Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10358595 | Methods of producing particles having two different properties | Cato Russell McDaniel, Dale E. Jamison, Xiangnan Ye | 2019-07-23 |
| 10144829 | Bitumen in water emulsions and methods of making same | Cato Russell McDaniel | 2018-12-04 |
| 10119062 | Invert emulsion treatment fluids comprising polar organic compounds and methods of use in subterranean operations | Jay Paul Deville, William Walter Shumway, Dale E. Jamison | 2018-11-06 |
| 9676987 | Water-soluble linear polyphosphazenes in water-based fluids for use in wells or pipelines | — | 2017-06-13 |
| 9074442 | Defoaming agent compositions and methods of making and using same | — | 2015-07-07 |
| 8770287 | Defoaming agent compositions and methods of making and using same | — | 2014-07-08 |
| 7749941 | Method and composition for improving performance of aqueous and polymer based fluids at high temperatures | Jody L. Maresh, William Walter Shumway | 2010-07-06 |
| 7507694 | Surfactant-free emulsions and methods of use thereof | William Walter Shumway, Jeff Kirsner | 2009-03-24 |
| 7485602 | Drilling method using isomerized olefins and paraffin hydrocarbons as base oils for invert emulsion oil muds | Jeff Kirsner, Robert W. Pike | 2009-02-03 |
| 6997270 | Compounds and method for generating a highly efficient membrane in water-based drilling fluids | Fersheed Khodadad Mody, Chee Phuat Tan, Calum John Drummond, George Georgaklis, Darrell Wells | 2006-02-14 |
| 6989352 | Silicic acid mud lubricants | James V. Fisk, Jr., Jim D. Kerchevile | 2006-01-24 |
| 6984611 | Spotting fluid for differential sticking | James D. Kercheville | 2006-01-10 |
| 6889780 | Method for drilling depleted sands with minimal drilling fluid loss | Donald L. Whitfill, Thomas R. Carlson, Uday Tare, James V. Fisk, Jr., Joe L. Billingsley | 2005-05-10 |
| 6662871 | Spotting fluid for differential sticking | James D. Kercheville | 2003-12-16 |
| 6435276 | Spotting fluid for differential sticking | James D. Kercheville | 2002-08-20 |
| 5405916 | Process for the preparation of polyolefin/acrylonitrile copolymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers | Charles M. Starks | 1995-04-11 |
| 5284924 | Process for the preparation of polyolefin/acrylonitrile coploymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers | Charles M. Starks | 1994-02-08 |
| 4860829 | Inhibition of reservoir scale | Bob L. Carlberg, Nicholas O. Wolf, William D. Nash | 1989-08-29 |
| 4817721 | Reducing the permeability of a rock formation | — | 1989-04-04 |
| 4637882 | Polyampholytes - high temperature viscosifiers for high ionic strength drilling fluids | Dennis G. Peiffer, Robert D. Lundberg | 1987-01-20 |
| 4614235 | Use of mono and polyalkylene glycol ethers as agents for the release of differentially stuck drill pipe | Ivian G. Keener, John C. Newlove, Robert C. Portnoy, Daniel Frederick Fehler | 1986-09-30 |
| 4578456 | Ethoxylated lignite composition and method of preparing | — | 1986-03-25 |
| 4537688 | Low and high temperature drilling fluids based on sulfonated terpolymer ionomers | Dennis G. Peiffer, Robert D. Lundberg | 1985-08-27 |