Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360266 | Acoustic transducer with piezoelectric elements having different polarities | Jiajun Zhao, Jing Jin, Ruijia Wang | 2025-07-15 |
| 12196908 | Through tubing cement evaluation based on casing extensional waves | Ruijia Wang, Yao Ge, Brenno Caetano Troca Cabella, Jing Jin, Ho Yin Ma +1 more | 2025-01-14 |
| 12078052 | Tubing eccentricity evaluation using acoustic signals | Brenno Caetano Troca Cabella, Xiang Wu, Marco Aurelio Luzio, Pablo Vieira Rego, Federico Combis Lucas +3 more | 2024-09-03 |
| 12022736 | Acoustic sensor self-induced interference control | Jing Jin, Richard Timothy Coates | 2024-06-25 |
| 11994642 | Method and apparatus for geophysical formation evaluation measurements behind casing | Kristoffer Thomas Walker, John Philip Granville | 2024-05-28 |
| 11927712 | Downhole ultrasound image correction in oil based mud | Yu Weng, Peng Li, Richard Timothy Coates, Rodney Allen Marlow, Xiang Wu +2 more | 2024-03-12 |
| 11840924 | Short and wideband isolator for acoustic tools | Jing Jin, Gary Kainer | 2023-12-12 |
| 11808136 | Through-tubing, cased-hole sealed material evaluation using acoustic measurements | Pablo Vieira Rego, Randolph S. Coles, Jeffrey James Crawford | 2023-11-07 |
| 11770975 | Acoustic sensor self-induced interference control | Jing Jin, Richard Timothy Coates | 2023-09-26 |
| 11662495 | Sonic through tubing cement evaluation | Qingtao Sun, Randolph S. Coles, Federico Combis Lucas | 2023-05-30 |
| 11662496 | Through tubing acoustic measurements | Brenno Caetano Troca Cabella, Ruijia Wang, Qingtao Sun, Yao Ge, Xiang Wu +3 more | 2023-05-30 |
| 11650346 | Downhole acoustic measurement | Qingtao Sun, Andrew Clair Colbert | 2023-05-16 |
| 11578592 | Robust logging-while-drilling sonic transmitters with improved strength and bandwidth | Michael Shaun Spencer, Peng Li, Jing Jin, Jose Sanchez, Haoshi Song | 2023-02-14 |
| 11550073 | Enhanced-resolution rock formation body wave slowness determination from borehole guided waves | Ruijia Wang | 2023-01-10 |
| 11519255 | Downhole tool dynamic and motion measurement with multiple ultrasound transducer | Peng Li, Yu Weng, Rodney Allen Marlow, Boguslaw Wiecek | 2022-12-06 |
| 11512586 | Logging while drilling tool | Qingtao Sun, Richard Timothy Coates | 2022-11-29 |
| 11435493 | Enhanced waveform analysis for target modes of borehole waves | Ruijia Wang | 2022-09-06 |
| 11415720 | Downhole ultrasound image correction in oil based mud | Yu Weng, Peng Li, Richard Timothy Coates, Rodney Allen Marlow, Xiang Wu +2 more | 2022-08-16 |
| 11385374 | Borehole dispersive wave processing with automatic dispersion matching for compressional and shear slowness | Ruijia Wang, Gary Kainer, Joonshik Kim | 2022-07-12 |
| 11293904 | Acoustic receivers with cylindrical crystals | Minh Dang Nguyen, Clinton Keith Bates | 2022-04-05 |
| 11280926 | Hydrophone having no internal leads | Yee Siang Teh, Ife Ogbunuju | 2022-03-22 |
| 11243326 | Borehole imaging using amplitudes of refracted acoustic waves | Yao Ge, Wei Li, Jing Jin | 2022-02-08 |
| 11209565 | High precision acoustic logging processing for compressional and shear slowness | Ruijia Wang, Kristoffer Thomas Walker, Baichun Sun | 2021-12-28 |
| 11143777 | Quadruple transmitter and methods to determine wave velocities of a downhole formation | Jing Jin | 2021-10-12 |
| 11112519 | Automatic slowness-frequency range determination for advanced borehole sonic data processing | Ruijia Wang, John Philip Granville, Baichun Sun | 2021-09-07 |