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
Drive the bit to TD with the lowest cost
Performance
- High torque capabilities for superior performance.
- Features the time-tested V-038R thread form with anti-galling design.
- Extensive size options: High-torque versions for standard drill pipe tool joints; Mid-torque sizes with slim OD or slick-bore ID to reduce drag and boost pump efficiency across the entire drill string.
Ease of Use
- DUO® stabs 3x deeper than other shallow taper threads, reducing makeup/breakout time by 4.5x.
- Industry-first landing pad design, offering unparalleled operational forgiveness at the rig floor.
Lowest Cost of Ownership
- Operator and contractor verified with the lowest repair rate in the market, backed by third-party inspection data.
- Field dressing or resurfacing is available for minor damage, reducing repair costs further.
- Less than 1% shop repair rate, minimizing non-productive time (NPT) and keeping the string running.
- Easy conversion of obsolete inventory to DUO®.
Service/Licensee Network
- Convenient access to the licensee network.
- Non-proprietary thread form with globally stocked inserts.
- Comprehensive tubular and accessory management.
- Comprehensive technical, sales, and marketing support.
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Ends +
More than 52,000 ends in operation 55+ 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® has saved expense for:
