Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182939 | Method for determination of average downhole steam quality by measuring the slip ratio between the vapor and liquid phases of steam | Sze-Foo Chien | 1993-02-02 |
| 4321966 | High vertical conformance steam drive oil recovery method | Albert D. Deibert | 1982-03-30 |