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Chapter 6: Direct Circulation Models 6-33
Unfavorable Mud Rate and Optimum Air Injection Rate for Aerated Mud
Drilling,” SPE Paper 26892, Presented at the SPE Eastern Regional Conference
and Exhibition, Pittsburgh, Pennsylvania, November 2-4,1993.
9. Beyer, A. H., Millhone, R. S., and Foote, R. W., “Flow Behavior of Foam as a
Well Circulating Fluid”, SPE Paper 3986, Presented at the SPE 47th Annual Fall
Meeting, San Antonio, Texas, October 8-11, 1972.
