Issued Patents All Time
Showing 25 most recent of 159 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326138 | Geopressure and geothermal power system | Nathan Weiss, Douglas Simpkins, Robert Lance Cook | 2025-06-10 |
| 12227698 | Method of multi-stage fracturing of subterranean formation and slurry for that method | Thomas Robl, Anne Oberlink, Robert Jewell, Tristana Duvallett, Lance Cook | 2025-02-18 |
| 12092086 | Geopressure and geothermal power system | Nathan Weiss, Douglas Simpkins, Robert Lance Cook | 2024-09-17 |
| 11965677 | System, method, and composition for geothermal heat harvest | Robert Lance Cook | 2024-04-23 |
| 11193338 | Pressure control device for use with a subterranean well | James W. Chambers | 2021-12-07 |
| 11193340 | Heave compensation system for assembling a drill string | Ram K. Bansal, Don M. Hannegan | 2021-12-07 |
| 10774599 | Heave compensation system for assembling a drill string | Ram K. Bansal, Don M. Hannegan | 2020-09-15 |
| 10392872 | Pressure control device for use with a subterranean well | James W. Chambers | 2019-08-27 |
| 10267117 | Radial seal pressure reduction using internal pump | Thomas F. Bailey, James W. Chambers, Don M. Hannegan | 2019-04-23 |
| 10227838 | Drilling system and method having flow measurement choke | Walter S. Dillard | 2019-03-12 |
| 10190378 | Drilling head with non-rotating annular seal assembly | Vahidin Alajbegovic | 2019-01-29 |
| 10113408 | Integrated drilling control system | Ilia Pobedinski, Sanjit Roy, Ferhat Gumus, Koray Kinik, Iain Cook +1 more | 2018-10-30 |
| 10094185 | Coriolis flow meter having flow tube with equalized pressure differential | Walter S. Dillard, Paul R. Northam, Gerald G. George | 2018-10-09 |
| 10060208 | Automatic event detection and control while drilling in closed loop systems | Ferhat Gumus, Koray Kinik | 2018-08-28 |
| 10006262 | Continuous flow system for drilling oil and gas wells | Ram K. Bansal, Geoff George, Gerald Wes Don Buchanan, Justin R. CUNNINGHAM, Eisenhower De Leon +2 more | 2018-06-26 |
| 9926747 | Method of incorporating remote communication with oilfield tubular handling apparatus | Sorin Gabriel Teodorescu, Hallvard S. Hatloy, Tarald Gudmestad | 2018-03-27 |
| 9903176 | Expandable packer | Varadaraju Gandikota | 2018-02-27 |
| 9822630 | Marine diverter system with real time kick or loss detection | Don M. Hannegan | 2017-11-21 |
| 9714559 | Method and apparatus for hydraulic fracturing | Cesar G. Garcia | 2017-07-25 |
| 9631442 | Heave compensation system for assembling a drill string | Ram K. Bansal, Don M. Hannegan | 2017-04-25 |
| 9551201 | Apparatus and method of zonal isolation | Varadaraju Gandikota | 2017-01-24 |
| 9464520 | Method of incorporating remote communication with oilfield tubular handling apparatus | Sorin Gabriel Teodorescu, Hallvard S. Hatloy, Tarald Gudmestad | 2016-10-11 |
| 9416599 | Rotating continuous flow sub | Thomas F. Bailey, Mark A. Mitchell, David Pavel, Ram K. Bansal, David Iblings | 2016-08-16 |
| 9308566 | Compliant expansion swage | Varadaraju Gandikota, Mike A. Luke, David S. Li | 2016-04-12 |
| 9255467 | Expandable liner hanger and method of use | Gordon Thomson, Varadaraju Gandikota, Paul Andrew Reinhardt, Mike A. Luke, David S. Li | 2016-02-09 |