Inventor
RESTAU BRYAN JAMES
CA4 patents
Patents
4 patentsUS6244361B1Jun 12, 2001
Steerable rotary drilling device and directional drilling method
HALLIBURTON ENERGY SERV INC300 citations97
US7306058B2Dec 11, 2007
Anti-rotation device for a steerable rotary drilling device
HALLIBURTON ENERGY SERV INC29 citations91
US7188689B2Mar 13, 2007
Variable gauge drilling apparatus and method of assembly therefor
HALLIBURTON ENERGY SERV INC28 citations90
US6340063B1Jan 22, 2002
Steerable rotary directional drilling method
HALLIBURTON ENERGY SERV INC35 citations90