Issued Patents All Time
Showing 176–200 of 319 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422913 | Metamaterial-based electromagnetic field measurement device | Ahmed Elsayed Fouda | 2019-09-24 |
| 10416339 | Homogeneous inversion for multi-component induction tools | Dagang Wu, Luis Emilio San Martin | 2019-09-17 |
| 10408793 | Minimizing azimuthal current induced on tubulars by transmitters | Ilker R. Capoglu | 2019-09-10 |
| 10408044 | Methods and systems employing fiber optic sensors for ranging | Glenn Andrew Wilson | 2019-09-10 |
| 10408041 | Well ranging apparatus, systems, and methods | Hsu-Hsiang Wu | 2019-09-10 |
| 10401533 | Electromagnetic sensing apparatus for borehole acoustics | Clovis Bonavides, Oleg Bondarenko, Boguslaw Wiecek | 2019-09-03 |
| 10401529 | Fast-changing dip formation resistivity estimation | Dagang Wu, Luis Emilio San Martin | 2019-09-03 |
| 10400589 | Log processing and fracture characterization in biaxially anisotropic formations | Junsheng Hou, Dagang Wu | 2019-09-03 |
| 10400586 | Sensing characteristics in a subterranean earth formation | Michael S. Bittar | 2019-09-03 |
| 10393703 | Multi-point in situ calibration of electromagnetic pipe inspection tools | Ahmed Elsayed Fouda, Luis Emilio San Martin | 2019-08-27 |
| 10392932 | Through-casing fiber optic electrical system for formation monitoring | Glenn Andrew Wilson, Ahmed Elsayed Fouda | 2019-08-27 |
| 10386526 | Methods and systems for determining formation properties and pipe properties using ranging measurements | Hsu-Hsiang Wu | 2019-08-20 |
| 10386318 | Roller cone resistivity sensor | Richard Thomas Hay | 2019-08-20 |
| 10385681 | Cross-coupling based fluid front monitoring | Roland E. Chemali, Dagang Wu, Michael S. Bittar, Luis Emilio San Martin | 2019-08-20 |
| 10365395 | Multi-component induction logging systems and methods using blended-model inversion | Dagang Wu, Junsheng Hou | 2019-07-30 |
| 10359536 | Surface calibration of a wellbore resistivity logging tool | — | 2019-07-23 |
| 10358911 | Tilted antenna logging systems and methods yielding robust measurement signals | Hsu-Hsiang Wu, Michael S. Bittar | 2019-07-23 |
| 10359535 | Electrode-based tool measurement corrections based on measured leakage currents | Luis Emilio San Martin, Ahmed Elsayed Fouda | 2019-07-23 |
| 10353090 | Time-based processing of broadband borehole acoustic data | — | 2019-07-16 |
| 10344587 | Detecting sliding sleeve position using electrode-type logging | Ahmed Elsayed Fouda | 2019-07-09 |
| 10344571 | Optimization of excitation source placement for downhole ranging and telemetry operations | Hsu-Hsiang Wu, Yijing Fan | 2019-07-09 |
| 10338265 | Using an array of sensors between two transmitters in an eddy current logging environment | Luis Emilio San Martin, Reza Khalaj Amineh | 2019-07-02 |
| 10317565 | Induction logging borehole correction for water-based mud | Glenn Andrew Wilson | 2019-06-11 |
| 10317563 | Frequency ratiometric processing of resistivity logging tool data | Rencheng Song, Glenn Andrew Wilson, Paul F. Rodney | 2019-06-11 |
| 10317562 | Cross-coupling compensation via complex-plane based extrapolation of frequency dependent measurements | Luis Emilio San Martin, Bill Schaecher | 2019-06-11 |