Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132149 | Remotely actuated screenout relief valves and systems and methods including the same | Timothy I. Morrow, Randy C. Tolman, Mark M. Disko, Max Deffenbaugh | 2018-11-20 |
| 9963955 | Assembly and method for multi-zone fracture stimulation of a reservoir using autonomous tubular units | Randy C. Tolman, Pavlin B. Entchev, Dennis H. Petrie, Kevin H. Searles, Abdel Wadood M. El-Rabaa | 2018-05-08 |
| 9945218 | Sytems and methods for re-completing multi-zone wells | Randy C. Tolman, Kris J. Nygaard, Christian S. Mayer, Abdel Wadood M. El-Rabaa | 2018-04-17 |
| 9903192 | Safety system for autonomous downhole tool | Pavlin B. Entchev, George R. King, Robert C. Stanton, Elton Winemiller, Randy C. Tolman +2 more | 2018-02-27 |