Oil well rig with pipe handling apparatus

Abstract From the Canadian patent

This invention provides an oil well drilling or service rig having inclined capability with pipe handling means which will automatically retrieve pipe from a horizontal pipe rack tilt it, into a position parallel to the mast and transpose it into the, centre line of the mast in line with the drill string and stab the pipe into the drill string for make-up while the elevators are being moved into position to lower the string. The pipe handler can also be used to withdraw pipe from the string in the reverse operation.