GM

Guangchang Ma

CP China University Of Petroleum—Beijing: 2 patents #7 of 63Top 15%
Overall (2018): #146,828 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10000684 Drilling fluid additive composition, and oil-based drilling fluid and use thereof Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +6 more 2018-06-19
9890318 Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging Guancheng Jiang, Chong Liu, Yinbo He, Qingying Ge, Lili Yang +10 more 2018-02-13