Issued Patents All Time
Showing 76–100 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584576 | Well ranging apparatus, systems, and methods | Yijing Fan | 2020-03-10 |
| 10557342 | Surface excitation ranging methods and systems employing a customized grounding arrangement | Akram Ahmadi Kalateh Ahmad | 2020-02-11 |
| 10557960 | Well ranging apparatus, methods, and systems | Anand Prakash, Yijing Fan | 2020-02-11 |
| 10539004 | Well ranging apparatus, systems, and methods | Akram Ahmadi Kalateh Ahmad | 2020-01-21 |
| 10508533 | Well ranging apparatus, systems, and methods | — | 2019-12-17 |
| 10436930 | Tunable dipole moment for formation measurements | Jin Ma, Joseph Keith Young | 2019-10-08 |
| 10408041 | Well ranging apparatus, systems, and methods | Burkay Donderici | 2019-09-10 |
| 10408963 | Measurement calibration apparatus, methods, and systems | Luis Emilio San Martin | 2019-09-10 |
| 10386526 | Methods and systems for determining formation properties and pipe properties using ranging measurements | Burkay Donderici | 2019-08-20 |
| 10358911 | Tilted antenna logging systems and methods yielding robust measurement signals | Burkay Donderici, Michael S. Bittar | 2019-07-23 |
| 10344571 | Optimization of excitation source placement for downhole ranging and telemetry operations | Burkay Donderici, Yijing Fan | 2019-07-09 |
| 10324219 | Identifying unconventional formations | — | 2019-06-18 |
| 10310135 | Calibration of gradiometer tools using current loop with finite dimension and ranging operation | — | 2019-06-04 |
| 10301926 | Casing detection tools and methods | Michael S. Bittar | 2019-05-28 |
| 10295697 | Determination of true formation resistivity | Michael S. Bittar | 2019-05-21 |
| 10273799 | Well ranging apparatus, systems, and methods | Brian Roberson, Randal Thomas Beste | 2019-04-30 |
| 10273794 | Electromagnetic ranging with azimuthal electromagnetic logging tool | Burkay Donderici | 2019-04-30 |
| 10227863 | Well ranging apparatus, methods, and systems | Yijing Fan, Akram Ahmadi Kalateh Ahmad | 2019-03-12 |
| 10197699 | Logging while drilling (LWD) steering visualization tool methods and systems | Burkay Donderici | 2019-02-05 |
| 10145232 | Methods and apparatus for multi-well ranging determination | Burkay Donderici, Yijing Fan | 2018-12-04 |
| 10145234 | Casing detection tools and methods | Michael S. Bittar | 2018-12-04 |
| 10125546 | Apparatus and methods for geosteering | Burkay Donderici | 2018-11-13 |
| 10077637 | Deep formation evaluation systems and methods | Burkay Donderici, Robert Wayne Pennison | 2018-09-18 |
| 10072499 | Signal processing methods for steering to an underground target | Michael S. Bittar | 2018-09-11 |
| 10024104 | Improving geosteering inversion using look-ahead look-around electromagnetic tool | Burkay Donderici, Jason D. Dykstra, Yuzhen Xue | 2018-07-17 |