Issued Patents 2025
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416232 | Real-time tool mode waveform removal | Jiajun Zhao, Brenda Sue Jonathan | 2025-09-16 |
| 12386091 | Single-well reflected horizontal shear wave imaging with mixed types of transmitters and receivers | Brian E. Hornby | 2025-08-12 |
| 12360266 | Acoustic transducer with piezoelectric elements having different polarities | Jiajun Zhao, Jing Jin, Chung Chang | 2025-07-15 |
| 12345845 | Fluid phase discrimination and acoustic velocity estimation by measuring guided-wave speed | Yadong Wang, Jichun Sun, Xiang Wu | 2025-07-01 |
| 12297733 | Azimuthal scanning of a wellbore for determination of a cement-bond condition and for detecting/locating a leak source | Yao Ge, Jing Jin, Xiang Wu | 2025-05-13 |
| 12265062 | Through tubing cement evaluation using converted multipole resonance mode | Yao Ge, Ho Yin Ma | 2025-04-01 |
| 12234716 | Multi-pole resonance based through tubing cement evaluation | Yao Ge, Ho Yin Ma, Xiang Wu | 2025-02-25 |
| 12196908 | Through tubing cement evaluation based on casing extensional waves | Yao Ge, Brenno Caetano Troca Cabella, Chung Chang, Jing Jin, Ho Yin Ma +1 more | 2025-01-14 |