KEY

Providing personnel to operate, maintain and repair oil and gas drilling and well service equipment for others

Oil and gas well drilling, and oil and gas well completion and workover services, namely, preparing wells for production and cleaning, repairing and maintaining re-entered wells; plugging and abandonment of oil and gas wells; laying and construction of pipelines; oil field construction and maintenance services of drilling location and well site pads; installation and maintenance of surface production equipment, flow lines and gathering lines; rental of water filtration units for industrial use; rental of oil and gas well drilling tools, production testing units, and fishing tools; environmental remediation services, namely, oil field waste disposal; snow removal services; mixing, pouring and laying concrete used to plug oil and gas wells and build oil field structures; rental of industrial x-ray equipment; contract oil and gas well drilling services

Truck hauling; lease of fractionation tanks; transportation of brine and other drilling and production fluids from and to pits, tanks, storage facilities and well locations by trucks

Oil and gas well treatment; oil and gas production services, namely, production testing, slickline wireline services; oil and gas well fracturing; clean up and treatment of contaminated soil

Consulting services in the oil and gas industry; design of oil well servicing equipment to the order or specification of others; oil well testing, namely, production testing and pipe testing; production tank level monitoring; well-site data capture and analysis; smoke stack inspection services