Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809738 | Microbial-enhanced well cementing and remediation | Duane Brownlee | 2017-11-07 |
| 7544640 | Zeolite-containing treating fluid | Sears T. Dealy | 2009-06-09 |
| 7544642 | Zeolite-containing remedial compositions | Russell M. Fitzgerald, Frank Zamora | 2009-06-09 |
| 7448450 | Drilling and cementing with fluids containing zeolite | Russell M. Fitzgerald, Frank Zamora | 2008-11-11 |
| 7338925 | Zeolite compositions having enhanced compressive strength | Ashok Santra | 2008-03-04 |
| 7332026 | Cementitious compositions containing interground cement clinker and zeolite | Glen C. Fyten, Keith A. Rispler | 2008-02-19 |
| 7326291 | Cementitious compositions containing interground cement clinker and zeolite | Glen C. Fyten, Keith A. Rispler | 2008-02-05 |
| 7303015 | Cementitious compositions containing interground cement clinker and zeolite | Glen C. Fyten, Keith A. Rispler | 2007-12-04 |
| 7297664 | Cement-free zeolite and fly ash settable fluids and methods therefor | Ashok Santra, B. Raghava Reddy | 2007-11-20 |
| 7296626 | Liquid additive for reducing water-soluble chromate | Roger S. Cromwell | 2007-11-20 |
| 7285164 | Fluid loss additives for cement slurries | Russell M. Fitzgerald, Robert S. Taylor, Keith A. Rispler, Glen C. Fyten | 2007-10-23 |
| 7285166 | Zeolite-containing cement composition | B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten, Keith A. Rispler +3 more | 2007-10-23 |
| 7228905 | Zeolite compositions having enhanced compressive strength | Ashok Santra | 2007-06-12 |
| 7219733 | Zeolite compositions for lowering maximum cementing temperature | Russell M. Fitzgerald, Frank Zamora, Joe M. Sandy | 2007-05-22 |
| 7182137 | Cementitious compositions containing interground cement clinker and zeolite | Glen C. Fyten, Keith A. Rispler | 2007-02-27 |
| 7156175 | Methods of generating gas in well fluids | B. Raghava Reddy, Krishna M. Ravi, James E. Griffith, Frank Zamora, John L. Dennis, Jr. +1 more | 2007-01-02 |
| 7150321 | Zeolite-containing settable spotting fluids | Russell M. Fitzgerald, Frank Zamora, Ashok Santra | 2006-12-19 |
| 7147067 | Zeolite-containing drilling fluids | Donald Getzlaf, Russell M. Fitzgerald | 2006-12-12 |
| 7140439 | Zeolite-containing remedial compositions | Russell M. Fitzgerald, Frank Zamora | 2006-11-28 |
| 7140440 | Fluid loss additives for cement slurries | Russell M. Fitzgerald, Robert S. Taylor, Keith A. Rispler, Glen C. Fyten | 2006-11-28 |
| 7048053 | Zeolite compositions having enhanced compressive strength | Ashok Santra | 2006-05-23 |
| 6992048 | Methods of generating gas in well treating fluids | B. Raghava Reddy, Krishna M. Ravi, Rickey L. Morgan | 2006-01-31 |
| 6989057 | Zeolite-containing cement composition | Donald Getzlaf, Keith A. Rispler, Russell M. Fitzgerald, Glen C. Fyten | 2006-01-24 |
| 6964302 | Zeolite-containing cement composition | B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten, Keith A. Rispler +3 more | 2005-11-15 |
| 6858566 | Methods of generating gas in and foaming well cement compositions | B. Raghava Reddy, Bryan K. Waugh, Roger S. Cromwell | 2005-02-22 |