Yuping Yang

City:

Beijing

Country:

China

Published Applications:

Last publication date:

2020-04-16

Top Assignees for applications by Yuping Yang

The entities that hold a legal rights for patent applications filed by inventor Yang Yuping:

China University of Petroleum (East China) 3 Qingdao, China
CNPC Engineering Technology R&D Company Limited 3 Beijing, China

Recent patent applications by Yang Yuping

Yuping Yang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-04-16

US20200115613A1

Chemistry; metallurgy

Temperature-resistant calcium-resistant water-based drilling fluid for oil and gas reservoir protection and use thereof

#2 | 2020-04-16

US20200115612A1

Chemistry; metallurgy

Filtrate reducer for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

#3 | 2020-04-16

US20200115611A1

Chemistry; metallurgy

Plugging agent for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

InventorID:

2701010 ⎘