Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605042 | Short millable plug for hydraulic fracturing operations | Jianpeng Yue, Peng Cheng, Xu Wang | 2020-03-31 |
| 10415345 | Millable bridge plug system | Jianpeng Yue, Xiangtong Yang, Hongtao Liu | 2019-09-17 |
| 9394777 | Pressure controlled multi-shift frac sleeve system | Peng Cheng | 2016-07-19 |
| 9121224 | Vibrational tool with tool axis rotational mass and method | — | 2015-09-01 |
| 9121225 | Drill bit housing vibrator and method | — | 2015-09-01 |
| 9121253 | Millable bridge plug system | — | 2015-09-01 |
| 9121254 | Millable bridge plug system | — | 2015-09-01 |
| 9033067 | Vibrational tool with rotating engagement surfaces and method | — | 2015-05-19 |
| 7059429 | Drilling assembly and method | Bruce L. Taylor, Richard A. Nichols, Larry G. Palmer | 2006-06-13 |
| 6581700 | Formation cutting method and system | Harry B. Curlett, David P. Sharp | 2003-06-24 |
| 6386300 | Formation cutting method and system | Harry B. Curlett, David P. Sharp | 2002-05-14 |