Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727937 | Steamflood process employing horizontal and vertical wells | Yick-Mow Shum, Alfred Brown | 1988-03-01 |
| 4718485 | Patterns having horizontal and vertical wells | Alfred Brown, Marc Fontaine | 1988-01-12 |
| 4702314 | Patterns of horizontal and vertical wells for improving oil recovery efficiency | Wann-Sheng Huang | 1987-10-27 |
| 4700779 | Parallel horizontal wells | Wann-Sheng Huang | 1987-10-20 |
| 4685515 | Modified 7 spot patterns of horizontal and vertical wells for improving oil recovery efficiency | Wann-Sheng Huang | 1987-08-11 |
| 4682652 | Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells | Wann-Sheng Huang | 1987-07-28 |
| 4662441 | Horizontal wells at corners of vertical well patterns for improving oil recovery efficiency | Wann-Sheng Huang | 1987-05-05 |
| 4646824 | Patterns of horizontal and vertical wells for improving oil recovery efficiency | Wann-Sheng Huang | 1987-03-03 |
| 4645003 | Patterns of horizontal and vertical wells for improving oil recovery efficiency | Wann-Sheng Huang | 1987-02-24 |
| 4637461 | Patterns of vertical and horizontal wells for improving oil recovery efficiency | — | 1987-01-20 |