Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950481 | Methods of cleaning wellbores and analyzing wellbore fluids | Eugene Dakin, Hui Zhang | 2015-02-10 |
| 8697611 | High density brines for use in wellbore fluids | Hui Zhang, Robert L. Horton, Mary L. K. Dimataris | 2014-04-15 |
| 8664165 | Fluid loss pills | Robert L. Horton | 2014-03-04 |
| 8465984 | Method of detecting an emulsion in brine | Marc A. Churan | 2013-06-18 |
| 8387696 | Delayed breaker | Raul Navarro, Mark Luyster, Andrew G. K. Jones, LaTosha Moore | 2013-03-05 |
| 8361804 | Method and composition for determining hardness in wellbore fluid filtrate | Robert L. Horton | 2013-01-29 |
| 8163676 | Emulsifier blend | Eugene Dakin, Hui Zhang | 2012-04-24 |
| 8071512 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Robert L. Horton | 2011-12-06 |
| 8067343 | Methods and compositions for preventing high density well completion fluid loss | Robert L. Horton | 2011-11-29 |
| 8017563 | Diverting compositions, fluid loss control pills, and breakers thereof | Michael A. Freeman, Robert L. Horton | 2011-09-13 |
| 7829509 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Robert L. Horton | 2010-11-09 |
| 7517835 | Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid | Robert L. Horton, Frederick B. Growcock, David P. Kippie, John W. Vian, Kamila B. Abdur-Rahman +1 more | 2009-04-14 |
| 7157409 | Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid | Robert L. Horton, Frederick B. Growcock, David P. Kippie, John W. Vian, Kamila B. Abdur-Rahman +1 more | 2007-01-02 |
| 7152697 | Delayed phase changing agent for invert emulsion drilling fluid | Robert L. Horton, Frank E. Evans, Taylor Green, Mark Luyster, Steve Mason | 2006-12-26 |
| 7098172 | Prevention and treatment of lost circulation with crosslinked polymer material | Robert L. Horton, Frederick B. Growcock, John W. Vian, Catalin Ivan | 2006-08-29 |
| 6908886 | Annular fluids and method of emplacing the same | Andrew G. K. Jones, Robert L. Horton | 2005-06-21 |
| 5441109 | Enzyme breakers for breaking fracturing fluids and methods of making and use thereof | D. V. Satyanarayana Gupta, Richard D. Horn | 1995-08-15 |
| 5437331 | Method for fracturing subterranean formations using controlled release breakers and compositions useful therein | D. V. Satyanarayana Gupta | 1995-08-01 |