GB5022190047304191020
OIL DRILL PIPE, A PIECE OF EQUIPMENT USED IN THE DRILL STRING. IT IS HOLLOW, THICK-WALLED, STEEL PIPING THAT IS USED ON DRILLING RIGS AND HORIZONTAL DRILLING TO FACILITATE THE DRILLING OR A WELLBORE. THE PRODUCT IS A SINGLE PIECE TOOL MANUFACTURED FROM HIGH-STRENGTH ALLOY STEEL (AISI 4145).