Inventor
WYANT REECE E
US13 patents
Patents
13 patentsUS6557640B1May 6, 2003
Lubrication and self-cleaning system for expansion mandrel
SHELL OIL CO146 citations99
US5213160AMay 25, 1993
Method for conversion of oil-base mud to oil mud-cement
SHELL OIL CO163 citations99
US5476144ADec 19, 1995
Conversion of oil-base mud to oil mud-cement
SHELL OIL CO107 citations98
US5382290AJan 17, 1995
Conversion of oil-base mud to oil mud-cement
SHELL OIL CO137 citations98
US5226961AJul 13, 1993
High temperature wellbore cement slurry
SHELL OIL CO345 citations97
US7108072B2Sep 19, 2006
Lubrication and self-cleaning system for expansion mandrel
SHELL OIL CO38 citations96
US7048067B1May 23, 2006
Wellbore casing repair
SHELL OIL CO53 citations93
US5488991AFeb 6, 1996
Alumina wellbore cement composition
SHELL OIL CO52 citations93
US5333690AAug 2, 1994
Cementing with blast furnace slag using spacer
SHELL OIL CO21 citations92
US5330006AJul 19, 1994
Oil mud displacement with blast furnace slag/surfactant
SHELL OIL CO33 citations92
US5316083AMay 31, 1994
Blast furnace slag spacer
SHELL OIL CO51 citations92
US5309997AMay 10, 1994
Well fluid for in-situ borehole repair
SHELL OIL CO23 citations92
US5335725AAug 9, 1994
Wellbore cementing method
SHELL OIL CO3 citations62