Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891424 | Methods of delivering material downhole | Prentice G. Creel, B. Raghava Reddy, Eldon D. Dalrymple, Ramzi I. Abdulkadir, James J. Venditto | 2011-02-22 |
| 7407009 | Methods of using cement compositions comprising phosphate compounds in subterranean formations | Ashok Santra, Bobby J. King | 2008-08-05 |
| 7073584 | Processes for incorporating inert gas in a cement composition containing spherical beads | B. Raghava Reddy, Frank Zamora | 2006-07-11 |
| 6887833 | Oil based compositions and method for temporarily sealing subterranean zones | Lance E. Brothers, Anthony Palmer | 2005-05-03 |
| 6793730 | Methods of cementing | B. Raghava Reddy, Russell M. Fitzgerald, Bryan K. Waugh | 2004-09-21 |
| 6793017 | Method and apparatus for transferring material in a wellbore | Philip D. Nguyen | 2004-09-21 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, D. Chad Brenneis, Dennis W. Gray +5 more | 2004-07-27 |
| 6762155 | Methods of removing water-based drilling fluids and compositions | Jiten Chatterji, Sears T. Dealy | 2004-07-13 |
| 6660080 | Particulate flow enhancing additives | Baireddy R. Reddy, Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald | 2003-12-09 |
| 6641660 | Stable well cementing methods and compositions | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Darrel C. Brenneis | 2003-11-04 |
| 6610139 | Methods of preparing particulate flow enhancing additives | Baireddy R. Reddy, Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald | 2003-08-26 |
| 6592660 | Methods and compositions for forming permeable cement sand screens in well bores | Philip D. Nguyen, Johnny Barton, David L. Brown | 2003-07-15 |
| 6561273 | Oil based compositions and method for temporarily sealing subterranean zones | Lance E. Brothers, Anthony Palmer | 2003-05-13 |
| 6554069 | Methods of removing water-based drilling fluids and compositions | Jiten Chatterji, Sears T. Dealy | 2003-04-29 |
| 6554071 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd, Steven B. Laramay | 2003-04-29 |
| 6527051 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd, Steven B. Laramay | 2003-03-04 |
| 6516884 | Stable well cementing methods and compositions | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Darrel C. Brenneis | 2003-02-11 |
| 6494951 | Cementing compositions using dry cementitious materials having improved flow properties | Baireddy R. Reddy, Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald | 2002-12-17 |
| 6478869 | Flow properties of dry cementitious materials | Baireddy R. Reddy, Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald | 2002-11-12 |
| 6478868 | Early-enhanced strength cement compositions and methods | Baireddy R. Reddy, Bryan K. Waugh, Russell M. Fitzgerald, Dennis W. Gray, Brent E. Traxel | 2002-11-12 |
| 6460632 | Methods of drilling well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Frank Zamora | 2002-10-08 |
| 6444316 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd, Steven B. Laramay | 2002-09-03 |
| 6390195 | Methods and compositions for forming permeable cement sand screens in well bores | Philip D. Nguyen, Johnny Barton, David L. Brown | 2002-05-21 |
| 6367549 | Methods and ultra-low density sealing compositions for sealing pipe in well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Dennis W. Gray, Frank Zamora | 2002-04-09 |
| 6308777 | Cementing wells with crack and shatter resistant cement | Jiten Chatterji, Roger S. Cromwell, Frank Zamora | 2001-10-30 |