RESEARCH PAPERS: Emerging Energy Technology/Drilling/Manufacturing

Cavitating and Structured Jets for Mechanical Bits to Increase Drilling Rate—Part II: Experimental Results

[+] Author and Article Information
V. E. Johnson, G. L. Chahine, W. T. Lindenmuth, A. F. Conn, G. S. Frederick

Tracor Hydronautics, Inc. Laurel, Md. 20707

G. J. Giacchino

NL Hycalog/NL Industries, Inc., Houston, Tex. 77205

J. Energy Resour. Technol 106(2), 289-294 (Jun 01, 1984) (6 pages) doi:10.1115/1.3231054 History: Received July 01, 1982; Revised December 09, 1983; Online October 22, 2009


Analyses of self-excited, resonating jets have been corroborated by laboratory experiments. These structured jets achieved cavitation at greater ambient pressures and showed enhanced erosivity in comparison to the nonstructured jets from conventional drill bit nozzles.

Copyright © 1984 by ASME
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