Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890041 | Control system for managed pressure well bore operations | James Randolph Lovorn, Krishna Babu Yerubandi | 2021-01-12 |
| 10634808 | Switchable multi-antenna fluid sensing | Thanh T. Tran, Yousef H Alaas, William J. Schaecher, Ariful I Bhuiyan | 2020-04-28 |
| 10502020 | System and method for the detection and transmission of downhole fluid status | Li Gao, Walmy Cuello Jimenez, John Paul Bir Singh, Thanh T. Tran | 2019-12-10 |
| 9388685 | Downhole fluid tracking with distributed acoustic sensing | Etienne M. Samson, John L. Maida, William John Hunter | 2016-07-12 |
| 8636063 | Cement slurry monitoring | Etienne M. Samson, John L. Maida, William John Hunter | 2014-01-28 |
| 8505625 | Controlling well operations based on monitored parameters of cement health | Etienne M. Samson, John L. Maida, William John Hunter | 2013-08-13 |
| 5361631 | Apparatus and methods for determining the shear stress required for removing drilling fluid deposits | Rick L. Covington, Shawn Heath, Bryan Waugh | 1994-11-08 |
| 5339899 | Drilling fluid removal in primary well cementing | Fred Sabins | 1994-08-23 |
| 5309761 | Methods and apparatus for measuring the erodability of drilling fluid deposits | Robert M. Beirute | 1994-05-10 |