Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528042 | Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid | Guancheng Jiang, Yinbo He, Xianbin Huang, Fan Liu, Yang Xuan +8 more | 2016-12-27 |
| 9481822 | Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid | Guancheng Jiang, Yinbo He, Xianbin Huang, Fan Liu, Shuanglei Peng +1 more | 2016-11-01 |
| 9365762 | Copolymer of dimer acid-organic amine and shear strength improving agent of water in oil emulsion drilling fluid and drilling fluid | Guancheng Jiang, Yinbo He, Xianbin Huang | 2016-06-14 |