Inventor
BERZIN VEL
US16 patents
⚠️ This page may combine multiple inventors who share the name “BERZIN VEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
13 patentsUS7392841B2Jul 1, 2008
Self boosting packing element
BAKER HUGHES INC82 citations98
US7552777B2Jun 30, 2009
Self-energized downhole tool
BAKER HUGHES INC100 citations97
US7441596B2Oct 28, 2008
Swelling element packer and installation method
BAKER HUGHES INC104 citations96
US4962812AOct 16, 1990
Valving system for inflatable packers
BAKER HUGHES INC31 citations92
US4941534AJul 17, 1990
Method and apparatus for sealing a casing in a subterranean well bore
BAKER HUGHES INC40 citations92
US4840231AJun 20, 1989
Method and apparatus for setting an inflatable packer
BAKER HUGHES INC46 citations92
US7806193B2Oct 5, 2010
Swellable packer with back-up systems
BAKER HUGHES INC25 citations90
US5201369AApr 13, 1993
Reinflatable external casing packer
BAKER HUGHES INC22 citations90
US7661471B2Feb 16, 2010
Self energized backup system for packer sealing elements
BAKER HUGHES INC18 citations84
US5271462ADec 21, 1993
Zone isolation apparatus
BAKER HUGHES INC20 citations82
US7478679B2Jan 20, 2009
Field assembled packer
BAKER HUGHES INC16 citations81
US5366020ANov 22, 1994
Reinflatable external casting packer and method of casing
BAKER HUGHES INC9 citations71
US5109926AMay 5, 1992
Wellbore packer with shearable anti-rotation locking member
BAKER HUGHES INC20 citations69