Issued Patents All Time
Showing 51–75 of 121 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686080 | Acid-generating fluid loss control additives and associated methods | David E. McMechan | 2010-03-30 |
| 7677315 | Degradable surfactants and methods for use | Rajesh Kumar Saini, Michael N. Mang | 2010-03-16 |
| 7661481 | Downhole wellbore tools having deteriorable and water-swellable components thereof and methods of use | Trinidad Munoz | 2010-02-16 |
| RE41118 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +8 more | 2010-02-16 |
| 7662756 | Methods for effecting controlled break in pH dependent foamed fracturing fluid | Thomas D. Welton, David E. McMechan | 2010-02-16 |
| 7640985 | Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores | Mark R. Savery, Ashok Santra | 2010-01-05 |
| 7637319 | Kickoff plugs comprising a self-degrading cement in subterranean well bores | Mark R. Savery, Ashok Santra | 2009-12-29 |
| 7632786 | Methods and fluid compositions for depositing and removing filter cake in a well bore | — | 2009-12-15 |
| 7624743 | Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup | Diptabhas Sarkar, Stephen T. Arrington, Ronald J. Powell, Ian D. Robb | 2009-12-01 |
| 7598208 | Filter cake degradation compositions and methods of use in subterranean operations | — | 2009-10-06 |
| 7595280 | Delayed tackifying compositions and associated methods involving controlling particulate migration | Thomas D. Welton, David E. McMechan | 2009-09-29 |
| 7506689 | Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations | Jim B. Surjaatmadja | 2009-03-24 |
| 7497258 | Methods of isolating zones in subterranean formations using self-degrading cement compositions | Mark R. Savery, Ashok Santra | 2009-03-03 |
| 7484564 | Delayed tackifying compositions and associated methods involving controlling particulate migration | Thomas D. Welton, David E. McMechan | 2009-02-03 |
| 7462581 | Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control | Trinidad Munoz | 2008-12-09 |
| 7461697 | Methods of modifying particulate surfaces to affect acidic sites thereon | Keith A. Frost, Jimmie D. Weaver, Bessie Q. Citrowske | 2008-12-09 |
| 7431088 | Methods of controlled acidization in a wellbore | Alan W. Moorehead, William Walter Shumway | 2008-10-07 |
| 7404437 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +7 more | 2008-07-29 |
| 7363986 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +10 more | 2008-04-29 |
| 7353879 | Biodegradable downhole tools | Phillip M. Starr, Loren Swor, Kenneth L. Schwendemann, Trinidad Munoz | 2008-04-08 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations | Mark R. Savery | 2008-04-08 |
| 7320367 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Ralph H. Echols, Gary P. Funkhouser, William David Henderson, Marion D. Kilgore +2 more | 2008-01-22 |
| 7306040 | Stimuli-degradable gels | Ian D. Robb, Rajesh Kumar Saini, Diptabhas Sarkar, James Martin Griffin | 2007-12-11 |
| 7299882 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Gary P. Funkhouser, John C. Gano, Jody R. McGlothen +4 more | 2007-11-27 |
| 7299877 | Methods for effecting controlled break in pH dependent foamed fracturing fluid | Thomas D. Welton, David E. McMechan | 2007-11-27 |