Xiaohui QIU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Performance testing device for acid fracturing fluid and applicatio...
- Patent number 10,094,814
- Issue date Oct 9, 2018
- PetroChina Company Limited
- Haiyan Wang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Viscoelastic surfactant having multiple hydrophobic and hydrophilic...
- Patent number 9,856,413
- Issue date Jan 2, 2018
- PetroChina Company Limited
- Jiang Yang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PERFORMANCE TESTING DEVICE FOR ACID FRACTURING FLUID AND APPLICATIO...
- Publication number 20170009576
- Publication date Jan 12, 2017
- Petrochina Company Limited
- Haiyan WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
VISCOELASTIC SURFACTANT HAVING MULTIPLE HYDROPHOBIC AND HYDROPHILIC...
- Publication number 20150322334
- Publication date Nov 12, 2015
- Petrochina Company Limited
- Jiang YANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...