Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542795 | Mechanical isolation plugs for inflow control devices | Weiqi Yin, Stephen Michael Greci | 2023-01-03 |
| 11066909 | Mechanical isolation plugs for inflow control devices | Weiqi Yin, Stephen Michael Greci | 2021-07-20 |
| 11041359 | Eccentric seat for flapper valve | — | 2021-06-22 |
| 10584563 | Remotely operated and multi-functional down-hole control tools | William Mark Richards, Syed Hamid | 2020-03-10 |
| 10570687 | Reclosable multi-zone isolation using a piston assembly having a lock out feature | Jason Earl Davis | 2020-02-25 |
| 10519750 | Reclosable multi-zone isolation using a pull-force lock mechanism | Jason Earl Davis | 2019-12-31 |
| 10408005 | Packer setting tool with internal pump | William Mark Richards, Colby M. Ross, Thomas Owen Roane | 2019-09-10 |
| 10113387 | Testable isolation packer | Timothy Edward Harms, William Mark Richards | 2018-10-30 |
| 9920587 | Testable isolation packer | Timothy Edward Harms, William Mark Richards | 2018-03-20 |
| 9759016 | Protection assembly for downhole wet connectors | Eddie Eddieberto Perez, Bryon Mullen, William Germany, William Mark Richards | 2017-09-12 |
| 9714553 | Assisting retrieval of a downhole tool | Christopher Robert Delzell, William Mark Richards, Bryon Mullen | 2017-07-25 |
| 9416616 | Assisting retrieval of a downhole tool | Christopher Robert Delzell, William Mark Richards, Bryon Mullen | 2016-08-16 |
| 9404314 | Reciprocating debris exclusion device for downhole connectors | Eddie Eddieberto Perez, Bryon Mullen, William Germany, William Mark Richards | 2016-08-02 |
| 9297232 | Reclosable multi zone isolation tool and method for use thereof | Keith Wayne Scott, Douglas Allen Schafer | 2016-03-29 |
| 8757275 | Reclosable multi zone isolation tool and method for use thereof | Keith Wayne Scott, Douglas Allen Schafer | 2014-06-24 |
| 7909095 | Valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string | William Mark Richards | 2011-03-22 |
| 7802621 | Inflow control devices for sand control screens | William Mark Richards, Ronald Glen Dusterhoft, Travis Hailey | 2010-09-28 |
| RE41118 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +8 more | 2010-02-16 |
| 7363986 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +10 more | 2008-04-29 |
| 7320367 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Ralph H. Echols, Gary P. Funkhouser, Marion D. Kilgore, Ronald J. Powell +2 more | 2008-01-22 |
| 7243724 | Apparatus and method for treating an interval of a wellbore | Ronald W. McGregor, Travis Hailey, Robert W. Crow, Philip D. Nguyen, David A. Hejl +1 more | 2007-07-17 |
| 6997263 | Multi zone isolation tool having fluid loss prevention capability and method for use of same | Patrick Francis Campbell, Jay B. Shivers, Mark E. P. Dawson | 2006-02-14 |
| 6978840 | Well screen assembly and system with controllable variable flow area and method of using same for oil well fluid production | — | 2005-12-27 |
| 6932157 | Apparatus and method for treating an interval of a wellbore | Ronald W. McGregor, Travis Hailey, Robert W. Crow, Philip D. Nguyen | 2005-08-23 |
| 6854522 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +12 more | 2005-02-15 |