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Long-stroke pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr. +3 more |
2025-09-30 |
| 12203359 |
Pumping unit inspection sensor assembly, system and method |
Clark E. Robison |
2025-01-21 |
| 12116992 |
Long-stroke pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr. +3 more |
2024-10-15 |
| 12078045 |
Method for counting restrictions in a subterranean wellbore |
— |
2024-09-03 |
| 11781543 |
Long-stroke pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr. +3 more |
2023-10-10 |
| 11339643 |
Pumping unit inspection sensor assembly, system and method |
Clark E. Robison |
2022-05-24 |
| 11174856 |
Apparatus and methods for counterbalancing a pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Ross E. MOFFETT, Phillip Andrew Briggs, Brent W. Pickens +2 more |
2021-11-16 |
| 11078766 |
Jet pump controller with downhole prediction |
Michael C. Knoeller, Clark E. Robison, Manish Agarwal |
2021-08-03 |
| 11009022 |
Pumping unit counterweight balancing |
Clark E. Robison, Alexander D. King, Behrouz Ebrahimi, Milo B. Woodward, Jeremy M. Gomes |
2021-05-18 |
| 10844852 |
Long-stroke pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr. +3 more |
2020-11-24 |
| 10598172 |
Pumping unit counterweight balancing |
Clark E. Robison, Alexander D. King, Behrouz Ebrahimi, Milo B. Woodward, Jeremy M. Gomes |
2020-03-24 |
| 10546159 |
System and method for handling pumping units in out-of-balance condition |
Victoria M. Pons, Lewis Lu, Jordan F. Teichman, Chen-Wei Lin, Behrouz Ebrahimi |
2020-01-28 |
| 10196883 |
Long-stroke pumping unit |
Clark E. Robison, Benson Thomas, William C. Lane, Darius J. Yakimchuk, Jeffrey J. Lembcke +3 more |
2019-02-05 |
| 10113544 |
Long-stroke pumping unit |
Clark E. Robison, Jeffrey J. Lembcke, Victoria M. Pons, William Kevin Hall, John Edward Stachowiak, Jr. +3 more |
2018-10-30 |
| 9976398 |
Sensing in artificial lift systems |
Manish Agarwal, Paul M. Lachin, Ross E. MOFFETT, Stephen E. Cannon |
2018-05-22 |
| 9140113 |
Instrumented rod rotator |
Gregg W. Hurst, Jeffrey J. Lembcke |
2015-09-22 |