Issued Patents 2023
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815643 | Selection and removal of acoustic baseline signal for enhanced cement bond evaluation | Ruijia Wang, Xiang Wu | 2023-11-14 |
| 11774619 | Reduction of a tool wave excited by a transmitter of a well logging tool | Ruijia Wang, Jing Jin | 2023-10-03 |
| 11746644 | Measuring low-frequency casing guided waves to evaluate cement bond condition behind casing in the presence of a tubing | Ruijia Wang | 2023-09-05 |
| 11733419 | Removal of signal ringdown noise | Xiang Wu, Jing Jin | 2023-08-22 |
| 11674383 | Acoustic beamforming techniques with simultaneous acoustic velocity estimation | Yadong Wang, Xiang Wu | 2023-06-13 |
| 11662496 | Through tubing acoustic measurements | Brenno Caetano Troca Cabella, Ruijia Wang, Chung Chang, Qingtao Sun, Xiang Wu +3 more | 2023-05-30 |
| 11656382 | Leak induced guided wave amplitude log for downhole leakage localization | Ruijia Wang, Xiang Wu, Jing Jin | 2023-05-23 |
| 11639460 | Nanometer self-locking bentonite film-forming agent, method for preparing the same, and film-forming drilling fluid | Wenxin Dong, Xiaolin Pu, Jinyang Fan, Wenhao Liu, Siyi Chen +8 more | 2023-05-02 |
| 11592591 | Through tubing acoustic measurements to determine material discontinuities | Brenno Caetano Troca Cabella, Ruijia Wang, Xiang Wu | 2023-02-28 |
| 11566510 | Ultrasonic echo locating in a wellbore using time gain compensation | Jing Jin, Xiang Wu | 2023-01-31 |
| 11554387 | Ringdown controlled downhole transducer | Jing Jin, Ruijia Wang | 2023-01-17 |