Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163389 | Relating to well abandonment and slot recovery | George Telfer | 2024-12-10 |
| 11840899 | Well abandonment and slot recovery | Hans Christian Karlsen, Eskild Storteig, Steffen Hansen, James Linklater | 2023-12-12 |
| 11840900 | Well abandonment and slot recovery | Hans Christian Karlsen, Eskild Storteig, Alagappan Vishwanathan, James Linklater | 2023-12-12 |
| 11613953 | Well abandonment and slot recovery | James Linklater, Alan Fairweather, George Telfer | 2023-03-28 |
| 11512560 | Downhole tool | George Telfer | 2022-11-29 |
| 11466530 | Or relating to well abandonment and slot recovery | Steffen Hansen, James Linklater | 2022-10-11 |
| 11428061 | Downhole cut and pull tool and method of use | George Telfer, Alan Fair-Weather | 2022-08-30 |
| 11299947 | Relating to well abandonment | — | 2022-04-12 |
| 11156049 | Well abandonment | George Telfer, James Linklater, Wojciech Buczak | 2021-10-26 |
| 11125036 | Downhole anchor mechanism | George Telfer, Alan Fairweather | 2021-09-21 |
| 11078754 | Downhole test tool and method of use | George Telfer, Alan Fairweather, James Linklater | 2021-08-03 |
| 11047187 | Well abandonment and slot recovery | Alan Fairweather, George Telfer | 2021-06-29 |
| 10989017 | Method of abandoning a well | George Telfer, Alan Fairweather | 2021-04-27 |
| 10329877 | Downhole tool and method | Neil Andrew Abercrombie Simpson | 2019-06-25 |
| 9580969 | Cutting assembly suitable for use on a drillable drill bit | Mitchell Bavidge | 2017-02-28 |
| 9222328 | Wellhead latch and removal systems | David A. Stokes, James R. Ford, Stephen Hekelaar | 2015-12-29 |
| 8342251 | Shoe for wellbore lining tubing | Paul Howlett | 2013-01-01 |
| 7866391 | Shoe for wellbore lining tubing | Paul Howlett | 2011-01-11 |
| 7703523 | Apparatus and method for use in a well bore | — | 2010-04-27 |
| 7686089 | Hanging apparatus and method | Paul Howlett, Graeme Thomas Marr | 2010-03-30 |
| 6443247 | Casing drilling shoe | — | 2002-09-03 |
| 6062326 | Casing shoe with cutting means | Philip Anton Strong | 2000-05-16 |
| 4942933 | Relating to rotary drill bits | John D. Barr | 1990-07-24 |
| 4848491 | Rotary drill bits | Paul S. Burridge | 1989-07-18 |
| 4781256 | Cutting structures for rotary drill bits | — | 1988-11-01 |