Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404110 | Conveying device and inspection system | Li Zhang, Zhiqiang Chen, Yuanjing Li, Qingping Huang, Liming Yao +3 more | 2025-09-02 |
| 12408258 | Hot cathode for an ion source of a neutron generator | Zilu Zhou, Lesley Allison Fessler | 2025-09-02 |
| 12396085 | Optimization of a target of a downhole neutron generator | James M. Price, Ali E. Abdou, Zilu Zhou, Jimmy Wayne Anders, Lesley Allison Fessler | 2025-08-19 |
| 12135402 | Algorithm-free, data-centric multivariate inversion for pulsed neutron logging | Mayir Mamtimin, Jeffrey James Crawford | 2024-11-05 |
| 12099163 | Intrinsic carbon oxygen for formation saturation and borehole holdup | Mayir Mamtimin, Jeffrey James Crawford | 2024-09-24 |
| 12072845 | Systems and methods for pair-wise delta compression | Xiaowen Wang, Lei Zhang, Paul Martin Messing, Chittibabu Pacharu, Kevin Alan Erickson +2 more | 2024-08-27 |
| 12038551 | Gamma spectral analysis | Mayir Mamtimin, Jeffrey James Crawford | 2024-07-16 |
| 11994647 | Compensated formation saturation using assisted physics and neural networks | Mayir Mamtimin, Jeffrey James Crawford | 2024-05-28 |
| 11854259 | Holdup measurement using quantized classification and categorized local regression | Mayir Mamtimin, Jeffrey James Crawford | 2023-12-26 |
| 11681070 | Three-component holdup measurement using pulsed neutron tool | Mayir Mamtimin, Jeffrey James Crawford | 2023-06-20 |
| 11635543 | Borehole density measurement using pulsed neutron tool | Mayir Mamtimin, Jeffrey James Crawford | 2023-04-25 |
| 11624855 | Holdup algorithm using assisted-physics neural networks | Mayir Mamtimin, Jeffrey James Crawford | 2023-04-11 |
| 11486838 | Method and system of a neutron tube | Paul Andrew Cooper | 2022-11-01 |
| 11480051 | Apply multi-physics principle for well integrity evaluation in a multi-string configuration | Yike Hu, Burkay Donderici | 2022-10-25 |
| 11204439 | Porosity determination using optimization of inelastic and capture count rates in downhole logging | — | 2021-12-21 |
| 11181660 | Evaluating drill-in fluid performance in a wellbore | Philip D. Nguyen, Jay Paul Deville | 2021-11-23 |
| 11143786 | Intrinsic geological formation carbon to oxygen ratio measurements | Shouxiang Mark Ma, Nacer Guergueb | 2021-10-12 |
| 10920568 | Evaluating cement integrity in a wellbore with multiple casing strings | Yike Hu | 2021-02-16 |
| 10895661 | Determination of near wellbore properties using natural gamma rays | Qingzhen Guo, Dongwon Lee, Daniel F. Dorffer | 2021-01-19 |
| 10884159 | Logging with joint ultrasound and X-ray technologies | Zhijuan Zhang, Sriram Srinivasan | 2021-01-05 |
| 10753193 | Heterogeneity profiling analysis for volumetric void space cement evaluation | Yike Hu | 2020-08-25 |
| 10677040 | Material evaluation using nuclear logging tool | Yike Hu | 2020-06-09 |
| 10634811 | Downhole neutron generators and methods to generate neutrons in a downhole environment | Juan Navarro Sorroche | 2020-04-28 |
| 10605954 | Simultaneous evaluation of the volume and the position of voids in downhole cement | Yike Hu | 2020-03-31 |
| 10551523 | Evaluating and imaging volumetric void space location for cement evaluation | Yike Hu | 2020-02-04 |