Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858915 | Reducing swab pressure generated behind a well liner expansion cone | Djurre Hans Zijsling | 2020-12-08 |
| 10287827 | Low break out safety joint and method for releasably connecting a tubing expansion assembly to a drill string | Can Altunlu, Djurre Hans Zijsling | 2019-05-14 |
| 10000990 | System and method for creating a sealing tubular connection in a wellbore | Djurre Hans Zijsling, Antonius Leonardus Maria Wubben | 2018-06-19 |