Friction on PDC Cutters at High Normal Stress

[+] Author and Article Information
John R. Smith

Department of Petroleum Engineering, Louisiana State University, Baton Rouge, LA 70803-6417e-mail: jsmith5@lsu.edu

Jeffrey B. Lund

Hughes Christensen Company, The Woodlands, TX 77380-1130e-mail: jeff.lund@hugheschris.com

Robert K. Galloway

U. S. Synthetic Corp., Orem, UT 84058e-mail: rgalloway@ussynthetic.com

J. Energy Resour. Technol 124(3), 146-153 (Aug 06, 2002) (8 pages) doi:10.1115/1.1485745 History: Received March 26, 1999; Revised April 16, 2002; Online August 06, 2002
Copyright © 2002 by ASME
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Conceptual force balance on PDC cutter
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Conceptual design of direct shear test device
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Actual direct shear test device installed in load frame
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Lower blocks with matrix, polished PDC, and standard PDC surfaces
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Example direct shear friction test with Catoosa shale
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Dynamic friction coefficient on PDC cutters
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Catoosa shale sample after a direct shear friction test on a PDC cutter




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