Lungwitz; Bernhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lungwitz; Bernhard.The latest application filed is for "methods of forming near wellbore barriers and reducing backwashing of proppants".
- Lungwitz; Bernhard - Houston TX
- LUNGWITZ; Bernhard - Wuerzburg DE
- Lungwitz; Bernhard - Rio de Janeiro BR
- Lungwitz; Bernhard - Vernal UT US
- Lungwitz; Bernhard - Bavaria DE
- Lungwitz; Bernhard - Tyumen RU
- Lungwitz; Bernhard - Stafford TX
| Patent | Date |
|---|---|
| Cellulose nanofibers in extended cement systems Grant 11,319,476 - Yakovlev , et al. May 3, 2 | 2022-05-03 |
| Methods Of Forming Near Wellbore Barriers And Reducing Backwashing Of Proppants App 20220074294 - USOLTSEV; Dmitriy ; et al. | 2022-03-10 |
| Cellulose Nanofibers In Extended Cement Systems App 20200377778 - Yakovlev; Andrey ; et al. | 2020-12-03 |
| Methods of zonal isolation and treatment diversion Grant 10,808,497 - Potapenko , et al. October 20, 2 | 2020-10-20 |
| Cellulose Nanofibers In Extended Cement Systems App 20190309211 - Yakovlev; Andrey ; et al. | 2019-10-10 |
| Compositons and methods for curing lost circulation Grant 10,040,985 - Minikh , et al. August 7, 2 | 2018-08-07 |
| Methods Of Zonal Isolation And Treatment Diversion App 20170198191 - Potapenko; Dmitriy Ivanovich ; et al. | 2017-07-13 |
| Compositons And Methods For Curing Lost Circulation App 20170152428 - MINIKH; Olga Alexandrovna ; et al. | 2017-06-01 |
| Compositions and methods for reducing fluid loss Grant 9,611,716 - Daou , et al. April 4, 2 | 2017-04-04 |
| Swellable elastomer and its use in acidizing or matrix stimulation Grant 9,556,703 - Daou , et al. January 31, 2 | 2017-01-31 |
| Treatment Fluid And Method App 20160102242 - Fedorov; Andrey ; et al. | 2016-04-14 |
| Friction reduction fluids Grant 9,034,802 - Ahrenst , et al. May 19, 2 | 2015-05-19 |
| Methods for Maintaining Zonal Isolation in A Subterranean Well App 20140110114 - Daou; Fatma ; et al. | 2014-04-24 |
| Compositions And Methods For Reducing Fluid Loss App 20140090895 - Daou; Fatma ; et al. | 2014-04-03 |
| Swellable Elastomer And Its Use In Acidizing Or Matrix Stimulation App 20140090844 - Daou; Fatma ; et al. | 2014-04-03 |
| Treatment Fluid And Method App 20130310285 - Fedorov; Andrey ; et al. | 2013-11-21 |
| Additive to Fluid for The Treatment of Subterranean Formation and A Method for Treating Subterranean Formation App 20130168096 - Parkhonyuk; Sergey Dmitrievich ; et al. | 2013-07-04 |
| Treatment And Reuse Of Oilfield Produced Water App 20110166050 - Li; Leiming ; et al. | 2011-07-07 |
| Methods of treating wellbores with recyclable fluids Grant 7,776,796 - Shapovalov , et al. August 17, 2 | 2010-08-17 |
| System, Method, and Apparatus for Combined Fracturing Treatment and Scale Inhibition App 20090038799 - Garcia-Lopez de Victoria; Marieliz ; et al. | 2009-02-12 |
| Treatment and Reuse of Oilfield Produced Water App 20080287323 - Li; Leiming ; et al. | 2008-11-20 |
| Methods for controlling fluid loss Grant 7,350,572 - Fredd , et al. April 1, 2 | 2008-04-01 |
| Friction Reduction Fluids App 20080064614 - Ahrenst; Alex ; et al. | 2008-03-13 |
| Self diverting matrix acid Grant 7,299,870 - Garcia-Lopez De Victoria , et al. November 27, 2 | 2007-11-27 |
| Methods of Treating Wellbores with Recyclable Fluids App 20070215355 - Shapovalov; Alexander ; et al. | 2007-09-20 |
| Methods for controlling fluid loss App 20060042797 - Fredd; Christopher ; et al. | 2006-03-02 |
| Viscosity reduction of viscoelastic surfactant based fluids Grant 6,881,709 - Nelson , et al. April 19, 2 | 2005-04-19 |
| Viscoelastic surfactant fluids stable at high brine concentrations Grant 6,762,154 - Lungwitz , et al. July 13, 2 | 2004-07-13 |
| Viscoelastic surfactant fluids stable at high brine concentrations App 20020033260 - Lungwitz, Bernhard ; et al. | 2002-03-21 |
| Viscosity reduction of viscoelastic surfactant based fluids App 20020004464 - Nelson, Erik B. ; et al. | 2002-01-10 |
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