Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12060756 | Coupled downhole shifting and treatment tools and methodology for completion and production operations | Allan Petrella, Per Angman | 2024-08-13 |
| 11959359 | Sleeve valves, shifting tools and methods for wellbore completion operations therewith | Per Angman | 2024-04-16 |
| 11952858 | Isolation tool and methods of use thereof | Per Angman, Scott Sherman | 2024-04-09 |
| 11649696 | Wireline completion tool and method | Per Angman | 2023-05-16 |
| 11480030 | Thermal expansion actuation system for sleeve shifting | Per Angman, Allan Petrella, Matthew H. Brown | 2022-10-25 |
| 11365606 | Downhole sleeve assembly and sleeve actuator therefor | Per Angman, Allan Petrella, David C. Parks | 2022-06-21 |
| 11346169 | Sleeve valves, shifting tools and methods for wellbore completion operations therewith | Per Angman | 2022-05-31 |
| 11319802 | Downhole operations using remote operated sleeves and apparatus therefor | Per Angman, Allan Petrella | 2022-05-03 |
| 11261682 | Mode selector for a downhole tool | Per Angman, Matthew H. Brown, David C. Parks, Allan Petrella | 2022-03-01 |
| 11215048 | System and method for monitoring and controlling fluid flow | Allan Petrella, Matthew H. Brown, Per Angman | 2022-01-04 |
| 11208871 | Apparatus, systems and methods for completion operations | Vitaliy Shpak, Matthew H. Brown, Per Angman | 2021-12-28 |
| 10975642 | Shifting tool for a downhole tool | Per Angman | 2021-04-13 |
| 10961808 | Tension release packer for a bottomhole assembly and methods of use | Per Angman | 2021-03-30 |
| 10871054 | Closeable sleeve assembly and method of use | Allan Petrella, Per Angman | 2020-12-22 |
| 10704383 | Downhole operations using remote operated sleeves and apparatus therefor | Per Angman, Allan Petrella | 2020-07-07 |
| 10662750 | Methods and electrically-actuated apparatus for wellbore operations | Per Angman, Allan Petrella | 2020-05-26 |
| 10605061 | Bottom hole assembly for wellbore completion | Per Angman, Allan Petrella | 2020-03-31 |
| 10605045 | Downhole tool having a shock-absorbing sleeve | Per Angman, Kevin GRAF, Chris BAUDISTEL | 2020-03-31 |
| 10570680 | Mobile coiled tubing reel unit, rig and arrangements thereof | Allan Joseph Pleskie, Matthew Joseph Gotch, Gary Russell Callander | 2020-02-25 |
| 10472928 | Downhole sleeve assembly and sleeve actuator therefor | Per Angman, Allan Petrella, David C. Parks | 2019-11-12 |
| 10472919 | Tension release packer for a bottomhole assembly | Per Angman | 2019-11-12 |
| 10287866 | Methods and electrically-actuated apparatus for wellbore operations | Per Angman, Allan Petrella | 2019-05-14 |
| 10267140 | Extendable/collapsible apparatus for fracture imaging and use of same | Per Angman, Allan Petrella | 2019-04-23 |
| 10024150 | Bottom hole assembly for wellbore completion | Per Angman, Allan Petrella | 2018-07-17 |
| 9840888 | Downhole tool having a shock-absorbing sleeve | Per Angman, Kevin GRAF, Chris BAUDISTEL | 2017-12-12 |