87235982
Nov 14, 2016
machines for drilling, completing, producing, and working oil and gas wells and parts therefor, namely, frac plugs, toe valves, and frac balls.; machines for drilling, completing, producing, and working oil and gas wells and parts therefor, including retrievable production packers, permanent packers, cement retainers, bridge plugs, seal bore packers, on/off tools, frac sleeves, open hole packers, squeeze packers, squeeze manifolds, retrievable bridge plugs, tubing anchors, wireline adapter kits, and landing nipples
Machineryrepair and maintenance of tools used in drilling, completion, production, and working of oil and gas wells; rental of tools used in drilling, completion, production, and working of oil and gas wells; contractor services, namely, review of and remedial recommendations for oil and gas well downhole tools for others
Building Construction and Repairengineering services in connection with the design, manufacture, and application of specialized downhole tools
Computer and Scientific