Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376609 | Settable compositions comprising interground perlite and hydraulic cement | Jeffery Dwane Karcher, D. Chad Brenneis, Craig W. Roddy | 2016-06-28 |
| 9228122 | Methods and cement compositions utilizing treated polyolefin fibers | Jiten Chatterji, Gregory Robert Hundt, Darrell Chad Brenneis, John L. Dennis, Jr. | 2016-01-05 |
| 9051505 | Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly | Craig W. Roddy, Clive D. Menezes, Darrell Chad Brenneis, Jiten Chatterji, Ronnie Glen Morgan | 2015-06-09 |
| 9023150 | Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use | D. Chad Brenneis, Craig W. Roddy, Preston DePlacido, William J. Caveny, Rickey L. Morgan +1 more | 2015-05-05 |
| 9006155 | Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly | Craig W. Roddy, Clive D. Menezes, Darrell Chad Brenneis, Jiten Chatterji, Ronnie Glen Morgan | 2015-04-14 |
| 8950486 | Acid-soluble cement compositions comprising cement kiln dust and methods of use | D. Chad Brenneis, Craig W. Roddy | 2015-02-10 |
| 8921284 | Spacer fluids containing cement kiln dust and methods of use | D. Chad Brenneis, Craig W. Roddy | 2014-12-30 |
| 8910708 | Pumice-containing remedial compositions and systems for use | Jiten Chatterji, D. Chad Brenneis | 2014-12-16 |
| 8899329 | Pumice-containing remedial compositions and methods of use | Jiten Chatterji, D. Chad Brenneis | 2014-12-02 |
| 8726990 | Lost-circulation material made from a recycled ceramic | Jeffery Dwane Karcher, Rickey L. Morgan, Chad Brenneis | 2014-05-20 |
| 8691737 | Consolidating spacer fluids and methods of use | Jiten Chatterji, D. Chad Brenneis, Crystal L. Keys, Craig W. Roddy, Ronnie Glen Morgan +1 more | 2014-04-08 |
| 8672028 | Settable compositions comprising interground perlite and hydraulic cement | Jeffery Dwane Karcher, D. Chad Brenneis, Craig W. Roddy | 2014-03-18 |
| 8555967 | Methods and systems for evaluating a boundary between a consolidating spacer fluid and a cement composition | Jiten Chatterji, Ronnie Glen Morgan, Craig W. Roddy, D. Chad Brenneis | 2013-10-15 |
| 8551923 | Foamed spacer fluids containing cement kiln dust and methods of use | Joseph V. Spencer, Zachary Robert Kranz, Christopher Jay Garrison, D. Chad Brenneis, Craig W. Roddy | 2013-10-08 |
| 8544543 | Consolidating spacer fluids and methods of use | Jiten Chatterji, D. Chad Brenneis, Crystal L. Keys, Craig W. Roddy, Ronnie Glen Morgan +1 more | 2013-10-01 |
| 8522873 | Spacer fluids containing cement kiln dust and methods of use | Chad Brenneis, Craig W. Roddy | 2013-09-03 |
| 8505630 | Consolidating spacer fluids and methods of use | Jiten Chatterji, D. Chad Brenneis, Crystal L. Keys, Craig W. Roddy, Ronnie Glen Morgan +1 more | 2013-08-13 |
| 8505629 | Foamed spacer fluids containing cement kiln dust and methods of use | Joseph V. Spencer, Zachary Robert Kranz, Christopher Jay Garrison, D. Chad Brenneis, Craig W. Roddy | 2013-08-13 |
| 8297357 | Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use | D. Chad Brenneis, Craig W. Roddy, Preston DePlacido, William J. Caveny, Rickey L. Morgan +1 more | 2012-10-30 |