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API 5DP Drill Pipe String Weight Calculator
Estimate nominal and total air weight of a drill pipe string by size, grade and length.
Nominal weight19.50 lb/ft
String length9,000 ft
Tool joint connectionNC50
Min yield strength135 ksi / 931 MPa
Total air weight175,500 lb
Metric79.6 t
Air weight = nominal weight × length. Buoyed (mud) weight and tool-joint adjustment are applied in a full string design — request a program calculation for exact hook-load figures.
