Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981845 | Partially neutralized polyhydroxy acids for well treatments | Balkrishna Gadiyar, Sai Aung Zaw Min | 2011-07-19 |
| 7923414 | Rheology modifier comprising a tetrakis(hydroxyalkyl) phosphonium salt for polymer fluids | Lijun Lin, Leiming Li, Syed A. Ali | 2011-04-12 |
| 7902124 | Self-diverting acid treatment with formic-acid-free corrosion inhibitor | Syed A. Ali, Javier Sanchez Reyes, Francois M. Auzerais | 2011-03-08 |
| 7878246 | Methods of perforation using viscoelastic surfactant fluids and associated compositions | Yerik Balabatyrov, Frank F. Chang, Martin Griffith, Liz Morris | 2011-02-01 |