The walking beam of a pumping unit.
A machine designed specifically for sucker rod pumping. An engine or motor (prime mover) is mounted on the unit to power a rotating crank. The ...
Any porous stratum bearing oil.
1. The extent of a petroleum-bearing formation. 2. The activities associated with petroleum development in an area.
A petroleum- or water-bearing formation of relatively low porosity and permeability.
Additives that, when added to drilling fluid, lubricate bearing surfaces subjected to extreme pressure.
A well using a pumping unit and rods to lift fluid.
» Find the definition of Saddle bearing in Wikipedia.