• High Strength Drill Pipe

    Grant Prideco's S-135T™ , Z-140™, V-150™ and UD-165™ drill pipe enable you to drill deeper and step out further

    S-135T™ - Enhanced Toughness

    Continuous high drilling loads lead to increased fatigue rates. Proprietary grade S-135T™ offered by Grant Prideco provides high strength and high toughness. S-135T drill pipe incorporates a proprietary chemistry and a rigidly controlled quench and temper heat treatment. Providing a minimum average Charpy impact of 59 ft-lbs, S-135T meets or exceeds all of the requirements if of API S-135 as well as NS-1, DS-1 specification for critical service, NORSOK, and other rigourous proprietary standards. With significantly higher fracture toughness than API S-135 drill pipe, S-135T will work harder and longer.

    eXtreme™Drilling Z-140™ -High Strength and High Toughness with Superior Tensile Strength

    Compared to S-135T, Grant Prideco’s Z-140 grade provides increased tensile strength and increased toughness. Incorporating proprietary chemistry and a rigidly controlled quench and temper heat treatment Z-140 provides an exceptional balance between strength and toughness required for deep, ERD, and deepwater wells.

    eXtreme™Drilling V-150™ - The Drill Pipe That Has Enable Drilling Many Of Today's World Class Wells

    In comparison to API S-135, Grant Prideco V-150 grade drill pipe provides 11% greater tensile strength while maintaining better impact strength. Toughness values this high, allows total confidence when running V-150. Grant Prideco V-150 drill pipe has enabled drilling of today’s deepest wells.

    UltraDeep™UD-165™ - Ultra-High Strength Drill Pipe To Extend Today's Drilling Envelope - Ultra-Deep and " Ultra - ERD" Wells

    UltraDeep™ UD-165™ is the result of an extensive two-year development program. During the design phase, four different chemistries were evaluated. Process parameters and mechanical properties — hardness, tensile, impact were optimized. With the alloy finalized, crack tip opening displacement (CTOD) testing, fatigue testing, slip-testing, full-scale manufacturing test and extensive field trails were conducted to verify performance.


    • Reach Objectives

    High strength drill pipe enables you to drill deeper and step out further.

    • Reduce Hook Load

    Higher strength pipe allows you to reduce drill stem weight, reducing torque and drag.

    High strength drill pipe is more economical than aluminum or titanium alternatives.

    • Improve Hydraulics

    Reduced wall thickness opens pipe I.D., providing improved hydraulics.

    • Toughness

    Compared to API S-135, over 22% stronger with no loss of toughness.

    • Confidence

    Steel is a proven technology.

    Over 1.5 million feet Grant Prideco high strength, high toughness drill pipe sold.