Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850167 | Carbon dioxide-resistant Portland based cement composition | Ashok Santra | 2017-12-26 |
| 8240377 | Methods of integrating analysis, auto-sealing, and swellable-packer elements for a reliable annular seal | Ronnie Faul, William Hunter, Krishna M. Ravi, Anthony M. Badalamenti | 2012-08-14 |
| 7604053 | Methods of cementing with lightweight cement composition | Pedro Pulido, Raul Bonifacio, Octavio Araujo Morales | 2009-10-20 |
| 7398827 | Methods for high temperature lightweight cementing | Michael J. Szymanski | 2008-07-15 |
| 7390356 | Compositions for high temperature lightweight cementing | Michael J. Szymanski | 2008-06-24 |
| 7373981 | Methods of cementing with lightweight cement compositions | Pedro Pulido, Raul Bonifacio, Octavio Araujo Morales | 2008-05-20 |
| 6926081 | Methods of discovering and correcting subterranean formation integrity problems during drilling | Ronald E. Sweatman, Richard F. Vargo, Jr., Alvaro Escorcia, Krishna M. Ravi | 2005-08-09 |
| 6401814 | Method of locating a cementing plug in a subterranean wall | Steven C. Owens | 2002-06-11 |