18 July 2017
A body of permeable oil-bearing rock surrounded or overlain by an impermeable barrier that prevents oil from escaping. The types of traps are structural, stratigraphic, hydrodynamic, […]
18 July 2017
An arrangement of pulleys, or sheaves, through which drilling line is reeved and which moves up and down in the derrick or mast. See block.
18 July 2017
A type of bit in which three cone-shaped cutting devices are mounted in such a way that they intermesh and rotate together as the bit drills. […]
18 July 2017
The operation of hoisting the drill stem from and returning it to the wellbore. See make a trip.