Issued Patents 2016
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523264 | Gravel pack crossover tool with low drag force | Patrick J. Zimmerman, Christopher A. Hall | 2016-12-20 |
| 9447661 | Gravel pack and sand disposal device | Christopher A. Hall, Patrick J. Zimmerman, Brian J. Ritchey, Ronald van Petegem | 2016-09-20 |
| 9441454 | Gravel pack apparatus having actuated valves | Christopher A. Hall, Ronald van Petegem | 2016-09-13 |
| 9428997 | Multi-zone bypass packer assembly for gravel packing boreholes | Christopher A. Hall | 2016-08-30 |
| 9359856 | Swellable packer in hookup nipple | — | 2016-06-07 |
| 9260950 | One trip toe-to-heel gravel pack and liner cementing assembly | Christopher A. Hall, Ronald van Petegem, Alvaro Jose Arrazola | 2016-02-16 |