Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725054 | Enhancement of residual oil recovery using a mixture of nitrogen or methane diluted with carbon dioxide in a single-well injection process | Sara Shayegi, Philip A. Schenewerk | 1998-03-10 |
| 4884437 | Method and apparatus for measuring fluid-fluid interfacial rheological properties | W. David Constant, Vivian J. Cambridge | 1989-12-05 |