Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837893 | Methods for measurement of ultra-low permeability and porosity | Terizhandur S. Ramakrishnan | 2020-11-17 |
| 10365202 | Method for measurement of ultra-low permeability and porosity by accounting for adsorption | Terizhandur S. Ramakrishnan | 2019-07-30 |
| 10288517 | Apparatus and calibration method for measurement of ultra-low permeability and porosity | Terizhandur S. Ramakrishnan | 2019-05-14 |
| 10274411 | Methods for measurement of ultra-low permeability and porosity | Terizhandur S. Ramakrishnan | 2019-04-30 |
| 8302687 | Apparatus for measuring streaming potentials and determining earth formation characteristics | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2012-11-06 |
| 7891417 | Completion apparatus for measuring streaming potentials and determining earth formation characteristics | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2011-02-22 |
| 7520324 | Completion apparatus for measuring streaming potentials and determining earth formation characteristics | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2009-04-21 |
| 7243718 | Methods for locating formation fractures and monitoring well completion using streaming potential transients information | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2007-07-17 |
| 7233150 | While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2007-06-19 |
| 7178392 | Determining the pressure of formation fluid in earth formations surrounding a borehole | Brindesh Dhruva, Elizabeth B. Dussan, V., Aaron Jacobson, Jagdish Shah, Stephane Pierre +2 more | 2007-02-20 |
| 6978672 | Wireline apparatus for measuring steaming potentials and determining earth formation characteristics | Min-Yi Chen, Bhavani Raghuraman, Ian Bryant, Jose Navarro | 2005-12-27 |
| 5741707 | Method for quantitative analysis of earth samples | Michael M. Herron, Abigail Matteson | 1998-04-21 |