The XT connection’s increased torsional strength enables tool joint dimensional optimization that is more aligned with the pipe body torsional strength. This additional strength meets the required torque for drilling extended reach or in more performance-demanding environments.
Even in a more streamlined configuration, XT provides 70% more torque than API connections of comparable dimensions. The XT connection is designed to deliver a higher torque rating than first-generation double-shouldered connections. Cold-rolled threads further enhance their ability to resist fatigue. XT connections have a proprietary thread design with a larger root radius to maintain greater fatigue resistance than American Petroleum Institute (API) connections, even at increased operational torque. XT connections often enable the use of larger drill pipe for a given hole size while maintaining fishability, and they serve as the market reference for deepwater and extended reach drilling. Incorporating a second-generation double-shouldered design with a proprietary thread profile, these connections provide improved hydraulics and more torque than connections of comparable dimensions. The Grant Prideco™ eXtreme™ Torque (XT™) connection is a high-performance rotary-shouldered connection available for pipe sizes from 2⅜ to 6⅝ in.
High-performance connections for extreme drilling conditions
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