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Systems and methods for detecting kick and well flow |
Yuan Zhang |
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| 11142963 |
Optimized coiled tubing string design and analysis for extended reach drilling |
Oluwafemi I. Oyedokun, Gareth M. Braund |
2021-10-12 |
| 11098548 |
Drillstring with a bottom hole assembly having multiple agitators |
Yuan Zhang |
2021-08-24 |
| 11028659 |
Systems and method utilizing piezoelectric materials to mitigate or eliminate stick-slip during drilling |
Gangbing Song, Devendra Patil, Qingzhao Kong |
2021-06-08 |
| 11015424 |
Geosteering based on automated well performance prediction |
Umesh N. Reddy, Krishna Chaitanya Nunna, Paola Alejandra Perez Pena |
2021-05-25 |
| 10995556 |
Drill bits with stick-slip resistance |
Mark E. Williams |
2021-05-04 |
| 10975679 |
Drilling modeling calibration, including estimation of drill string stretch and twist |
— |
2021-04-13 |
| 10968732 |
Tubular wear volume determination using elasticity correction |
— |
2021-04-06 |
| 10961786 |
Tubular wear volume determination using adjustable wear factors |
— |
2021-03-30 |
| 10922455 |
Methods and systems for modeling an advanced 3-dimensional bottomhole assembly |
Cili Sun, Alp Kozak, Alfred Fung |
2021-02-16 |
| 10907468 |
Automated wellbore trajectory control |
— |
2021-02-02 |
| 10883360 |
Estimation of wellbore dogleg from tool bending moment measurements |
— |
2021-01-05 |