July 2017
A trip saver is a device that permits riser hang-off of the disconnected BOP stack to allow drilling operations to continue without retrieval of the BOP […]
18 July 2017
A tubular handling machine is a pipe deck tubular handling arm, some of which handle one joint of pipe at a time and some which handle […]
18 July 2017
A downhole motor that rotates a bit by the action of the drilling mud on turbine blades built into the tool. When a turbodrill is used, […]
18 July 2017
A slang term on a rotary rig referring to the actual drilling operation during which the drill stem is rotated in a clockwise direction.
18 July 2017
To twist a joint of drill pipe in two by excessive force applied by the rotary table. Many failures which result in parting of the drill […]
25 July 2017
See Horizontal tubular transfer. A two arm system is the combination of an upper tailing arm and an intermediate hoisting/racking arm. A three arm system is […]
20 October 2021
A well construction or maintenance activity employing appropriate equipment and controls where the pressure exerted in the wellbore is intentionally less than the pore pressure in […]
10 November 2021
Drilling operations employing used in drilling oil and gas wells with appropriate equipment and controls where the pressure exerted in the wellbore is intentionally less than […]
18 July 2017
To enlarge a drill hole below the casing.
18 July 2017
The oil company in charge of development and production in an oilfield in which several companies have joined to produce the field.
