We do BHA (bottom hole assembly) non-destructive wet-mag particle, dry-mag particle inspection on magnetic rotatory shoulder connections; drill collars, subs, hevi-wate drill pipe, motors, etc. and their upsets. And non-destructive dye penetrant inspections on non-magnetic rotatory shoulder connections; slick drill collars, subs, flex joints and their upsets. We use Drilco refacing equipment and are fully insured.