Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286839 | Devices and systems for cutting element assemblies | David Robert Evan Snoswell, Ashley Bernard Johnson, Mauro Caresta | 2025-04-29 |
| 11914403 | Changing set points in a resonant system | Benjamin Peter Jeffryes, Steven Antony Gahlings | 2024-02-27 |
| 11822039 | Formation evaluation at drill bit | Jonathan Robert Hird, Ashley Bernard Johnson | 2023-11-21 |
| 11732570 | Indirect detection of bending of a collar | Joachim Sihler, John George Allen Charlesworth, Adam Bowler, Michael H. Kenison | 2023-08-22 |
| 11199060 | Method and model for wellbore strengthening by filtercake | Quanxin Guo, Paul Way, Louise Bailey, Simon James, Salim Taoutaou | 2021-12-14 |
| 10831218 | Changing set points in a resonant system | Benjamin Peter Jeffryes, Steven Antony Gahlings | 2020-11-10 |
| 10409300 | Changing set points in a resonant system | Benjamin Peter Jeffryes, Steven Antony Gahlings | 2019-09-10 |
| 10233698 | Instrumented rotary tools with attached cutters | Caroline Humphrey, Ashley Bernard Johnson, Gokturk Tunc | 2019-03-19 |
| 9797235 | Drilling optimization with a downhole motor | Maurice Ringer, Michael Paul Barrett, Benjamin Peter Jeffryes, Walter David Aldred, Ashley Bernard Johnson +1 more | 2017-10-24 |
| 9291046 | Dual or twin-well completion with wettability alteration for segregated oil and water production | Terizhandur S. Ramakrishnan, Paul Hammond | 2016-03-22 |
| 8770304 | Open-hole wellbore lining | Louise Bailey, Armelle Payen, Sylvie Daniel, Mickael Allouche | 2014-07-08 |
| 8770283 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J. Ernest Brown, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2014-07-08 |
| 8746368 | Compliantly coupled gauge pad system | Ashley Bernard Johnson, Geoffrey C. Downton | 2014-06-10 |
| 8602114 | Open-hole wellbore lining | Louise Bailey, Armelle Payen, Sylvie Daniel, Mickael Allouche | 2013-12-10 |
| 8394464 | Lining of wellbore tubing | Louise Bailey, Benoit Vidick, Paul Way | 2013-03-12 |
| 8347958 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J. Ernest Brown, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2013-01-08 |
| 8312940 | Apparatus and method for improvements in wellbore drilling | Louise Bailey, Jennifer Edwards, Gerald Meeten, Jonathan Phipps | 2012-11-20 |
| 8272438 | System and method for robustly and accurately obtaining a pore pressure measurement of a subsurface formation penetrated by a wellbore | Marc Thiercelin | 2012-09-25 |
| 8225867 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J Ernest Brown, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2012-07-24 |
| 8079415 | Wellbore intervention tool | — | 2011-12-20 |
| 7971661 | Motor bit system | Ashley Bernard Johnson, Geoffrey C. Downton | 2011-07-05 |
| 7946341 | Systems and methods for distributed interferometric acoustic monitoring | Arthur H. Hartog, J. Ernest Brown, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2011-05-24 |
| 7942214 | Steerable drilling system | Ashley Bernard Johnson, Paul A. Wand, Steven Hart | 2011-05-17 |
| 7931091 | Open-hole wellbore lining | Louise Bailey, Armelle Payen, Sylvie Daniel, Mickael Allouche | 2011-04-26 |
| 7845430 | Compliantly coupled cutting system | Ashley Bernard Johnson, Geoffrey C. Downton | 2010-12-07 |