Providing oil and gas well drilling, maintenance, repair, and pressure control services to the oil and gas industry, namely, pressure pumping of nitrogen in oil and gas wells and associated pipelines and vessels for washing, testing, debris removal, and fracturing of subsurface geologic formations in oil and gas wells for improved production; providing oil and gas well drilling, maintenance, repair, and pressure control services, namely, snubbing, namely, coiled tubing and wireline operations performed against well pressure, namely, fishing, namely, recovery of lost or stuck equipment in the well bore, cleanouts, namely, removal of well bore sand, scale, debris, and deposits, installation of well casing and well production tubing, bailing, namely, retrieval of bottom well bore samples, sands, mud, water, oil, or drill cuttings, broaching, namely, removal of well fluids present outside the well casing, gauging, namely, verification of well bore, pipeline, and tubing dimensions, tagging, namely, connection of pipe and tubing with well bore tools, pumping of drilling mud, freezing, namely, freezing of fluids in the well bore to isolate well pressure, hot tapping, namely, remediation of trapped well or pipeline pressure, drilling out of well bore valves, and well bore cementing to improve or prepare for production therefrom