Issued Patents All Time
Showing 1–25 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392923 | Resistivity logging in sliding mode | Yi Jing Fan, Jin Ma | 2025-08-19 |
| 12326078 | Effective resistivity models for geosteering decisions | Dagang Wu | 2025-06-10 |
| 12152488 | Look-ahead resistivity configuration | Michael S. Bittar | 2024-11-26 |
| 12123301 | Iterative clustering for geosteering inversion | Li-Te Pan, Ting Yan | 2024-10-22 |
| 12060789 | Scaling factor for calibrating antennas of a wellbore tool | Yijing Fan, Li-Te Pan, Jin Ma | 2024-08-13 |
| 12044819 | Resistivity determination from one transmitter and one receiver antennas | Jin Ma, Clint P. Lozinsky, Yi Jing Fan | 2024-07-23 |
| 11953639 | Cross-component response interpolation for coaxially oriented antennas in an electromagnetic tool | Yijing Fan, Jin Ma, Li-Te Pan | 2024-04-09 |
| 11940587 | Accurate and cost-effective inversion-based auto calibration methods for resistivity logging tools | Li-Te Pan, Yi Jing Fan, Jin Ma | 2024-03-26 |
| 11898435 | Correcting borehole images using machine-learning models | Li-Te Pan, Yijing Fan, Jin Ma | 2024-02-13 |
| 11885925 | System and methods for evaluating a formation using pixelated solutions of formation data | Jin Ma, Clint P. Lozinsky, Li-Te Pan | 2024-01-30 |
| 11874425 | Compound signal for logging while drilling resistivity inversion | Li-Te Pan, Yi Jing Fan, Jin Ma | 2024-01-16 |
| 11876567 | Electromagnetic tool calibration for tilted antennas with undetermined orientation angles | Yijing Fan, Jin Ma, Li-Te Pan | 2024-01-16 |
| 11782180 | Mixed air-hang response for correcting a formation signal of a mixed set measuring device | Jin Ma, Li-Te Pan, Yijing Fan | 2023-10-10 |
| 11740380 | Minimal electronic sensor collars | Matthew Chase Griffing, Clint P. Lozinsky, Michael S. Bittar | 2023-08-29 |
| 11680479 | Multiple surface excitation method for determining a location of drilling operations to existing wells | Yijing Fan, Li-Te Pan | 2023-06-20 |
| 11674378 | Downhole ranging using 3D magnetic field and 3D gradient field measurements | Michael S. Bittar, Yijing Fan | 2023-06-13 |
| 11605872 | Tilted angle selection of collocated antennas on downhole resistivity tools | Yijing Fan, Jin Ma | 2023-03-14 |
| 11604304 | In-situ calibration for multi-component signals | Yi Jing Fan, Li-Te Pan, Jin Ma | 2023-03-14 |
| 11603750 | Real-time calibration of excitation ranging for tracking wellbore drilling | Yijing Fan, Li-Te Pan | 2023-03-14 |
| 11574459 | Distance-to-bed-boundary inversion solution pixelation | Rencheng Song, Li-Te Pan | 2023-02-07 |
| 11555393 | Electromagnetic ranging with azimuthal electromagnetic logging tool | Burkay Donderici | 2023-01-17 |
| 11549365 | Downhole logging tool incorporating metamaterial | Yijing Fan, Li-Te Pan | 2023-01-10 |
| 11543558 | Orientation determination and calibration of electromagnetic resistivity tools | Yi Jing Fan, Weixin Dong | 2023-01-03 |
| 11543552 | Determining distance to bed boundary uncertainty for borehole drilling | Jin Ma, Clint P. Lozinsky | 2023-01-03 |
| 11525353 | System and methods for evaluating a formation using pixelated solutions of formation data | Rencheng Song, Li-Te Pan | 2022-12-13 |