6 Expandable tubing, slotted tubing, coiled tubing, casing, liner, completion liner, couplings, rollers and down hole tractors, all of metal, for use in the oil and gas exploration and extraction industry; parts and fittings therefor
7 Apparatus for use in the oil and gas exploration and extraction industry, namely rotary expansion tools; deployment systems comprised of a hydro-mechanical tool that utilizes piston-activated rollers to allow expanding tubular to contract the bore holes