Yuping Yang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Filtrate reducer for temperature-resistant calcium-resistant water-...
- Patent number 11,060,009
- Issue date Jul 13, 2021
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Yuping Yang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Temperature-resistant calcium-resistant water-based drilling fluid...
- Patent number 11,053,424
- Issue date Jul 6, 2021
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Yuping Yang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Plugging agent for temperature-resistant calcium-resistant water-ba...
- Patent number 10,745,605
- Issue date Aug 18, 2020
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Yuping Yang
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
FILTRATE REDUCER FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-...
- Publication number 20200115612
- Publication date Apr 16, 2020
- CNPC Engineering Technology R&D Company Limited
- Yuping Yang
- E21 - EARTH DRILLING MINING
Information Patent Application
TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BASED DRILLING FLUID...
- Publication number 20200115613
- Publication date Apr 16, 2020
- CNPC Engineering Technology R&D Company Limited
- Yuping Yang
- B82 - NANO-TECHNOLOGY
Information Patent Application
PLUGGING AGENT FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BA...
- Publication number 20200115611
- Publication date Apr 16, 2020
- CNPC Engineering Technology R&D Company Limited
- Yuping Yang
- B82 - NANO-TECHNOLOGY