Issued Patents 2021
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174727 | Look-ahead resistivity configuration | Michael S. Bittar | 2021-11-16 |
| 11143023 | Component signal decoupling for multisub resistivity tool with spaced antennas | Jin Ma | 2021-10-12 |
| 11125902 | Antenna shields for co-located antennas | Jin Ma, Michael S. Bittar | 2021-09-21 |
| 11111776 | Multiple surface excitation method for determining a location of drilling operations to existing wells | Yijing Fan, Li-Te Pan | 2021-09-07 |
| 11099293 | System and method for evaluating a formation using a statistical distribution of formation data | Weixin Dong | 2021-08-24 |
| 11061161 | Stacked soft magnetic inserts and slotted shield designs for tilted coil antennas | Michael S. Bittar, Jin Ma | 2021-07-13 |
| 11061162 | In-situ gain/phase calibration and characterization of downhole receiver electronics | Matthew Chase Griffing, Imran Sharif Vehra | 2021-07-13 |
| 11035981 | Air-hang calibration for resistivity-logging tool | Li-Te Pan, Yijing Fan | 2021-06-15 |
| 11035975 | Use of gap subs behind a coil antenna in electromagnetic induction tools | Paul Chin Ling Chang, Ilker R. Capoglu | 2021-06-15 |
| 11029440 | Methods and systems with estimated synchronization between modular downhole logging system modules | Matthew Chase Griffing, Christopher Golla | 2021-06-08 |
| 11015432 | Relative azimuth correction for resistivity inversion | Li-Te Pan | 2021-05-25 |
| 11008836 | Optimization of excitation source placement for downhole telemetry operations | Burkay Donderici, Yijing Fan | 2021-05-18 |
| 10996368 | Preselecting initial guesses for multi-step inversion using electromagnetic measurements | Weixin Dong, Li-Te Pan | 2021-05-04 |
| 10968735 | Deviated production well telemetry with assisting well/drillship | Yijing Fan, Li-Te Pan | 2021-04-06 |
| 10962676 | Signal processing of a multi-sub rotational resistivity logging tool | Jin Ma | 2021-03-30 |
| 10928542 | Method of determining full green's tensor with resistivity measurement | Li-Te Pan, Yijing Fan | 2021-02-23 |