AR240659A1
(en )
1990-08-31
Apparatus for the recovery of oil or refining products from their sludge
SG74790G
(en )
1990-11-23
Apparatus for separating oilfield emulsions
EP0416905A3
(en )
1991-04-03
Method of removing sludge from lubricating oils
EP0416908A3
(en )
1991-04-10
Filter system for rejuvenating lubricating oils
DE3568059D1
(en )
1989-03-09
Method for desalting crude oil
ZA885921B
(en )
1989-04-26
Process for the hydrogenation of hydrocarbon oils
ZA834193B
(en )
1984-03-28
Method for enhanced oil recovery
EP0272038A3
(en )
1989-08-16
Method for hydrocracking heavy fraction oils
EP0285233A3
(en )
1990-08-08
Method for hydrocracking heavy fraction oil
AU1552988A
(en )
1989-01-12
Extraction of oil from stable oil-water emulsions
EP0325486A3
(en )
1990-02-07
Method of removing mercury from hydrocarbon oils
GB8304423D0
(en )
1983-03-23
Oil recovery method
GB2104132B
(en )
1984-11-21
Process for extracting mineral oil
ZA918022B
(en )
1992-07-29
Process for the partial oxidation of bituminous oil emulsions
YU21983A
(en )
1985-10-31
Process for obtaining hydrocarbons from oil shales
EP0333141A3
(en )
1990-09-19
Process for the separation of mineral oil emulsions of the type water-in-oil
DE3563855D1
(en )
1988-08-25
A method for the hydrogenation treatment of a heavy hydrocarbon oil
DE3571457D1
(en )
1989-08-17
Method for dewaxing hydrocarbon oil
GB2222420B
(en )
1992-09-09
Process for enhancing oil recovery
GB8730129D0
(en )
1988-02-03
Method of desulphuration of heavy oil residues
PL244370A1
(en )
1985-05-07
Apparatus for removing oil from water-oil mixtures
PL267944A1
(en )
1989-04-03
Method for recovering oils from used oil emulsions
GB8703492D0
(en )
1987-03-18
De-emulsifying crude oil
DE3474458D1
(en )
1988-11-10
A method for the hydrogenation treatment of heavy oils
DE68908493D1
(en )
1993-09-23
METHOD FOR REFINING OILS.