Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228122 | Methods and cement compositions utilizing treated polyolefin fibers | Jiten Chatterji, James Robert Benkley, Gregory Robert Hundt, Darrell Chad Brenneis | 2016-01-05 |
| 8132623 | Methods of using lost circulation compositions | Melissa Allin, Donald L. Whitfill | 2012-03-13 |
| 7776797 | Lost circulation compositions | Melissa Allin, Donald L. Whitfill | 2010-08-17 |
| 7740067 | Method to control the physical interface between two or more fluids | Daniel L. Bour, Ronnie Glen Morgan, Christopher L. Gordon, Melissa Allin, Renee Manuel +2 more | 2010-06-22 |
| 7259130 | Set-on demand, ester-based wellbore fluids and methods of using the same | James E. Griffith, Ron D. Nida | 2007-08-21 |
| 7156175 | Methods of generating gas in well fluids | B. Raghava Reddy, Krishna M. Ravi, James E. Griffith, Frank Zamora, Karen Luke +1 more | 2007-01-02 |
| 7143827 | Well completion spacer fluids containing fibers and methods | Jiten Chatterji, Dennis W. Gray, Bobby J. King | 2006-12-05 |
| 7013971 | Reverse circulation cementing process | James E. Griffith, Timothy W. Marriott, Edgar J. Liegis, Randy D. Humphrey | 2006-03-21 |
| 6715553 | Methods of generating gas in well fluids | B. Raghava Reddy, Krishna M. Ravi, James E. Griffith, Frank Zamora, Karen Luke +1 more | 2004-04-06 |
| 6716282 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Jiten Chatterji, Bobby J. King | 2004-04-06 |
| 6668929 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Jiten Chatterji, Bobby J. King | 2003-12-30 |
| 6666268 | Methods and oil-based settable drilling fluid compositions for drilling and cementing wells | James E. Griffith, Jiten Chatterji, Bobby J. King | 2003-12-23 |
| D477992 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2003-08-05 |
| D475915 | Flexible pouch | John C. Lawrie, Timothy Meggers | 2003-06-17 |
| D475279 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2003-06-03 |
| D473458 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2003-04-22 |
| 6524384 | Oil-based settable spotting fluid | James E. Griffith, Ricky A. Cox, Jiten Chatterji | 2003-02-25 |
| 6523610 | Methods and apparatus for forming metal casings in well bores | James E. Griffith, Jiten Chatterji, Ricky A. Cox | 2003-02-25 |
| D469685 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2003-02-04 |
| 6503870 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 2003-01-07 |
| 6484568 | Apparatus and method for foaming fluids and for testing foamed fluids | James E. Griffith, Ricky A. Cox, Bryan K. Waugh | 2002-11-26 |
| D463267 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2002-09-24 |
| D463268 | Flexible pouch | Shawn D. Zappa, Donald J. Trombley | 2002-09-24 |
| 6448206 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 2002-09-10 |
| 6401817 | Sealing subterranean zones | James E. Griffith, Ricky A. Cox, Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 2002-06-11 |