18 July 2017
Is the horsepower output of an engine or motor actually measurable by various means, most simply a special type of brake having an arm counterbalanced by […]
18 July 2017
1) to unscrew one section of pipe from another section, especially drill pipe while it is being withdrawn from the wellbore. During this operation, the tongs […]
18 July 2017
Usually means unscrewing the drill stem into single joints and placing them on the pipe rack. This operation takes place at the completion of the well […]
25 July 2017
A device attached to the catshaft of the drawworks that is used as a power source for unscrewing drill pipe; usually located opposite the driller’s side […]