Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9033042 | Forming bitumen barriers in subsurface hydrocarbon formations | John Michael Karanikas, Gary L. Beer, Marian Marino, Augustinus Wilhelmus Maria Roes, Robert Charles Ryan +1 more | 2015-05-19 |
| 8327932 | Recovering energy from a subsurface formation | John Michael Karanikas, Richard Pollard | 2012-12-11 |
| 7320951 | Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains | Michele Scott Albrecht, Kenneth M. Cowan, Eric van Oort, Ronald Lee Rock | 2008-01-22 |
| 6925392 | Method for measuring fluid chemistry in drilling and production operations | Sabine C. Zeilinger, James W. Nicholson | 2005-08-02 |