42 Technical consulting in the field of production of oil, gas, geothermal, and water wells to maximize, extend, and optimize recovery and reservoir drainage in association with coil tubing, wireline, slickline, capillary tubing, jointed pipe, and solid rods, matrix and fracture stimulation, wellbore cleanout, logging, wellbore profiling, plug-and-abandonment, perforating, nitrogen kickoff, sand control, drilling, cementing, well circulation, and mechanical isolation; consulting in the design and development of hardware and software in the field of production of oil, gas, geothermal, and water wells to maximize, extend, and optimize recovery and reservoir drainage in association with coil tubing, wireline, slickline, capillary tubing, jointed pipe, and solid rods, matrix and fracture stimulation, wellbore cleanout, logging, wellbore profiling, plug-and-abandonment, perforating, nitrogen kickoff, sand control, drilling, cementing, well circulation, and mechanical isolation