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Introduction
Units of Measurement
Common Minerals and Metals
Useful Conversion Factors
Useful Formulas
Capacity Tables
Hole Capacity
Drill Pipe Capacity and Displacement
API Casing and Liner Capacity and Displacement
Annular Capacity
Annular Velocity
Single Salt Fluid Composition and Blending Tables
Ammonium Chloride Composition and Blending Tables
Potassium Chloride Composition and Blending Tables
Sodium Chloride Composition and Blending Tables
Sodium Formate Composition and Blending Tables
Potassium Formate Composition and Blending Tables
Sodium Bromide Composition and Blending Tables
Calcium Chloride Composition and Blending Tables
Calcium Bromide Composition and Blending Tables
Drill Pipe Capacity and Displacement
Blue Line
TABLE 17. API Drill Pipe Capacity and Displacement

API Drill Pipe Capacity and Displacement

Nominal
Size

Weight OD ID Capacity Capacity Pipe Disp
in lb/ft in in bbl/ft ft/bbl bbl/100 ft
2-3/8 6.65 2.375 1.815 0.0032 311.43 0.228
2-7/8 10.40 2.875 2.151 0.0045 221.73 0.353
3-1/2 9.50 3.500 2.992 0.0087 114.60 0.320
3-1/2 13.30 3.500 2.764 0.0074 134.29 0.448
3-1/2 15.50 3.500 2.602 0.0066 151.53 0.532
4 11.85 4.000 3.476 0.0118 84.91 0.381
4 14.00 4.000 3.340 0.0109 91.96 0.471
4-1/2 13.75 4.500 3.958 0.0153 65.49 0.445
4-1/2 16.60 4.500 3.826 0.0143 70.08 0.545
4-1/2 20.00 4.500 3.640 0.0129 77.43 0.680
5 16.25 5.000 4.408 0.0189 52.80 0.541
5 19.50 5.000 4.276 0.0178 56.11 0.652
5 25.60 5.000 4.000 0.0156 64.12 0.874
5-1/2 21.90 5.500 4.778 0.0223 44.94 0.721
5-1/2 24.70 5.500 4.670 0.0213 47.04 0.820


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