Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384952 | Composite cement compositions and methods of cementing and/or treating wells drilled with water-based drilling fluids | Valerie Gisele Helene Lafitte, Dean M. Willberg | 2025-08-12 |
| 12305115 | Spacer fluids containing swellable abrasive particles | Dominic Vincent Perroni | 2025-05-20 |
| 12158055 | Methods for shortening waiting-on-cement time in a subterranean well | Dominic Vincent Perroni, Bipin Jain, Carlos Abad, Christopher Daeffler | 2024-12-03 |
| 12049586 | Cement compositions and methods | Dipti Singh, Robert L. Sammler, Tzu-Chi Kuo, Ron Weeks, Dominic Vincent Perroni | 2024-07-30 |
| 11898415 | Cement compositions and methods | Dominic Vincent Perroni, Laure Martin-Al-Khatib, Adam Ethan Keilers, Petr Kolchanov | 2024-02-13 |
| 11898088 | Cement compositions and methods | Yan Gao, Dominic Vincent Perroni, Andrey Vladimirovich Yakovlev | 2024-02-13 |
| 11136869 | Method for detecting a fracture position in a well (variants) | Sergey Vladimirovich Semenov, Fedor Nikolaevich Litvinets | 2021-10-05 |
| 10174568 | Methods for treating a subterranean well | Nikita Yurievich Silko, Daniel Kalinin, Ashley Watling | 2019-01-08 |
| 10030495 | Heterogeneous proppant placement in a fracture with removable extrametrical material fill | Fedor Nikolaevich Litvinets, Andrey Vladimirovich Bogdan, Sergey Makarychev-Mikhailov, Oleg Medvedev, Alejandro Pena +8 more | 2018-07-24 |
| 9879174 | Method of fluid slug consolidation within a fluid system in downhole applications | Alexander Igorevich Titkov | 2018-01-30 |
| 9863230 | Heterogeneous proppant placement in a fracture with removable extrametrical material fill | Fedor Nikolaevich Litvinets, Andrey Vladimirovich Bogdan, Sergey Mikhailovich Makarychev-Mikhaliov, Oleg Medvedev, Alejandro Pena +8 more | 2018-01-09 |
| 9797232 | Method of propping agent delivery to the well | Oleg Medvedev, John Lassek | 2017-10-24 |
| 9670764 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, James E. Brown, Dean M. Willberg, Ivan Vitalievich Kosarev, Jonathan E. Abbott +1 more | 2017-06-06 |
| 9528351 | Gravel and fracture packing using fibers | Konstantin Viktorovich Vidma, Mohan Kanaka Raju Panga, Balkrishna Gadiyar, Ivan Sergeyevich Glaznev, Raymond J. Tibbles +1 more | 2016-12-27 |
| 9447673 | Methods for providing proppant slugs in fracturing treatments | Oleg Medvedev, Alexander Vuacheslavovich Mikhaylov, Christopher N. Fredd, Kreso Kurt Butula, John Lassek +2 more | 2016-09-20 |
| 9085727 | Heterogeneous proppant placement in a fracture with removable extrametrical material fill | Fedor Nikolaevich Litvinets, Andrey Vladimirovich Bogdan, Sergey Makarychev-Mikhailov, Oleg Medvedev, Alejandro Pena +8 more | 2015-07-21 |
| 8960293 | Method of propping agent delivery to the well | Oleg Medvedev, John Lassek | 2015-02-24 |
| 8763699 | Heterogeneous proppant placement in a fracture with removable channelant fill | Oleg Medvedev, Alejandro Pena, Timothy Lesko, J. Ernest Brown, Dean M. Willberg +1 more | 2014-07-01 |
| 8757259 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Ivan Vitalievich Kosarev, Jonathan E. Abbott +1 more | 2014-06-24 |
| 8636065 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Ivan Vitalievich Kosarev | 2014-01-28 |
| 8540024 | Perforation strategy for heterogeneous proppant placement in hydraulic fracturing | Ivan Vitalievich Kosarev, Oleg Medvedev, Ian C. Walton | 2013-09-24 |
| 8490700 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Ivan Vitalievich Kosarev | 2013-07-23 |
| 8066068 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Ivan Vitalievich Kosarev | 2011-11-29 |
| 7931089 | Proppant and methods of use | Matthew J. Miller, Dean M. Willberg, Marina Bulova | 2011-04-26 |
| 7581590 | Heterogeneous proppant placement in a fracture with removable channelant fill | Timothy Lesko, J. Ernest Brown, Dean M. Willberg, Ivan Vitalievich Kosarev | 2009-09-01 |