Challenging the DS1-CAT 3-5 Inspection findings that is failing most of our nearly new Drill pipe.
DS1 CAT 3-5 is the inspection criteria that's being used to inspect our drill string of 6-5/8" FH 34.2 lbs/ft VM-140 drill pipe.
8-1/2" OD tool joints 0.522 wall thickness tube.
Pin ID 4.25" Box ID...