Inventor
PALASCHENKO YURI A
US3 patents
Patents
3 patentsUS6725947B2Apr 27, 2004
Roller bits with bearing failure indication, and related methods, systems, and methods of manufacturing
HALLIBURTON ENERGY SERV INC29 citations89
US6631772B2Oct 14, 2003
Roller bit rearing wear detection system and method
HALLIBURTON ENERGY SERV INC30 citations88
US6634441B2Oct 21, 2003
System and method for detecting roller bit bearing wear through cessation of roller element rotation
HALLIBURTON ENERGY SERV INC16 citations79