| 6405799 |
Process for in SITU upgrading of heavy hydrocarbon |
Carlos Vallejos, Tito Vasquez, Gerson Siachoque |
2002-06-18 |
| 6384091 |
Emulsion with coke additive in hydrocarbon phase and process for preparing same |
Nilia C Romero, Gustavo Nunez |
2002-05-07 |
| 6069178 |
Emulsion with coke additive in hydrocarbon phase and process for preparing same |
Nilia C Romero, Gustavo Nunez |
2000-05-30 |
| 5964906 |
Emulsion with solid additive in hydrocarbon phase and process for preparing same |
Nilia C Romero, Gustavo Nunez |
1999-10-12 |
| 5677267 |
Thixotropic fluid for well insulation |
Simon Suarez, Carlos Rios, Jose Gregorio Tovar |
1997-10-14 |
| 4994090 |
Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion |
Domingo Rodriguez, Euler G. Jimenez, Jose P. Salazar, Hercilio Rivas |
1991-02-19 |
| 4915819 |
Treatment of viscous crude oils |
Maria L. Chirinos, Jorge Luis Grosso, Alan Stockwell |
1990-04-10 |
| 4834775 |
Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion |
Domingo Rodriguez, Euler G. Jimenez, Jose P. Salazar, Hercilio Rivas |
1989-05-30 |
| 4806231 |
Method for desalting crude oil |
Maria L. Chirinos, David E. Graham, Alan Stockwell |
1989-02-21 |
| 4801304 |
Process for the production and burning of a natural-emulsified liquid fuel |
Domingo R. Polanco, Hercilio Rivas, G. Euler Jimenez, Lirio Q. de Paz, Jose P. Salazar +3 more |
1989-01-31 |
| 4781819 |
Treatment of viscous crude oils |
Maria L. Chirinos, Jorge Luis Grosso, Alan Stockwell |
1988-11-01 |
| 4521277 |
Apparatus for upgrading heavy hydrocarbons employing a diluent |
Jose L. Calderon |
1985-06-04 |
| 4455221 |
Process for upgrading heavy hydrocarbons employing a diluent |
Jose L. Calderon |
1984-06-19 |