| 11536128 |
Method for drilling wellbores utilizing drilling parameters optimized for stick-slip vibration conditions |
Gregory S. Payette |
2022-12-27 |
$934,456,000 |
| 11364705 |
Diamond-like-carbon based friction reducing tapes |
Lei Wang, Srinivasan Rajagopalan, Adnan Ozekcin, Mehmet Deniz Ertas, Erika A. O. Biediger |
2022-06-21 |
$640,064,000 |
| 11320552 |
Enhanced surveillance of subsurface operation integrity using neural network analysis of microseismic data |
Sri Venkata Tapovan Lolla, Simona O. Costin, Michael S. Hons, Helen Yam, Arslan Akhmetov +5 more |
2022-05-03 |
$365,106,000 |
| 10968730 |
Method of optimizing drilling ramp-up |
Lei Wang, Gregory S. Payette, Jeff H. Moss |
2021-04-06 |
$520,985,000 |
| 10921471 |
Enhanced surveillance of subsurface operation integrity using microseismic data |
Sri Venkata Tapovan Lolla, Simona O. Costin, Michael S. Hons, Helen Yam, Arslan Akhmetov +4 more |
2021-02-16 |
$205,213,000 |
| 10851639 |
Method for drilling wellbores utilizing a drill string assembly optimized for stick-slip vibration conditions |
Gregory S. Payette |
2020-12-01 |
$369,010,000 |
| 10662751 |
Drilling a wellbore |
Gregory S. Payette, Dar-Lon Chang, Darren Pais |
2020-05-26 |
$80,212,000 |
| 10352099 |
Methods for drilling a wellbore within a subsurface region and drilling assemblies that include and/or utilize the methods |
Benjamin J. Spivey, Gregory S. Payette, Darren Pais, Krishnan Kumaran, Lei Wang +1 more |
2019-07-16 |
$49,855,000 |
| 10337295 |
Methods to determine composite vibration indices of a drilling assembly |
Gregory S. Payette, Benjamin J. Spivey |
2019-07-02 |
$181,493,000 |
| 9598947 |
Automatic drilling advisory system based on correlation model and windowed principal component analysis |
Jingbo Wang, Krishnan Kumaran, Peng Xu, Steven F. Sowers, Lei Wang +3 more |
2017-03-21 |
$108,502,000 |
| 9482084 |
Drilling advisory systems and methods to filter data |
Dar-Lon Chang, Lei Wang, Paul E. Pastusek, Gregory S. Payette, Darren Pais |
2016-11-01 |
$301,768,000 |
| 9483586 |
Modeling and designing of well drilling system that accounts for vibrations |
Erika A. O. Biediger, Vishwas Gupta |
2016-11-01 |
$301,768,000 |
| 9436173 |
Drilling advisory systems and methods with combined global search and local search methods |
Lei Wang, Stephen M. Remmert, Paul E. Pastusek, Matthew T. Prim, Darren Pais +2 more |
2016-09-06 |
$310,213,000 |
| 9285794 |
Drilling advisory systems and methods with decision trees for learning and application modes |
Lei Wang, Stephen M. Remmert, Paul E. Pastusek, Matthew T. Prim, Dar-Lon Chang +1 more |
2016-03-15 |
$187,632,000 |
| 8977523 |
Methods to estimate downhole drilling vibration amplitude from surface measurement |
Mehmet Deniz Ertas, Damian N. Burch, Lei Wang, Paul E. Pastusek, Shankar Sundararaman |
2015-03-10 |
$146,989,000 |
| 8833467 |
Plunger lift systems and methods |
Ming Gong, Larry E. Harrison, Theodore W. Pirog, Robert D. Kaminsky, Pietro Valsecchi +1 more |
2014-09-16 |
$108,792,000 |
| 8798978 |
Methods to estimate downhole drilling vibration indices from surface measurement |
Mehmet Deniz Ertas, Damian N. Burch, Lei Wang, Paul E. Pastusek, Shankar Sundararaman |
2014-08-05 |
$237,519,000 |
| 8602113 |
Coated oil and gas well production devices |
Hyun-Woo Jin, Srinivasan Rajagopalan, Adnan Ozekcin, Tabassumul Haque, Mehmet Deniz Ertas +2 more |
2013-12-10 |
$146,910,000 |
| 8590627 |
Coated sleeved oil and gas well production devices |
Hyun-Woo Jin, Srinivasan Rajagopalan, Adnan Ozekcin, Tabassumul Haque, Mehmet Deniz Ertas +2 more |
2013-11-26 |
$122,914,000 |
| 8589136 |
Methods and systems for mitigating drilling vibrations |
Mehmet Deniz Ertas, Erika A. O. Biediger, Shankar Sundararaman, Vishwas Gupta, Narasimha-Rao Venkata Bangaru |
2013-11-19 |
$128,057,000 |
| 8561707 |
Ultra-low friction coatings for drill stem assemblies |
Hyun-Woo Jin, Srinivasan Rajagopalan, Adnan Ozekcin, Tabassumul Haque, Mehmet Deniz Ertas +2 more |
2013-10-22 |
$173,837,000 |
| 8504342 |
Modeling and designing of well drilling system that accounts for vibrations |
Erika A. O. Biediger, Vishwas Gupta |
2013-08-06 |
$76,373,000 |
| 8480789 |
Landfill gas purification method and system |
Cary V. Sorensen |
2013-07-09 |
|
| 8286715 |
Coated sleeved oil and gas well production devices |
Erika Ann Ooten Biediger, Narasimha-Rao Venkata Bangaru, Adnan Ozekcin, Hyun-Woo Jin, Mehmet Deniz Ertas +5 more |
2012-10-16 |
$157,765,000 |
| 8261841 |
Coated oil and gas well production devices |
Erika Ann Ooten Biediger, Narasimha-Rao Venkata Bangaru, Adnan Ozekcin, Hyun-Woo Jin, Charles S. Yeh +3 more |
2012-09-11 |
$89,729,000 |
