du·o (noun) – A set of two things, who perform together as a pair; The beginning to the end of connection design

Industry’s first multi-taper rotary shouldered connection for drill string

Multi taper drill pipe connection

Drive the bit to TD with the lowest cost

Performance

  • High torque performance.
  • Time-proven V-038R thread form, anti-gall design.
  • Vast selection of sizes: high torque for standard drill pipe tool joint sizes; Mid torque sizes with slim OD or slick-bore ID to reduce drag or increase pump efficiency throughout the entire drill string.

Ease of Use

  • DUO™ stabs 3x deeper than other shallow taper threads, results 4.5x revolution to makeup/breakout.
  • DUO™ offers the industry’s first landing pad design, providing unrivaled operating forgiveness at the rig floor.

Lowest Cost of Ownership

  • Operator & contractor verified lowest repair rate, comprehensive inspection data from third-party.
  • Field dress/reface available for minor damage to further reduce cost.
  • Less than 1% shop repair rate, keep the drill string running and non-productive time(NPT) minimum.
  • Existing obsolete inventory conversion to DUO™.

Service/Licensee Network

  • Easy access licensee network.
  • Non-proprietary thread form, globally stocked insert.
  • Tubular/accessories management.
  • Technical/sales/marketing support.
DUO Pin Drill Pipe thread
0 Ends +
More than 45,000 ends in operation 50+ String of DUO™ drill pipe

Shop repair cost at different repair rates

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Average shop repair rate after inspection.

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Saver over $450,000 on machine shop recut per string life
Connection OD ID Rec. MUT(ft-lbs) Max MUT(ft-lbs)
390 DUO™
4.875"
2.688"
21,200
23,000
400 DUO™
5.250"
2.688"
29,200
31,600
430 DUO™
5.250"
3.000"
26,000
28,200
433 DUO™
5.250"
3.250"
21,000
22,800
450 DUO™
5.500"
3.250"
26,800
29,100
450 DUO™
5.500"
3.000"
32,500
35,300
450 DUO™
5.625"
2.875"
36,400
39,400
480 DUO™
5.625"
3.750"
25,500
27,600
530 DUO™
6.500"
3.750"
50,000
54,200
550 DUO™
6.625"
3.750"
55,000
59,500
580 DUO™
7.000"
4.250"
59,700
64,700
DUO™