Drill pipe spec
3½" S-135 Drill Pipe
13.3 lb/ft · S-135 · NC38 (3½ IF)
3½" S-135 drill pipe is a 13.3 lb/ft API 5DP tubular with a 0.368" wall and NC38 (3½ IF) tool joints, offering a theoretical tube-body tensile yield of about 488,825 lb and torsional yield near 33,393 ft-lb. Available for rental worldwide, inspected and serialized.
Dimensional data
| Nominal OD | 3.500 in (88.9 mm) |
|---|---|
| Nominal weight | 13.3 lb/ft |
| Wall thickness | 0.368 in |
| Inside diameter (ID) | 2.764 in (70.2 mm) |
| Grade | S-135 (min yield 135,000 psi) |
| Tool joint | NC38 (3½ IF) |
| Range | Range 2 |
Tube-body performance
| Cross-sectional area | 3.621 in² |
|---|---|
| Tube-body tensile yield | 488,825 lb |
| Tube-body torsional yield | 33,393 ft-lb |
| Internal capacity | 0.0074 bbl/ft |
| Steel displacement | 0.0035 bbl/ft |
Performance figures are theoretical tube-body values computed from nominal geometry and minimum
yield strength. Actual ratings depend on wear class, connection and service conditions.
Other grades in 3½"
FAQ
3½" S-135 drill pipe
What is the tensile yield of 3½" S-135 drill pipe?
The theoretical tube-body tensile yield of 3½" 13.3 lb/ft S-135 drill pipe is approximately 488,825 lb, based on a cross-sectional area of 3.621 in² and a minimum yield strength of 135,000 psi. Verify against API RP 7G-2 and mill certificates for your string.
What connection does 3½" S-135 drill pipe use?
Our rental 3½" S-135 drill pipe is typically supplied with NC38 (3½ IF) tool joints, though premium connections can be provided on request.
Can I rent 3½" S-135 drill pipe?
Yes. Drillstrings rents inspected, serialized 3½" S-135 drill pipe worldwide. Send your footage, connection and rig location for a quote within the hour.