Dongying
China
2
2024-07-18
The entities that hold a legal rights for patent applications filed by inventor SUN Xiaohui:
Xiaohui SUN from Dongying, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Device and method for simulating gas intrusion and bullheading in wellbore under different inclinations
#2 | 2024-06-27Experimental device and method for co-existence of overflow and lost circulation in fractured formation during drilling of deviated well
6701571 ⎘