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Drill pipe spec

4½" G-105 Drill Pipe

20 lb/ft · G-105 · NC46 (4 IF)

4½" G-105 drill pipe is a 20 lb/ft API 5DP tubular with a 0.43" wall and NC46 (4 IF) tool joints, offering a theoretical tube-body tensile yield of about 577,301 lb and torsional yield near 51,661 ft-lb. Available for rental worldwide, inspected and serialized.

Dimensional data

Nominal OD 4.500 in (114.3 mm)
Nominal weight 20 lb/ft
Wall thickness 0.43 in
Inside diameter (ID) 3.640 in (92.5 mm)
Grade G-105 (min yield 105,000 psi)
Tool joint NC46 (4 IF)
Range Range 2

Tube-body performance

Theoretical new-tube values — verify against API RP 7G-2 and mill certs
Cross-sectional area 5.498 in²
Tube-body tensile yield 577,301 lb
Tube-body torsional yield 51,661 ft-lb
Internal capacity 0.0129 bbl/ft
Steel displacement 0.0053 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 4½"

FAQ

4½" G-105 drill pipe

What is the tensile yield of 4½" G-105 drill pipe?
The theoretical tube-body tensile yield of 4½" 20 lb/ft G-105 drill pipe is approximately 577,301 lb, based on a cross-sectional area of 5.498 in² and a minimum yield strength of 105,000 psi. Verify against API RP 7G-2 and mill certificates for your string.
What connection does 4½" G-105 drill pipe use?
Our rental 4½" G-105 drill pipe is typically supplied with NC46 (4 IF) tool joints, though premium connections can be provided on request.
Can I rent 4½" G-105 drill pipe?
Yes. Drillstrings rents inspected, serialized 4½" G-105 drill pipe worldwide. Send your footage, connection and rig location for a quote within the hour.