Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228401 | Method of determining borehole conditions from distributed measurement data | Stephen Tean Edwards, Christopher Coley, Michael L. Edwards, Donald F. Shafer | 2016-01-05 |
| 9103206 | Methods of increasing fracture resistance in low permeability formations | Mark Aston, Jim Friedheim, Mark Steven Sanders, Randall Vashishta Sant | 2015-08-11 |
| 9091149 | Prediction and diagnosis of lost circulation in wells | Mark Aston, Juan Carlos Rojas, Randall Vashishta Sant, Jianguo Zhang | 2015-07-28 |
| 8794350 | Method for detecting formation pore pressure by detecting pumps-off gas downhole | — | 2014-08-05 |
| 8499830 | Method to detect casing point in a well from resistivity ahead of the bit | — | 2013-08-06 |
| 8061442 | Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well | — | 2011-11-22 |
| 7950451 | Annulus mud flow rate measurement while drilling and use thereof to detect well dysfunction | — | 2011-05-31 |
| 7861801 | Method to detect coring point from resistivity measurements | — | 2011-01-04 |
| 7431106 | Drilling method | Mark Aston, Michael McLean | 2008-10-07 |