A

Metal products for drilling or casing a well and having a coating applied thereto using a thermal spraying process, namely, pipes, tubing, centralizers for maintaining the position of a tubular member within a borehole, float shoes, guide shoes, reamer shoes, float valves, float collars, cementing collars, casing scrapers, wall scrapers, wall wipers, cable wipers, cable clamps, wall scratchers, wire scratchers, stop rings, metal collars, bows and bottom hole scrapers, all of the foregoing not being parts of machines

Downhole drilling tool machine parts, namely, float shoes and collars, casing centralizers for maintaining the position of the casing in a wellbore, cementing collars, casing scrapers, wall scrapers, wall wipers, cable wipers, cable clamps, wall scratchers, wire scratchers, stop rings, metal collars, bows and bottom hole scrapers