ESSENTIAL

Oil and gas services, namely, completions and workovers, namely, cleaning, clearing and wirelining of wells and re-entered wells; production stimulation, running downhole tools, abandonments, coil tubing, preparing wells for production, repairing and maintain well drilling rigs, and well improvement, namely, hydraulic fracturing of subsurface geologic formation to enhance well production; leasing of downhole tools, namely, retrievable and permanent packers, flow control accessories, completion accessories, and liner hanger systems and workover tools in the nature of hydraulic fracturing tools, bridge plugs, cement retainers and stimulation tools