Inventor
YEO JOSEPH C H
SG4 patents
Patents
4 patentsUS7373980B2May 20, 2008
Mono-trip cement thru completion
BAKER HUGHES INC17 citations88
US7069992B2Jul 4, 2006
Mono-trip cement thru completion
BAKER HUGHES INC24 citations88
US7464758B2Dec 16, 2008
Model HCCV hydrostatic closed circulation valve
BAKER HUGHES INC12 citations87
US7063152B2Jun 20, 2006
Model HCCV hydrostatic closed circulation valve
BAKER HUGHES INC34 citations87