Inventor
WU CHING H
14 patents
Patents
14 patentsUS4007785AFeb 15, 1977
Heated multiple solvent method for recovering viscous petroleum
TEXACO INC74 citations95
US3954141AMay 4, 1976
Multiple solvent heavy oil recovery method
TEXACO INC74 citations95
US4004636AJan 25, 1977
Combined multiple solvent and thermal heavy oil recovery
TEXACO INC69 citations94
US4175618ANov 27, 1979
High vertical and horizontal conformance thermal oil recovery process
TEXACO INC33 citations92
US4119149AOct 10, 1978
Recovering petroleum from subterranean formations
TEXACO INC31 citations92
US4068715AJan 17, 1978
Method for recovering viscous petroleum
TEXACO INC35 citations92
US3983939AOct 5, 1976
Method for recovering viscous petroleum
TEXACO INC44 citations92
US4166501ASep 4, 1979
High vertical conformance steam drive oil recovery method
TEXACO INC25 citations81
US4141415AFeb 27, 1979
Method of recovering hydrocarbons by improving the vertical conformance in heavy oil formations
TEXACO INC25 citations81
US4050513ASep 27, 1977
Method of treating a high temperature formation to permit the use therein of temperature sensitive hydrophilic, viscosity increasing polymers
TEXACO INC22 citations81
US3997004ADec 14, 1976
Method for recovering viscous petroleum
TEXACO INC26 citations81
US4207945AJun 17, 1980
Recovering petroleum from subterranean formations
TEXACO INC12 citations72
US3951210AApr 20, 1976
Sand control method employing asphaltenes
TEXACO INC8 citations72
US4046196ASep 6, 1977
Secondary oil recovery process
TEXACO INC6 citations56