Manufactured metal equipment to be positioned within oil and/or gas wells during drilling, completion, production, well abandonment and/or well work-over operations, namely, stabilizers, centralizers, collars, plugs, packers, and downhole valves; metal casings used to stabilize the wellbore in oil and gas wells

Manufactured equipment to be positioned within oil and/or gas wells during drilling, completion, production, well abandonment and/or well work-over operations, namely, wellbore drilling tools, reamers, stabilizers, centralizers, casing and reaming shoes, collars, plugs, packers, downhole valves, and downhole motors; machine tools for use in drilling, installation, construction, and/or exploration in the oil and gas industry, namely, wellbore drilling tools, reamers, stabilizers, vibratory tools, centralizers, casing and reaming shoes, collars, plugs, packers, downhole valves, wellbore clean up tools, fishing tools, catching tools, power swivels, and downhole motors

Engineering services in the field of the design, manufacture, and application of specialized downhole tools; scientific and technological services, namely, scientific research, analysis and testing in the oil and gas fields and design relating thereto; industrial analysis and research services in the field of oil and gas field exploration; analysis services for oil field exploration, drilling, and/or testing