• Slip-Proof™ Drill Pipe

    The drill pipe is manufactured with a thick-wall cross section tube welded between the box tool joint and the upset drill pipe tube.  

    Description

    Slip-Proof drill pipe is a Grant Prideco patented product designed to improve the fatigue life of drill pipe by reducing the effect of slip damage. The pipe is manufactured with a thick-wall cross section tube welded between the box tool joint and the upset drill pipe tube. The thick-wall section has the same OD and ID as the drill pipe upset and the tool joint weld neck. The thicker section is approximately 32" long and has a minimum yield strength of 120,000 psi.

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    Features/Benefits

    Advantages of Slip-Proof Drill Pipe

    • Removes the slips from the high stress area of the tube.
    • Improves fatigue life.
    • Prevents slip crushing.
    • Prevents bending of the pipe in the rotary table.
    • Allows slips to bite better.
    • Prevents washouts resulting from slip damage