Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326082 | Tracking a wiper dart having a bi-diameter wiper cup in a wellbore using pressure spikes | Shobeir Pirayeh Gar, Lonnie Carl Helms, Gavin Graff | 2025-06-10 |
| 9822631 | Monitoring downhole parameters using MEMS | Krishna M. Ravi, Craig W. Roddy | 2017-11-21 |
| 9765252 | Sealant compositions and methods utilizing nano-particles | Craig W. Roddy | 2017-09-19 |
| 9206344 | Sealant compositions and methods utilizing nano-particles | Craig W. Roddy | 2015-12-08 |
| 9200500 | Use of sensors coated with elastomer for subterranean operations | Craig W. Roddy | 2015-12-01 |
| 9194207 | Surface wellbore operating equipment utilizing MEMS sensors | Craig W. Roddy | 2015-11-24 |
| 8741818 | Lost circulation compositions and associated methods | Krishna M. Ravi, Rahul Chandrakant Patil, Sandip Prabhakar Patil, Sairam KS Pindiprolu, Craig W. Roddy +2 more | 2014-06-03 |
| 8685903 | Lost circulation compositions and associated methods | Krishna M. Ravi, Rahul Chandrakant Patil, Sandip Prabhakar Patil, Sairam KS Pindiprolu, Craig W. Roddy +2 more | 2014-04-01 |
| 8646537 | Remotely activated downhole apparatus and methods | Timothy R. Tips, James R. Longbottom, Michael Linley Fripp, Lonnie Carl Helms, Frank Acosta +2 more | 2014-02-11 |
| 8616276 | Remotely activated downhole apparatus and methods | Timothy R. Tips, James R. Longbottom, Michael Linley Fripp, Lonnie Carl Helms, Frank Acosta +2 more | 2013-12-31 |
| 8603952 | Cement compositions and methods utilizing nano-clay | Craig W. Roddy, Jiten Chatterji, D. Chad Brenneis | 2013-12-10 |
| 8586512 | Cement compositions and methods utilizing nano-clay | Craig W. Roddy, Jiten Chatterji, D. Chad Brenneis | 2013-11-19 |
| 8342242 | Use of micro-electro-mechanical systems MEMS in well treatments | Craig W. Roddy | 2013-01-01 |
| 7708071 | Cement compositions comprising aluminum chloride and associated methods | Craig W. Roddy, Jiten Chatterji, Bobby J. King, D. Chad Brenneis | 2010-05-04 |
| 7213646 | Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods | Craig W. Roddy, Jiten Chatterji | 2007-05-08 |
| 5570743 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-11-05 |
| 5522459 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-06-04 |