25 July 2017
Functionally replaces the derrickman in guiding pipe from the set-back to the travelling equipment. Some systems have hoist mechanisms and some work in conjunction with an […]
18 July 2017
The hydraulic fluid volume recoverable from the accumulator system between the maximum charging pressure and the minimum operating pressure of the accumulator. The minimum operating pressure […]
18 July 2017
A belt with a trapezoidal cross section, made to run in sheaves, or pulleys, with grooves of corresponding shape.
18 July 2017
An opening in a side of a standard derrick at the floor level having the form of an inverted V. This opening is opposite the drawworks. […]