Inventor
SCHIEVELBEIN VERNON H
US24 patents
Patents
24 patentsUS6007702ADec 28, 1999
Process for removing water from heavy crude oil
TEXACO INC23 citations92
US5033547AJul 23, 1991
Method for decreasing mobility of dense carbon dioxide in subterranean formations
TEXACO INC42 citations92
US4464268AAug 7, 1984
Method for restoring permeability of injection wells
TEXACO INC47 citations92
US4637466AJan 20, 1987
Method of improving conformance in steam floods with carboxylate steam foaming agents
TEXACO INC25 citations91
US5141536AAug 25, 1992
Glycol dehydration apparatus for natural gas
TEXACO INC23 citations86
US4165785AAug 28, 1979
Surfactant water flooding oil recovery process
TEXACO INC21 citations82
US4540050ASep 10, 1985
Method of improving conformance in steam floods with steam foaming agents
TEXACO INC23 citations81
US4460481AJul 17, 1984
Surfactant waterflooding enhanced oil recovery process
TEXACO INC20 citations74
US4318816AMar 9, 1982
Surfactant waterflooding enhanced oil recovery method using stabilized surfactant solution
TEXACO INC16 citations74
US4307782ADec 29, 1981
Surfactant waterflooding oil recovery method
TEXACO INC14 citations74
US4194564AMar 25, 1980
Oil recovery method
TEXACO INC11 citations74
US4192382AMar 11, 1980
High conformance enhanced oil recovery process
TEXACO INC9 citations74
US4184549AJan 22, 1980
High conformance oil recovery process
TEXACO INC14 citations74
US4161983AJul 24, 1979
High conformance oil recovery process
TEXACO INC9 citations74
US4793419ADec 27, 1988
Adding lignosulfonate to caustic floods to shift optimal salinity to a higher salinity
TEXACO INC8 citations73
US4518038AMay 21, 1985
Method of extracting and reutilizing surfactants from emulsions using sulfonated alkyl benzenes and ethoxylated phenols
TEXACO INC14 citations73
US4161218AJul 17, 1979
High conformance enhanced oil recovery process
TEXACO INC8 citations72
US4438002AMar 20, 1984
Surfactant flooding solution
TEXACO INC10 citations66
US4237018ADec 2, 1980
Surfactant flooding oil recovery process
TEXACO INC2 citations63
US4217957AAug 19, 1980
Oil recovery method
TEXACO INC2 citations63
US4194563AMar 25, 1980
High conformance enhanced oil recovery process
TEXACO INC4 citations63
US4187073AFeb 5, 1980
Surfactant flooding oil recovery process
TEXACO INC5 citations63
US4160480AJul 10, 1979
High conformance oil recovery process
TEXACO INC7 citations62
US4161982AJul 24, 1979
High conformance enhanced oil recovery process
TEXACO INC6 citations61