Page 225 - Air and Gas Drilling Manual
P. 225

Chapter 5: Shallow Well Drilling Applications    5-67












































                               Figure 5-18: Minimum volumetric flow rate of  air at API standard  conditions  for reverse
                               circulation  operations.   Limited  to  solids  weight  rates  of  flow    from  2.0  lb/sec  to  3.0
                               lb/sec.
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