Issued Patents All Time
Showing 25 most recent of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258515 | Invert emulsifier for use in invert emulsion drilling fluids | Anil Singh, Sakshi Indulkar, Vivek Gupta, Nikhil Bidwai, Kartiki Dewalkar +1 more | 2025-03-25 |
| 10246627 | Methods of using invert emulsion fluids with high internal phase concentration | Mark Luyster, Sooi Kim Lim | 2019-04-02 |
| 10181370 | Wellbore fluids incorporating magnetic carbon nanoribbons and magnetic functionalized carbon nanoribbons and methods of using the same | James M. Tour, Bostjan Genorio, Wei Lu, Katherine Price Hoelscher, James Friedheim | 2019-01-15 |
| 10035945 | Methods of delaying the curing of moisture sensitive curable elastomers | Jason T. Scorsone, Mark Sanders | 2018-07-31 |
| 9315714 | Degradable non-aqueous gel systems | Mark Sanders, David Antony Ballard, Jason T. Scorsone | 2016-04-19 |
| 9004167 | Methods of using invert emulsion fluids with high internal phase concentration | Mark Luyster, Sooi Kim Lim | 2015-04-14 |
| 8871690 | Fluid loss additive for oil-based muds | Sashikumar Mettath, Emanuel Stamatakis, Steve Young, Jim Friedheim | 2014-10-28 |
| 8598095 | Low conductivity water based wellbore fluid | Emanuel Stamatakis | 2013-12-03 |
| 8524640 | Fluid loss additive for oil-based muds | Sashikumar Mettath, Emanuel Stamatakis, Steve Young, Jim Friedheim | 2013-09-03 |
| 8298996 | Low toxicity shale hydration inhibition agent and method of use | — | 2012-10-30 |
| 8026189 | High-temperature and fire-resistant fabric and a method of manufacturing thereof | Scott H. Pryne, Wilson H. Pryne, Amad Tayebi | 2011-09-27 |
| 7939473 | Low toxicity shale hydration inhibition agent and method of use | — | 2011-05-10 |
| 7871962 | Flat rheology drilling fluid | Jim Friedheim, John K. M. Lee, Burnham Hoxha | 2011-01-18 |
| 7618925 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2009-11-17 |
| 7572756 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2009-08-11 |
| 7527097 | Methods for using reversible phase oil-based drilling fluid | — | 2009-05-05 |
| 7521398 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2009-04-21 |
| 7514389 | High performance water-based drilling mud and method of use | Emanuel Stamatakis, Steven Young | 2009-04-07 |
| 7514392 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2009-04-07 |
| 7497262 | High performance water-based drilling mud and method of use | Emanuel Stamatakis, Steve Young | 2009-03-03 |
| 7494958 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2009-02-24 |
| 7377721 | Methods for using reversible phase oil-based drilling fluid | — | 2008-05-27 |
| 7312183 | Shale hydration inhibition agent and method of use | Emanuel Stamatakis | 2007-12-25 |
| 7250390 | High performance water based drilling fluids and method of use | Emanuel Stamatakis, Eric A. Davis, Jim Friedheim | 2007-07-31 |
| 7211549 | Spotting fluid for use with oil-based muds and method of use | Emanuel Stamatakis | 2007-05-01 |