Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994021 | Downhole wire integrity and propagation delay determination by signal reflection | Imran Sharif Vehra, Matthew Chase Griffing, Zinovy B. Krugliak | 2024-05-28 |
| 11905826 | Clock calibration of remote systems by roundtrip time | Imran Sharif Vehra, Zinovy B. Krugliak, Randal Thomas Beste, Matthew Chase Griffing, Wenhao Chen +1 more | 2024-02-20 |
| 11434750 | Determination on casing and formation properties using electromagnetic measurements | Hsu-Hsiang Wu, Weixin Dong, Jin Ma | 2022-09-06 |
| 11029440 | Methods and systems with estimated synchronization between modular downhole logging system modules | Hsu-Hsiang Wu, Matthew Chase Griffing | 2021-06-08 |
| 10711598 | Methods to synchronize signals among antennas with different clock systems | Hsu-Hsiang Wu, Matthew Chase Griffing | 2020-07-14 |
| 10508504 | Redundant, adaptable slip ring | John Hardin, Jonathan Peter Zacharko, David Wong, Daniel Winslow, Richard Thomas Hay +2 more | 2019-12-17 |
| 10407993 | High-voltage drilling methods and systems using hybrid drillstring conveyance | Ron Dirksen, Blaine C. Comeaux | 2019-09-10 |
| 10280684 | Dual-type speed control mechanism for a turbine | Daniel Winslow, Neelesh Deolalikar | 2019-05-07 |
| 10139515 | Ranging measurements using modulated signals | Burkay Donderici | 2018-11-27 |
| 9967153 | Self-defining configuration apparatus, methods, and systems | William David Bethancourt, Ranganathan Sridharan, James Lin, Andre Krisna, Bhargav Patel +1 more | 2018-05-08 |
| 9958567 | Rotational wellbore ranging | Randal Thomas Beste, Svetozar Simeonov, Burkay Donderici, Luis Emilio San Martin | 2018-05-01 |
| 9506326 | Rotationally-independent wellbore ranging | Richard Thomas Hay, Mac Upshall, Burkay Donderici | 2016-11-29 |
| 9360582 | Correcting for magnetic interference in azimuthal tool measurements | Michael S. Bittar, Hsu-Hsiang Wu | 2016-06-07 |
| 9303506 | Drill string tubular with a detection system mounted therein | Adan Hernandez Herrera, James H. Dudley, Michael Finke | 2016-04-05 |
| 9068442 | Determining the order of devices in a downhole string | Laban M. Marsh | 2015-06-30 |
| 9003862 | Downhole instrument calibration during formation survey | Paul F. Rodney, Adan Hernandez Herrera, James H. Dudley, Joe Marzouk | 2015-04-14 |
| 8991507 | Gasket for inductive coupling between wired drill pipe | Paul F. Rodney | 2015-03-31 |
| 8528381 | Downhole instrument calibration during formation survey | Paul F. Rodney, Adan Hernandez Herrera, James H. Dudley, Joe Marzouk | 2013-09-10 |
| 7839148 | Method and system for calibrating downhole tools for drift | Imran Sharif Vehra, James Joseph Freeman, Randal Thomas Beste, Michael S. Bittar | 2010-11-23 |
| 7307425 | Receiver electronics proximate antenna | James Joseph Freeman, Imran Sharif Vehra, Sergei Sharonov | 2007-12-11 |
| 7301223 | High temperature electronic devices | Paul F. Rodney, James Masino, Roger L. Schultz, James Joseph Freeman | 2007-11-27 |
| 7268019 | Method and apparatus for high temperature operation of electronics | Roger L. Schultz, James Masino | 2007-09-11 |
| 7167101 | Method and apparatus for telemetry | Laban M. Marsh, Paul F. Rodney, Cili Sun, Bipin K. Pillai, Paul Beene | 2007-01-23 |
| 7106210 | Method and apparatus for mud pulse telemetry | Laban M. Marsh, Paul F. Rodney, Cili Sun, Bipin K. Pillai, Paul Beene | 2006-09-12 |
| 7068182 | Method and apparatus for mud pulse telemetry | Laban M. Marsh, Paul F. Rodney, Cili Sun, Bipin K. Pillai, Paul Beene | 2006-06-27 |