Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149545 | Closed chamber impulse test with downhole flow rate measurement | Fikri John Kuchuk, Stephane Hiron, Bertrand Theuveny, Anthony J. Fitzpatrick, Alexander Starostin +1 more | 2021-10-19 |
| 10392900 | Actuation control system using pilot control circuit | Gary L. Rytlewski, Colin Longfield, Edgar Jose Montiel | 2019-08-27 |
| 10287873 | Wirelessly transmitting data representing downhole operation | Christian C. Spring | 2019-05-14 |
| 9715031 | Data retrieval device for downhole to surface telemetry systems | Matthe Contant, Gaelle Jannin, Erwann Lemenager | 2017-07-25 |
| 9708909 | Accoustic triggering devices for multiple fluid samplers and methods of making and using same | Malcolm Atkinson, John L. Stevens, Adeel Ahmad Khan, Susanna Fragoso, Laurent Alteirac | 2017-07-18 |
| 8776591 | Downhole, single trip, multi-zone testing system and downhole testing method using such | Pierre Le Foll, Christopher Sarvari | 2014-07-15 |
| 8620636 | Interpreting well test measurements | Lang Zhan, Fikri John Kuchuk, Dhandayuthapani Kannan | 2013-12-31 |
| 8020437 | Method and apparatus to quantify fluid sample quality | Lang Zhan, Dhandayuthapani Kannan, Graham Birkett | 2011-09-20 |
| 7849920 | System and method for optimizing production in a well | Dhandayuthapani Kannan, David Sask, Lang Zhan | 2010-12-14 |
| 7478555 | Technique and apparatus for use in well testing | Lang Zhan, Dhandayuthapani Kannan | 2009-01-20 |