Inventor
HAMSHAR JOHN A
US9 patents
⚠️ This page may combine multiple inventors who share the name “HAMSHAR JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCCIDENTAL PETROLEUM CANADA
8 patentsUS5316664AMay 31, 1994
Process for recovery of hydrocarbons and rejection of sand
OCCIDENTAL PETROLEUM CANADA401 citations98
US4983319AJan 8, 1991
Preparation of low-viscosity improved stable crude oil transport emulsions
OCCIDENTAL PETROLEUM CANADA349 citations98
US5083613AJan 28, 1992
Process for producing bitumen
OCCIDENTAL PETROLEUM CANADA120 citations97
US5283001AFeb 1, 1994
Process for preparing a water continuous emulsion from heavy crude fraction
OCCIDENTAL PETROLEUM CANADA100 citations95
US5110443AMay 5, 1992
Converting heavy hydrocarbons into lighter hydrocarbons using ultrasonic reactor
OCCIDENTAL PETROLEUM CANADA91 citations95
US4966235AOct 30, 1990
In situ application of high temperature resistant surfactants to produce water continuous emulsions for improved crude recovery
OCCIDENTAL PETROLEUM CANADA62 citations95
US4978365ADec 18, 1990
Preparation of improved stable crude oil transport emulsions
OCCIDENTAL PETROLEUM CANADA24 citations91
US5263848ANov 23, 1993
Preparation of oil-in-aqueous phase emulsion and removing contaminants by burning
OCCIDENTAL PETROLEUM CANADA19 citations73