Patent ID: 8317012

Claim:
A drive head assembly for a fluid conveyor system for extracting fluids from a well bore comprising: a motor connected to a transmission; the transmission driving first a sheave in a first direction and a second sheave in a second direction; a first sheave, having a first perimeter and a first set of coaxial grooves around the first perimeter; a second sheave, having a second perimeter and a second set of coaxial grooves around the second perimeter; a third sheave, rotationally mounted in the well bore, having a third perimeter and a third set of coaxial grooves around the third perimeter; a conveyor, wound between the first sheave and the second sheave, contacting the first sheave in the first set of grooves, the second sheave in the second set of grooves and the third sheave in the third set of grooves.