Drill bit having geometrically sharp inserts
作者： Bradley J. Head , Weiqi Yin , Yong Zhou
DOI:
关键词:
摘要: A drill bit configured for boring holes or wells into the earth, having a face and plurality of zones, geometrically sharp inserts located in an inner zone non-geometrically outer zone.
lens.org 参考文章(22)
Joe Fox, David R. Hall, Ronald B. Crockett, Thermally stable pointed diamond with increased impact resistance ,(2009)
Michael S. Damschen, Rudolf Carl Pessier, Hybrid drill bit with secondary backup cutters positioned with high side rake angles ,(2009)
Michael Allen Siracki, High offset bits with super-abrasive cutters ,(1998)
Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia, David P. Moran, Quan V. Nguyen, Steel tooth cutter element with expanded crest ,(2001)
Robert W. Arfele, James R. Ashby, Shilin Chen, System and method of improved depth of cut control of drilling tools ,(2011)
Dah-Ben Liang, Monte E. Russell, Madapusi K. Keshavan, Drill bit inserts enhanced with polycrystalline diamond ,(1994)
John D. Bailey, David R. Hall, Ronald B. Crockett, Pointed Diamond Working Ends on a Shear Bit ,(2007)
Juan Miguel Bilen, Nicholas J. Lyons, David Gavia, Rudolf Carl Pessier, Danny E. Scott, Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same ,(2011)
Shilin Chen, Ping C. Sui, Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals ,(2004)
Madapusi K. Keshavan, Gary R. Portwood, Per I. Nese, Nathan R. Anderson, J. Daniel Belnap, Chris E. Cawthorne, Michael A. Siracki, Ronald K. Eyre, Engineered enhanced inserts for rock drilling bits ,(2000)