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Table 2.1 Inner Equipment Diameter and Length for Typical Combinations
Combination 1 Combination 2 Combination 3 Combination 4
ID Length ID Length ID Length ID Length
Component in cm ft m in cm ft m in cm ft m in cm ft m
Standpipe 3 7.6 40 12.2 3.5 8.9 40 12.2 4 10.2 45 13.7 4 10.2 45 13.7
Rotary hose 2 5.1 45 13.7 2.5 6.4 55 16.8 3 7.6 55 16.8 3 7.6 55 16.8
Swivel 2 5.1 4 1.2 2.5 6.4 5 1.5 2.5 6.4 5 1.5 3 7.6 6 1.8
Kelly pipe 2.25 5.7 40 12.2 3.3 8.3 40 12.2 3.3 8.3 40 12.2 4 10.2 40 12.2