Lassek; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lassek; John.The latest application filed is for "method of propping agent delivery to the well".
- Lassek; John - Katy TX
- LASSEK; John - US TX
| Patent | Date |
|---|---|
| Method of propping agent delivery to the well Grant 9,797,232 - Medvedev , et al. October 24, 2 | 2017-10-24 |
| Methods for providing proppant slugs in fracturing treatments Grant 9,447,673 - Medvedev , et al. September 20, 2 | 2016-09-20 |
| Sealing by ball sealers Grant 9,316,087 - Boney , et al. April 19, 2 | 2016-04-19 |
| Method Of Propping Agent Delivery To The Well App 20160024903 - MEDVEDEV; Oleg ; et al. | 2016-01-28 |
| Diversion by combining dissolvable and degradable particles and fibers Grant 9,212,535 - Tippel , et al. December 15, 2 | 2015-12-15 |
| Friction reduction fluids Grant 9,034,802 - Ahrenst , et al. May 19, 2 | 2015-05-19 |
| Sealing By Ball Sealers App 20150129214 - Boney; Curtis L. ; et al. | 2015-05-14 |
| Method of propping agent delivery to the well Grant 8,960,293 - Medvedev , et al. February 24, 2 | 2015-02-24 |
| Sealing by ball sealers Grant 8,936,085 - Boney , et al. January 20, 2 | 2015-01-20 |
| Method and system for treating a subterranean formation using diversion Grant 8,646,529 - Clark , et al. February 11, 2 | 2014-02-11 |
| Method And System For Treating A Subterranean Formation Using Diversion App 20130168082 - Clark; W. E. ; et al. | 2013-07-04 |
| Methods for Providing Proppant Slugs in Fracturing Treatments App 20130105166 - Medvedev; Anatoly Vladimirovich ; et al. | 2013-05-02 |
| Method and system for treating a subterranean formation using diversion Grant 8,220,543 - Clark , et al. July 17, 2 | 2012-07-17 |
| Degradable material assisted diversion or isolation Grant 8,167,043 - Willberg , et al. May 1, 2 | 2012-05-01 |
| Method for oilfield material delivery Grant 8,127,844 - Luharuka , et al. March 6, 2 | 2012-03-06 |
| Diversion By Combining Dissolvable And Degradable Particles And Fibers App 20110226479 - Tippel; Philipp ; et al. | 2011-09-22 |
| Method And System For Treating A Subterranean Formation Using Diversion App 20110186298 - Clark; W. E. ; et al. | 2011-08-04 |
| Method and system for treating a subterranean formation using diversion Grant 7,934,556 - Clark , et al. May 3, 2 | 2011-05-03 |
| Method Of Propping Agent Delivery To The Well App 20100282464 - Medvedev; Oleg Olegovich ; et al. | 2010-11-11 |
| Apparatus and Method for Oilfield Material Delivery App 20100243255 - Luharuka; Rajesh ; et al. | 2010-09-30 |
| Degradable material assisted diversion or isolation Grant 7,775,278 - Willberg , et al. August 17, 2 | 2010-08-17 |
| Sealing By Ball Sealers App 20090255674 - Boney; Curtis L. ; et al. | 2009-10-15 |
| Sliding Sleeve Valve Assembly With Sand Screen App 20090084553 - Rytlewski; Gary L. ; et al. | 2009-04-02 |
| Degradable Material Assisted Diversion or Isolation App 20080289823 - Willberg; Dean M. ; et al. | 2008-11-27 |
| Degradable Material Assisted Diversion or Isolation App 20080200352 - Willberg; Dean M. ; et al. | 2008-08-21 |
| Degradable material assisted diversion or isolation Grant 7,380,600 - Willberg , et al. June 3, 2 | 2008-06-03 |
| Friction Reduction Fluids App 20080064614 - Ahrenst; Alex ; et al. | 2008-03-13 |
| Method and System for Treating a Subterraean Formation Using Diversion App 20080000639 - Clark; W.E. ; et al. | 2008-01-03 |
| Degradable material assisted diversion or isolation App 20060113077 - Willberg; Dean ; et al. | 2006-06-01 |
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