Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335855 | Additive manufacturing of functionally gradient degradable tools | John C. Welch, Zhiyue Xu, James Andy Oxford | 2019-07-02 |
| 10196875 | Deployment of expandable graphite | Lei Zhao, Caleb R. Newman, Zhiyue Xu | 2019-02-05 |
| 10174581 | Method and apparatus to utilize a deformable filler ring | Carlos A. Prieto, John K. Wakefield, Aubrey C. Mills | 2019-01-08 |
| 10125572 | Casing or liner barrier with remote interventionless actuation feature | Ray Vincent, Yang Xu | 2018-11-13 |
| 10082002 | Multi-stage fracturing with smart frack sleeves while leaving a full flow bore | Ewoud J. Hulsewe | 2018-09-25 |
| 10041346 | Communication using electrical signals transmitted through earth formations between boreholes | Daniel Sequera | 2018-08-07 |
| 9995103 | Extended reach anti-extrusion ring assembly with anchoring feature | John K. Wakefield, Aubrey C. Mills | 2018-06-12 |
| 9951587 | Electronically-activated liner hangers and methods of setting same in wellbore | Aubrey C. Mills | 2018-04-24 |
| 9927547 | Power generating communication device | Zhiyue Xu, Yang Xu, David P. Gerrard | 2018-03-27 |
| 9926769 | Systems and methods for downhole communication | Kevin C. Holmes, Aubrey C. Mills | 2018-03-27 |
| 9777557 | Apparatus and method for operating a device in a wellbore using signals generated in response to strain on a downhole member | Bennett M. Richard, Michael H. Johnson, Jason J. Barnard | 2017-10-03 |
| 9745823 | Downhole communication and control system and method for non-sequential downhole operations | Aubrey C. Mills | 2017-08-29 |
| 9719339 | Refracturing an already fractured borehole | Bennett M. Richard | 2017-08-01 |
| 9562408 | Casing or liner barrier with remote interventionless actuation feature | Ray Vincent, Yang Xu | 2017-02-07 |
| 9546538 | Multi-stage fracturing with smart frack sleeves while leaving a full flow bore | Ewoud J. Hulsewe | 2017-01-17 |
| 9534484 | Fracturing sequential operation method using signal responsive ported subs and packers | Beau R. Wright | 2017-01-03 |
| 9488030 | Confined volume pressure compensation due to thermal loading | David P. Gerrard, Joshua C. Falkner, Ramon Garza | 2016-11-08 |
| 9429236 | Sealing devices having a non-elastomeric fibrous sealing material and methods of using same | Robert O. Castillo, Amy L. Farar, Jeffrey C. Williams | 2016-08-30 |
| 9404340 | Frac sleeve system and method for non-sequential downhole operations | Aubrey C. Mills | 2016-08-02 |
| 9309761 | Communication system for extended reach wells | — | 2016-04-12 |
| 8967245 | Borehole seal, backup and method | Amy L. Farrar, Gregory C. Badke, Robert O. Castillo, Anthony P. Foster | 2015-03-03 |
| 8960314 | Shape memory seal assembly | Michael Edward Ramon, Mark K. Adam | 2015-02-24 |
| 8875800 | Downhole sealing system using cement activated material and method of downhole sealing | Justin Cash Bowersock, James R. Korte | 2014-11-04 |
| 8739889 | Annular pressure regulating diaphragm and methods of using same | David P. Gerrard | 2014-06-03 |
| 8371374 | Sealing feed through lines for downhole swelling packers | Anthony P. Foster, Robert O. Castillo, Ammar A. Munshi, Gregory C. Badke, Nervy Enrique Faria | 2013-02-12 |