Issued Patents All Time
Showing 51–75 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7134497 | Foamed treatment fluids and associated methods | Jiten Chatterji, Karen L. King, Stanley J. Heath, Chad Brennels | 2006-11-14 |
| 7114569 | Methods, cement compositions and suspending agents therefor | Jiten Chatterji, Roger S. Cronwell, D. Chad Brenneis | 2006-10-03 |
| 7077203 | Methods of using settable compositions comprising cement kiln dust | Craig W. Roddy, Jiten Chatterji, D. Chad Brenneis | 2006-07-18 |
| 7077219 | Foamed treatment fluids and associated methods | Jiten Chatterji, Gary P. Funkhouser | 2006-07-18 |
| 7032669 | Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids | Jiten Chatterji | 2006-04-25 |
| 7022755 | Resilient cement compositions and methods of cementing | Jiten Chatterji, D. Chad Brenneis, Roger S. Cromwell | 2006-04-04 |
| 7013975 | Foamed cement slurries, additives and methods | Jiten Chatterji, D. Chad Brenneis, Roger S. Cromwell, Dennis W. Gray | 2006-03-21 |
| 7008479 | Methods and cement compositions for cementing in subterranean zones | Jiten Chatterji, Roger S. Cromwell, Darrell Chad Brenneis | 2006-03-07 |
| 7008477 | Foamed cement slurries, additives and methods | Jiten Chatterji, Roger S. Cronwell, D. Chad Brenneis, Dennis W. Gray | 2006-03-07 |
| 6986392 | Recyclable foamed fracturing fluids and methods of using the same | Jiten Chatterji, Karen L. King | 2006-01-17 |
| 6983800 | Methods, cement compositions and oil suspensions of powder | Jiten Chatterji, Ronney R. Koch | 2006-01-10 |
| 6979366 | Methods of cementing pipe in well bores and low density cement compositions therefor | Jiten Chatterji, Roger S. Cromwell, Darrel C. Brenneis | 2005-12-27 |
| 6966379 | Methods of fracturing a subterranean formation using a pH dependent foamed fracturing fluid | Jiten Chatterji, Karen L. King, Billy Slabaugh | 2005-11-22 |
| 6953505 | Stable and biodegradable foamed cement slurries, additives and methods | Jiten Chatterji, D. Chad Brenneis | 2005-10-11 |
| 6951249 | Foamed cement slurries, additives and methods | Jiten Chatterji, Roger S. Cronwell, D. Chad Brenneis, Dennis W. Gray | 2005-10-04 |
| 6902002 | Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations | Jiten Chatterji, Roger S. Cromwell, D. Chad Brenneis | 2005-06-07 |
| 6899177 | Methods of cementing subterranean zones with cement compositions having enhanced compressive strengths | Jiten Chatterj, Roger S. Cromwell, D. Chad Brenneis | 2005-05-31 |
| 6852676 | Well completion foamed spacer fluids and methods | Jiten Chatterji, James E. Griffith | 2005-02-08 |
| 6840319 | Methods, compositions and biodegradable fluid loss control additives for cementing subterranean zones | Jiten Chatterji, Roger S. Cromwell, D. Chad Brenneis | 2005-01-11 |
| 6797054 | Foamed well cement slurries, additives and methods | Jiten Chatterji, Roger S. Cromwell, Chad Brenneis, Dennis W. Gray, Frank Zamora | 2004-09-28 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Jiten Chatterji, Roger S. Cromwell, D. Chad Brenneis, Dennis W. Gray, Ronald J. Crook +5 more | 2004-07-27 |
| 6716282 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Jiten Chatterji, John L. Dennis, Jr. | 2004-04-06 |
| 6708760 | Methods and cement compositions for cementing in subterranean zones | Jiten Chatterji, Roger S. Cromwell, Darrell Chad Brenneis | 2004-03-23 |
| 6668929 | Methods and oil-based settable spotting fluid compositions for cementing wells | James E. Griffith, Jiten Chatterji, John L. Dennis, Jr. | 2003-12-30 |
| 6668927 | Well completion foamed spacer fluids and methods | Jiten Chatterji, James E. Griffith | 2003-12-30 |