Presenters
Fred Gipson, Consultant
Present day technology allows maximum sucker rod loading to be 50,000 psi, and air balance pumping units are available with stroke lengths of 240 inches, beam capacities of 47,000 pounds and gear reducers that have a torque capacity of 2,56O,OOO inch-pounds. Sucker rods with a diameter of 1.125 inches are available. A.F.I. RP 11L supplies data on 1.25 inch rods, but these are not manufactured at this time.