A well pump puller having a well casing collar including a coupling adapted to be tightly secured to a well casing and a frame support of legs upstanding from the coupling. A frame which is removably mounted on the support includes first and second u-shaped members pivotally mounted on one of the frame support legs. Wheels with well pipe engaging surfaces are rotatably mounted on each u-shaped member. Locking apparatus are provided for securing the u-shaped members together with the pipe engaging surfaces of the wheels on the u-shaped members above the coupling of the well case collar. A motor transmits power to the wheels on the first u-shaped member, to move well pipe relative to the casing. A crank on the second u-shaped member moves the wheel towards and away from the wheels on the first unshaped member. The frame may be mounted on a stand instead of a well casing collar.