Apparatus for producing and recovering overbased petroleum sulfo
Apparatus for reclaiming fuel oil from waste oil
Apparatus for reclaiming used lubricating oils
Apparatus for reclaiming useful oil products from waste oil
Apparatus for removing solid and volatile contaminants
Apparatus for removing solid and volatile contaminants from liqu
Apparatus for treating tar sands emulsion
Apparatus for upgrading heavy hydrocarbons employing a diluent
Apparatus from waste oil for reclaiming a useful oil product
Asphalt blowing vessel
Conical screen structure
Control system for an MP refining unit receiving medium sweet ch
Control system for an N-methyl-2-pyrrolidone refining unit recei
Crude oil emulsion treating apparatus
Electrical heating apparatus for removing vaporizable impurities
Fractionation column for reclaiming used lubricating oil
Heater treater waste heat recovery system
In-line separator for crude oil
Method and apparatus for cleaning petroleum emulsion
Method and apparatus for removing bituminous oil from oil sands