7
Oil and gas well completion equipment, namely, downhole thru-tubing packers
37
Oil and gas well completion services, namely, operating thru-tubing packing equipment to recover and reinstate a well for others; rental of thru-tubing packing equipment and personnel to recover and reinstate a well; installation of coiled and jointed tubing in oil and gas wells; oil and gas well repair services, namely, thru-tubing installation services for the oil and gas industry; operating oil and gas well thru-tubing installation equipment for others and supervising the operation of oil and gas well thru-tubing installation equipment for others
40
Oil and gas well treatment services, namely, oil and gas well fracturing, acidizing, and oil well perforation services
42
Technology supervision and inspection of oil and gas well equipment for others; operating oil and gas well equipment for testing of the wells for others; inspection of oil and gas field tubing for others; oil and gas well thru-tubing services, namely, providing personnel to operate, supervise and inspect thru-tubing equipment and drill pipe as it is inserted into the wellbore; and oil and gas well pipeline testing
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