Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649709 | Polymer blends for stimulation of oil and gas wells | Genyao Lin, Jian Zhou, Hoang Van Le, Changmin Jung, Qi Qu | 2023-05-16 |
| 11485901 | Polymeric systems for particle dispersion | Lingjuan Shen, Qi Qu, Jian Zhou, Arnaud Cadix, Ruela Talingting Pabalan +1 more | 2022-11-01 |
| 11186758 | Shear recovery for viscosifying surfactants in stimulation fluids | Rose Ndong, Genyao Lin, Louis Villafane, Jian Zhou | 2021-11-30 |
| 10982519 | Polymer blends for stimulation of oil and gas wells | Genyao Lin, Jian Zhou, Hoang Van Le, Changmin Jung, Qi Qu | 2021-04-20 |
| 10844140 | Phosphonated polysaccharides and gels and process for making same | Laurianne Timbart, Gilda Lizarraga, Gary Woodward, David James Wilson | 2020-11-24 |
| 10844277 | Self-diverting acidizing system | Rose Ndong, Juliette Triquet, Genyao Lin, Louis Villafane, Jian Zhou +1 more | 2020-11-24 |
| 10323051 | Methods for controlling depolymerization of polymer compositions | Gary Woodward, Adedamola Adedeji, Timothy Curtis | 2019-06-18 |
| 10239960 | Phosphonated polysaccharides and gels and process for making same | Laurianne Timbart, Gilda Lizarraga, Gary Woodward, David James Wilson | 2019-03-26 |
| 9732213 | Rheology modifier compositions and methods of use | Ruela Talingting Pabalan, Nemesio Martinez-Castro, Marie-Pierre Labeau, Bruno Langlois | 2017-08-15 |
| 9428684 | Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants | Lawrence Alan Hough, Gilda Lizarraga, Herve Adam, Jean-Christophe Castaing | 2016-08-30 |
| 9062238 | Methods and compositions for viscosifying heavy aqueous brines | Manilal S. Dahanayake, Gary Woodward | 2015-06-23 |
| 8969261 | Rheology modifier compositions and methods of use | Ruela Talingting Pabalan, Nemesio Martinez-Castro, Marie-Pierre Labeau, Bruno Langlois | 2015-03-03 |
| 8883694 | Polysaccharide slurries with environmentally friendly activator solvents | Amit Sehgal, Ruela Talingting Pabalan, Charles Aymes | 2014-11-11 |
| 8828914 | Methods for controlling depolymerization of polymer compositions | Gary Woodward, Adedamola Adedeji, Timothy Curtis, Francis Smith | 2014-09-09 |
| 8505631 | Compositions having HASE rheology modifiers | Hui S. Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung +1 more | 2013-08-13 |
| 8215398 | Polysaccharide based scale inhibitor | Gary Woodward, Floryan Decampo | 2012-07-10 |
| 7789160 | Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants | Lawrence Alan Hough, Gilda Lizarraga, Herve Adam, Jean-Christophe Castaing | 2010-09-07 |
| 7772421 | Compositions having HASE rheology modifiers | Hui S. Yang, Derek Pakenham, Herve Adam, Pierre Hennaux, Brian Chung +1 more | 2010-08-10 |
| 7629296 | Composition and method for thickening heavy aqueous brines with cationic guar | Manilal S. Dahanayake, Allwyn Colaco | 2009-12-08 |
| 7404442 | Method of recycling fracturing fluids using a self-degrading foaming composition | Manilal S. Dahanayake, Allwyn Colaco | 2008-07-29 |
| 7012044 | Oil and gas recovery from subterranean formations | Jeffrey C. Dawson, Hoang Van Le | 2006-03-14 |
| 6767868 | Breaker system for fracturing fluids used in fracturing oil bearing formations | Jeffrey C. Dawson, Hoang Van Le | 2004-07-27 |
| 6649572 | Polymer expansion for oil and gas recovery | Jeffrey C. Dawson, Hoang Van Le | 2003-11-18 |
| 6387853 | Derivatization of polymers and well treatments using the same | Jeffrey C. Dawson, Hoang Van Le | 2002-05-14 |
| 6383990 | Polymer expansion for oil and gas recovery | Jeffrey C. Dawson, Hoang Van Le | 2002-05-07 |