Inventor
BRANCH ALTON
US4 patents
Patents
4 patentsUS7527104B2May 5, 2009
Selectively activated float equipment
HALLIBURTON ENERGY SERV INC51 citations93
US7533728B2May 19, 2009
Ball operated back pressure valve
HALLIBURTON ENERGY SERV INC20 citations89
US7644774B2Jan 12, 2010
Selectively activated float equipment
HALLIBURTON ENERGY SERV INC35 citations88
US7597146B2Oct 6, 2009
Methods and apparatus for completion of well bores
HALLIBURTON ENERGY SERV INC10 citations80