Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607036 | Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone | Aaron Ranson, Douglas Espin, Juan Chavez | 2003-08-19 |
| 6579572 | Water-based system for altering wettability of porous media | Douglas Espin, Aaron Ranson, Juan Chavez, Mariela Araujo, Yani Carolina Araujo | 2003-06-17 |
| 6579832 | Method for treating drilling fluid using nanoparticles | Maria Alejandra Jimenez, Juan Chavez, Douglas Espin | 2003-06-17 |
| 6554070 | Composition and method for sealing an annular space between a well bore and a casing | Juan Chavez, Douglas Espin, Marie Alejandra Jimenez | 2003-04-29 |