PA

Per Angman

TE Tescom: 34 patents #1 of 132Top 1%
KO Kobold: 22 patents #1 of 14Top 8%
Overall (All Time): #32,577 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 25 most recent of 66 patents

Patent #TitleCo-InventorsDate
12338709 Multi-position sleeve assembly, systems, and methods for use in a wellbore Sean Goodwin, Scott Sherman 2025-06-24
12060756 Coupled downhole shifting and treatment tools and methodology for completion and production operations Allan Petrella, Mark Andreychuk 2024-08-13
11959359 Sleeve valves, shifting tools and methods for wellbore completion operations therewith Mark Andreychuk 2024-04-16
11952858 Isolation tool and methods of use thereof Mark Andreychuk, Scott Sherman 2024-04-09
11905798 Power-generating apparatus for downhole tubulars 2024-02-20
11649696 Wireline completion tool and method Mark Andreychuk 2023-05-16
11480030 Thermal expansion actuation system for sleeve shifting Mark Andreychuk, Allan Petrella, Matthew H. Brown 2022-10-25
11365606 Downhole sleeve assembly and sleeve actuator therefor Mark Andreychuk, Allan Petrella, David C. Parks 2022-06-21
11346169 Sleeve valves, shifting tools and methods for wellbore completion operations therewith Mark Andreychuk 2022-05-31
11319802 Downhole operations using remote operated sleeves and apparatus therefor Mark Andreychuk, Allan Petrella 2022-05-03
11261682 Mode selector for a downhole tool Matthew H. Brown, David C. Parks, Allan Petrella, Mark Andreychuk 2022-03-01
11215048 System and method for monitoring and controlling fluid flow Allan Petrella, Matthew H. Brown, Mark Andreychuk 2022-01-04
11208871 Apparatus, systems and methods for completion operations Vitaliy Shpak, Matthew H. Brown, Mark Andreychuk 2021-12-28
10975642 Shifting tool for a downhole tool Mark Andreychuk 2021-04-13
10961808 Tension release packer for a bottomhole assembly and methods of use Mark Andreychuk 2021-03-30
10871054 Closeable sleeve assembly and method of use Mark Andreychuk, Allan Petrella 2020-12-22
10704383 Downhole operations using remote operated sleeves and apparatus therefor Mark Andreychuk, Allan Petrella 2020-07-07
10662750 Methods and electrically-actuated apparatus for wellbore operations Mark Andreychuk, Allan Petrella 2020-05-26
10605061 Bottom hole assembly for wellbore completion Mark Andreychuk, Allan Petrella 2020-03-31
10605045 Downhole tool having a shock-absorbing sleeve Kevin GRAF, Chris BAUDISTEL, Mark Andreychuk 2020-03-31
10472919 Tension release packer for a bottomhole assembly Mark Andreychuk 2019-11-12
10472928 Downhole sleeve assembly and sleeve actuator therefor Mark Andreychuk, Allan Petrella, David C. Parks 2019-11-12
10309164 Mixed form tubular centralizers and method of use 2019-06-04
10287866 Methods and electrically-actuated apparatus for wellbore operations Mark Andreychuk, Allan Petrella 2019-05-14
10267140 Extendable/collapsible apparatus for fracture imaging and use of same Mark Andreychuk, Allan Petrella 2019-04-23