Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951599 | Determining surface wetting of metal with changing well fluids | Sairam KS Pindiprolu, Venkata Gopala Rao Palla | 2018-04-24 |
| 9702799 | Static gel strength testing | Drew Henry Gaugler, Ronnie Glen Morgan, Sairam Pindiprolu | 2017-07-11 |
| 9506904 | Device for measuring the amount of free fluid in a colloid in a horizontal position | Michael W. Schwartz, Benjamin John Iverson | 2016-11-29 |
| 9200491 | Determining surface wetting of metal with changing well fluids | Sairam KS Pindiprolu, Venkata Gopala Rao Palla | 2015-12-01 |
| 8766641 | Determining surface wetting of rock with changing well fluids | Sairam KS Pindiprolu, Venkata Gopala Rao Palla | 2014-07-01 |
| 8601882 | In situ testing of mechanical properties of cementitious materials | Joseph K. Maxson, James F. Heathman, Sairam Pindiprolu, Flint R. George, Melissa Allin +1 more | 2013-12-10 |
| 8347693 | Apparatus and methods for continuous compatibility testing of subterranean fluids and their compositions under wellbore conditions | Sairam Pindiprolu, Christopher L. Gordon, Balasundaram Balaraman | 2013-01-08 |
| 7621186 | Testing mechanical properties | James F. Heathman, Joe Kleber Maxson | 2009-11-24 |
| 7296927 | Laboratory apparatus and method for evaluating cement performance for a wellbore | B. Raghava Reddy, Johnny W. Johnson, Anthony Palmer, Keith Edward Blaschke, Lance E. Brothers | 2007-11-20 |
| 7285166 | Zeolite-containing cement composition | Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten +3 more | 2007-10-23 |
| 7255170 | Foamed cement compositions, additives, and associated methods | Jiten Chatterji, D. Chad Brenneis, Bobby J. King, Roger S. Cromwell | 2007-08-14 |
| 7244303 | Set retarder compositions, cement compositions, and associated methods | Jiten Chatterji, James F. Heathman, Bryan K. Waugh | 2007-07-17 |
| 7143827 | Well completion spacer fluids containing fibers and methods | Jiten Chatterji, Bobby J. King, John L. Dennis, Jr. | 2006-12-05 |
| 7128142 | Apparatus and methods for improved fluid displacement in subterranean formations | James F. Heathman, Sears T. Dealy, James H. Cantrell | 2006-10-31 |
| 7128149 | Apparatus and methods for improved fluid displacement in subterranean formations | James F. Heathman, Sears T. Dealy, James H. Cantrell | 2006-10-31 |
| 7013975 | Foamed cement slurries, additives and methods | Jiten Chatterji, D. Chad Brenneis, Bobby J. King, Roger S. Cromwell | 2006-03-21 |
| 7008477 | Foamed cement slurries, additives and methods | Jiten Chatterji, Bobby J. King, Roger S. Cronwell, D. Chad Brenneis | 2006-03-07 |
| 7004256 | Set retarder compositions, cement compositions, and associated methods | Jiten Chatterji, James F. Heathman, Bryan K. Waugh | 2006-02-28 |
| 6978835 | Methods of cementing in subterranean formations | B. Raghava Reddy, Bryan K. Waugh, Jan Pieter Vijn | 2005-12-27 |
| 6964302 | Zeolite-containing cement composition | Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten +3 more | 2005-11-15 |
| 6951249 | Foamed cement slurries, additives and methods | Jiten Chatterji, Bobby J. King, Roger S. Cronwell, D. Chad Brenneis | 2005-10-04 |
| 6843846 | Methods and compositions for cementing subterranean zones | Jiten Chatterji, D. Chad Brenneis, Krista L. Keener | 2005-01-18 |
| 6829922 | Evaluating foamed cement under pressure and temperature | Ronald J. Patin, James H. Cantrell, D. Chad Brenneis, Garland W. Davis, Wendell D. Riley | 2004-12-14 |
| 6797054 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Roger S. Cromwell, Chad Brenneis, Bobby J. King, Frank Zamora | 2004-09-28 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, D. Chad Brenneis, Ronald J. Crook +5 more | 2004-07-27 |