Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398600 | Dual tubing locating adaptor for a tubing string | Kjell Revheim, Jose Hurtado | 2025-08-26 |
| 12305466 | Liner hanger system and method with non-pressure sensitive actuation | Juan Moreno, Jose Hurtado, George Telfer, Stephen Lewis | 2025-05-20 |
| 12129734 | Back-up ring system for elastomeric sealing elements | Richard James Windslow, Travis Wernecke, Henghua Jin, Karen Braden | 2024-10-29 |
| 12044098 | Stage cementing collar with cup tool | Jose Hurtado | 2024-07-23 |
| 8287235 | Electrical submersible pump | Jacques Orban | 2012-10-16 |
| 8066476 | Electrical submersible pump stage construction | Jacques Orban, David Milton Eslinger | 2011-11-29 |
| 7021385 | Method and apparatus for controlling well pressure in open-ended casing | Herve Ohmer, Ricardo Carossino, Jean-Marc Follini | 2006-04-04 |
| 6302215 | Positioning and conveying well apparatus and method | Herve Ohmer, Mark W. Brochman | 2001-10-16 |
| 6209635 | Positioning and conveying well apparatus and method | Herve Ohmer, Mark W. Brochman | 2001-04-03 |
| 6209648 | Method and apparatus for connecting a lateral branch liner to a main well bore | Herve Ohmer, Mark W. Brockman, Michael W. Frels | 2001-04-03 |
| 6012527 | Method and apparatus for drilling and re-entering multiple lateral branched in a well | Spyros S. Nitis, Herve Ohmer | 2000-01-11 |