Equipment relating to the oil and gas industry, namely, oil and gas well pumps to raise oil and gas from the ground to the surface, pump jacks, progressive cavity pumps, electro submersible pumps, drive heads for artificial lift systems, wellheads, surface flow-control facilities, namely, natural flow control and gas lift, compressors and artificial lift systems comprising mechanical and hydraulic lifts and choked flow control for use in the oil and gas industries to improve production from w...