Inventor
DAHLEM JAMES S
US3 patents
Patents
3 patentsUS6536192B2Mar 25, 2003
Drill bit packages and methods
HALLIBURTON ENERGY SERV INC21 citations85
US7334652B2Feb 26, 2008
Roller cone drill bits with enhanced cutting elements and cutting structures
HALLIBURTON ENERGY SERV INC4 citations59
US7497281B2Mar 3, 2009
Roller cone drill bits with enhanced cutting elements and cutting structures
HALLIBURTON ENERGY SERV INC0 citations49