37
Building construction; repair; installation services
oilfield services, namely, construction and maintenance in oil, gas, and water fields in the nature of well completion services, namely, preparing wells for production and cleaning, well servicing in the nature of maintenance, repair, and installation of equipment in wells, removal of equipment from wells, workover services in the nature of maintenance, repair, removal of equipment or tubing from a well, and replacement of equipment or tubing from a well, sidetracking of wells, snubbing of wells, coiled tubing installation and coiled tubing maintenance for wellbore applications, namely, foam washing, acidizing, displacing, gravel packing, plug drilling, and jetting, fishing to remove defective equipment, junk, or debris from a well, and flowback services to remove damaging drilling fluids, completion sands, sand and other debris from the well; production services, namely, pumping of oil, gas, and water; extraction of oil, gas, and water; drilling services, namely, drilling oil, gas, and water wells; providing drilling equipment and drilling tubulars to others, namely, renting drilling equipment and drilling tubulars for the drilling of wells, and contracting trained personnel for operating the drilling equipment; stimulation services, namely, providing well improvement services in the nature of hydraulic fracturing services to stimulate oil, gas, and water production and renting pressure pumping equipment, downhole tools, drill string and pipe handling equipment, bottom-hole assemblies, and tubular goods for stimulating well production, and well and drilling contractor services, namely, operating pressure pumping equipment, downhole tools, drill string and pipe handling equipment, bottom-hole assemblies, and tubular goods for stimulating well production; wellbore preparation, namely, cementing services for oil, gas, and water wells; wellbore preparation for well improvement, namely, installing wireline units to evaluate downhole well conditions for production and wellbore preparation contracting services for well improvement, namely, operating wireline units to evaluate downhole well conditions for production, perforating casing and other downhole tubulars for producing oil, gas, and water from a formation, providing and operating tubing conveyed perforating guns for perforating casing and other downhole tubulars; optimization services, namely, optimizing production of the oil, gas, and water to extend the lifespan and output of the well by providing well improvement services in the nature of hydraulic fracturing services to stimulate oil, gas, and water production and providing customized well improvement services in the nature of fracturing of geologic formations and chemical stimulation of wells for restoring or enhancing well productivity, and well maintenance, namely, providing slickline services to obtain pressure and temperature measurements, perform installations, and perform maintenance services; providing related oil, gas, and water drilling, pumping, and extraction services