Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063162 | Method for controlling fluid flow into an oil and/or gas production well | Roelof Daling, Vincent Sebastiaan Droppert, Johan Dirk Jansen, Arjen Michiel Wagenvoort, Duncan Ian Green-Armytage | 2006-06-20 |
| 6619402 | System for enhancing fluid flow in a well | Marc Emmanuel Amory, Roelof Daling, Robert Nicholas Worrall | 2003-09-16 |
| 5404952 | Heat injection process and apparatus | Harold J. Vinegar, Thomas Mikus, John Michael Karanikas, Eric Pierre de Rouffignac | 1995-04-11 |
| 5392854 | Oil recovery process | Harold J. Vinegar, Eric Pierre de Rouffignac, Thomas Mikus, Mark A. Beckemeier | 1995-02-28 |
| 5297626 | Oil recovery process | Harold J. Vinegar, Eric P. DeRouffignac, Thomas Mikus, Mark A. Beckemeier | 1994-03-29 |
| 5060726 | Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication | Harold J. Vinegar, John W. Gardner | 1991-10-29 |
| 5046559 | Method and apparatus for producing hydrocarbon bearing deposits in formations having shale layers | — | 1991-09-10 |
| 5042579 | Method and apparatus for producing tar sand deposits containing conductive layers | Harold J. Vinegar, John W. Gardner | 1991-08-27 |
| 4926941 | Method of producing tar sand deposits containing conductive layers | Harold J. Vinegar, Michael Prats | 1990-05-22 |
| 4667739 | Thermal drainage process for recovering hot water-swollen oil from a thick tar sand | Peter Van Meurs | 1987-05-26 |