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
The end of the drilling line that is affixed to the drum or reel of the drawworks, so called because it travels with greater velocity than […]
25 July 2017
A break in the earth’s crust along which rocks on one side have been displaced (upward, downward, or laterally), relative to those on the other side.
25 July 2017
The act of unwinding a cable from a drum. Also a device on a drilling rig that keeps the weight on the bit constant, and lowers […]
18 July 2017
1) a geographical area in which a number of oil or gas wells produce from a continuous reservoir. A field may refer to surface area only […]
18 July 2017
To pump drilling fluid into the wellbore while the pipe is being withdrawn to ensure that the wellbore remains full of fluid even though the pipe […]
18 July 2017
1) compacted solid or semisolid material remaining on a filter after pressure filtration of mud with a standard filter press. Thickness of the cake is reported […]
18 July 2017
A rack that supports the tops of the stands of pipe being stacked in the derrick or mast. It has several steel finger-like projections that form […]
18 July 2017
An object that is left in the wellbore during drilling or workover operations and that must be recovered before work can proceed. It can be anything […]
18 July 2017
Operations on the rig for the purpose of retrieving from the wellbore sections of pipe, casing, or other items which may have become stuck or inadvertently […]
18 July 2017
A tool designed to recover equipment lost in a well.
18 July 2017
To tie a piece of cloth or other marker on a bailing or swabbing line to enable the operator to know the depth at which the […]
