Dennis, Jr.; John L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dennis, Jr.; John L..The latest application filed is for "methods of using lost circulation compositions".
- Dennis, Jr.; John L. - Marlow OK
| Patent | Date |
|---|---|
| Methods of using lost circulation compositions Grant 8,132,623 - Allin , et al. March 13, 2 | 2012-03-13 |
| Lost circulation compositions Grant 7,776,797 - Allin , et al. August 17, 2 | 2010-08-17 |
| Method to control the physical interface between two or more fluids Grant 7,740,067 - Bour , et al. June 22, 2 | 2010-06-22 |
| Set-on demand, ester-based wellbore fluids and methods of using the same Grant 7,259,130 - Griffith , et al. August 21, 2 | 2007-08-21 |
| Methods of generating gas in well fluids Grant 7,156,175 - Reddy , et al. January 2, 2 | 2007-01-02 |
| Well completion spacer fluids containing fibers and methods Grant 7,143,827 - Chatterji , et al. December 5, 2 | 2006-12-05 |
| Reverse circulation cementing process Grant 7,013,971 - Griffith , et al. March 21, 2 | 2006-03-21 |
| Methods and oil-based settable spotting fluid compositions for cementing wells Grant 6,716,282 - Griffith , et al. April 6, 2 | 2004-04-06 |
| Methods of generating gas in well fluids Grant 6,715,553 - Reddy , et al. April 6, 2 | 2004-04-06 |
| Methods and oil-based settable spotting fluid compositions for cementing wells Grant 6,668,929 - Griffith , et al. December 30, 2 | 2003-12-30 |
| Methods and oil-based settable drilling fluid compositions for drilling and cementing wells Grant 6,666,268 - Griffith , et al. December 23, 2 | 2003-12-23 |
| Methods and apparatus for forming metal casings in well bores Grant 6,523,610 - Griffith , et al. February 25, 2 | 2003-02-25 |
| Oil-based settable spotting fluid Grant 6,524,384 - Griffith , et al. February 25, 2 | 2003-02-25 |
| Sealing subterranean zones Grant 6,503,870 - Griffith , et al. January 7, 2 | 2003-01-07 |
| Apparatus and method for foaming fluids and for testing foamed fluids Grant 6,484,568 - Griffith , et al. November 26, 2 | 2002-11-26 |
| Sealing subterranean zones Grant 6,448,206 - Griffith , et al. September 10, 2 | 2002-09-10 |
| Sealing subterranean zones Grant 6,328,106 - Griffith , et al. December 11, 2 | 2001-12-11 |
| Oil-based settable spotting fluid Grant 6,315,042 - Griffith , et al. November 13, 2 | 2001-11-13 |
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