The weight on the hook of the drill stem and/or casing expressed in pounds.

A large funnel- or cone-shaped device into which dry components (such as powered clay or cement) can be poured to mix uniformly with water or other […]

A device designed to transition a single tubular (and in a few cases whole stands) between a horizontal or angled presentation and a vertical position in […]

A horizontal or angled machine that transfers tubulars from the pipe deck/rack to the rig floor, often achieved with carts, carriages, rollers, or belts. Pipe conveyor: […]