Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161232 | Lift valve with bellow hydraulic protection and chatter reduction | Zlatko Salihbegovic | 2018-12-25 |
| 6740141 | Method for removing H2S and CO2 from above ground hydrocarbon streams | Douglas Espin, Mariela Araujo, Kenneth J. Klabunde, Shawn Decker, Slawomir Winecki | 2004-05-25 |
| 6607036 | Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone | Luis Genolet, Douglas Espin, Juan Chavez | 2003-08-19 |
| 6579572 | Water-based system for altering wettability of porous media | Douglas Espin, Juan Chavez, Mariela Araujo, Yani Carolina Araujo, Luis Genolet | 2003-06-17 |
| 6513592 | Method for consolidation of sand formations using nanoparticles | Douglas Espin, Juan Chavez | 2003-02-04 |
| 6481501 | Method and apparatus for drilling and completing a well | Juan Chavez, Douglas Espin, Luis Genolet, Maria Alejandra Jimenez | 2002-11-19 |
| 6447577 | Method for removing H2S and CO2 from crude and gas streams | Douglas Espin, Mariela Araujo | 2002-09-10 |
| 6360823 | Apparatus and method for performing downhole measurements | Jose Zapico, Douglas Espin, Mariela Araujo | 2002-03-26 |
| 6182756 | Method and apparatus for optimizing production from a gas lift well | Gonzalo Garcia | 2001-02-06 |
| 5708272 | Apparatus for determining a parameter of a substance, especially a hydrocarbon | Pedro Felipe Tovar, Adriano Filadelfo Parisi | 1998-01-13 |
| 5572030 | Method for determining parameter of hydrocarbon | Fernando Arroyo, Adriano Filadelfo Parisi, Hernan Prieto | 1996-11-05 |