18 July 2017
1) a well about which information is restricted for security or competitive reasons. 2) a section of the hole that, for some reason, is undergauge. For […]
18 July 2017
The large wrenches used to make up or break out drill pipe, casing, tubing, or other pipe; variously called casing tongs, pipe tongs, and so forth, […]
18 July 2017
A heavy coupling element for drill pipe. It is made of special alloy steel and has coarse, tapered threads and seating shoulders designed to sustain the […]
18 July 2017
An employee of a drilling contractor who is in charge of the entire drilling crew and the drilling rig. Also called a drilling foreman, rig manager, […]