Inventor
SCHNELL DAVID M
US4 patents
Patents
4 patentsUS6009963AJan 4, 2000
Superabrasive cutting element with enhanced stiffness, thermal conductivity and cutting efficiency
BAKER HUGHES INC184 citations96
US5765653AJun 16, 1998
Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter
BAKER HUGHES INC141 citations96
US6116356ASep 12, 2000
Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter
BAKER HUGHES INC58 citations94
US6397958B1Jun 4, 2002
Reaming apparatus and method with ability to drill out cement and float equipment in casing
BAKER HUGHES INC51 citations89