Issued Patents All Time
Showing 26–50 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11520071 | Multi-step inversion using electromagnetic measurements | Weixin Dong | 2022-12-06 |
| 11512585 | Reentry and/or redrilling ranging using focused electrode virtual sets and simulated rotation | Joseph Keith Young, Paul F. Rodney | 2022-11-29 |
| 11467312 | Determination of borehole characteristics using orientation components of azimuthal electromagnetic signals | Li-Te Pan, Yijing Fan | 2022-10-11 |
| 11467316 | Technologies for in-situ calibration of magnetic field measurements | Wenquan Li, Faisal Shah, Brian Roberson | 2022-10-11 |
| 11467318 | Inversion processing of well log data | Glenn Andrew Wilson, Rencheng Song | 2022-10-11 |
| 11459870 | 1-d inversion process for determining formation properties ahead of a drill bit in a subsurface formation | Jin Ma, Michael S. Bittar | 2022-10-04 |
| 11459868 | Multi-well ranging and drill path determination | Yijing Fan, Burkay Donderici, Li-Te Pan | 2022-10-04 |
| 11442196 | Systems and methods to calibrate individual component measurement | — | 2022-09-13 |
| 11435497 | Three dimensional visualization from point-by-point one dimensional inversion with bed azimuth | Michael S. Bittar, Weixin Dong | 2022-09-06 |
| 11434750 | Determination on casing and formation properties using electromagnetic measurements | Weixin Dong, Jin Ma, Christopher Golla | 2022-09-06 |
| 11402533 | Ranging and resistivity evaluation using current signals | Burkay Donderici | 2022-08-02 |
| 11391859 | Determining formation properties in a geological formation using an inversion process on a modified response matrix associated with a downhole tool | Li-Te Pan, Weixin Dong, Yijing Fan | 2022-07-19 |
| 11346208 | Correction method for end-of-pipe effect on magnetic ranging | Yijing Fan, Burkay Donderici, Li-Te Pan | 2022-05-31 |
| 11339644 | Optimization of ranging measurements | Akram Ahmadi Kalateh Ahmad, Burkay Donderici | 2022-05-24 |
| 11320561 | Machine learning for evaluating and catergorizing inversion solutions | Weixin Dong | 2022-05-03 |
| 11320560 | Downhole ranging using spatially continuous constraints | Glenn Andrew Wilson | 2022-05-03 |
| 11320559 | Stacked soft magnetic inserts and slotted shield designs for titled coil antennas | Michael S. Bittar, Jin Ma | 2022-05-03 |
| 11299978 | Multi-layer distance to bed boundary (DTBB) inversion with multiple initial guesses | Rencheng Song, Li-Te Pan | 2022-04-12 |
| 11215733 | Methods to configure a downhole electromagnetic tool and downhole electromagnetic tool calibration systems | Jin Ma, Yijing Fan | 2022-01-04 |
| 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 |