XT-M Connections

The industry’s first gas-tight, pressure-rated rotary-shouldered connection


As an eXtreme™ Torque connection with a patented radial metal-to-metal seal, XT-M™ provides torsional strength comparable to XT Connections combined with a gas-tight pressure-sealing capability.

The gas-tight seal is generated by radial interference, reducing the effects of tensile load. Capable of resisting high-pressure liquids and gas, the seal integrity is not affected by multiple make-and-breaks of the connection.

All sizes of the XT-M connection are pressure rated at 15,000 psi internal and 10,000 psi external.

XT-M drill strings can be used for drill stem testing (DST) operations, high-pressure workover and completion operations, and underbalanced drilling operations. An XT-M drill string eliminates the need for a separate work string, which saves time, money, and rig space.

XT-M connections are not interchangeable with any other rotary-shouldered connection, including XT connections.


Standard XT-M Configurations for S135 Grade Drill Pipe

Contact your Grant Prideco representative for further tool joint OD and ID configurations.
Pipe OD (in.) Nominal weight (lb/ft) Connection Tool joint OD × ID (in.) Maximum MUT (ft-lb)
3.500 13.30 XT-M 38 4.750 × 2.563 16,700
3.500 15.50 XT-M 38 4.750 × 2.438 18,400
4.000 14.00 XT-M 39 4.875 × 2.688 18,900
4.000 15.70 XT-M 39 5.000 × 2.563 22,300
4.500 16.60 XT-M 46 6.250 × 3.250 38,500
4.500 20.00 XT-M 46 6.250 × 3.250 38,500
5.000 19.50 XT-M 50 6.625 × 3.750 42,000
5.000 25.60 XT-M 50 6.625 × 3.500 50,200
5.875 23.40 XT-M 57 7.000 × 4.250 51,500
5.875 26.30 XT-M 57 7.000 × 4.250 51,500
6.625 25.20 XT-M 69 8.500 × 5.250 92,700
6.625 27.70 XT-M 69 8.500 × 5.250 92,700

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