Zhenning Ji

Follow

Person

Beijing City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Injection stimulation agent for water injection well and the prepar...
- Patent number 10,975,294
- Issue date Apr 13, 2021
- PetroChina Company Ltd.
- Lijun Mu
- E21 - EARTH DRILLING MINING
Information Patent Grant
On-line diverting acid for continuous injection into water injectio...
- Patent number 10,961,442
- Issue date Mar 30, 2021
- PetroChina Company Limited
- Lijun Mu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chelating agent for reservoir acidification and stimulating injecti...
- Patent number 10,876,043
- Issue date Dec 29, 2020
- PetroChina Company Limited
- Lijun Mu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CHELATING AGENT FOR RESERVOIR ACIDIFICATION AND STIMULATING INJECTI...
- Publication number 20190330519
- Publication date Oct 31, 2019
- Petrochina Company Limited
- Lijun MU
- E21 - EARTH DRILLING MINING
Information Patent Application
INJECTION STIMULATION AGENT FOR WATER INJECTION WELL AND THE PREPAR...
- Publication number 20190316031
- Publication date Oct 17, 2019
- Petrochina Company Limited
- Lijun Mu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
On-Line Diverting Acid For Continuous Injection Into Water Injectio...
- Publication number 20190276730
- Publication date Sep 12, 2019
- Lijun Mu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Diverting Agent For Diversion Acidizing In Water Injection Wells An...
- Publication number 20190276731
- Publication date Sep 12, 2019
- Lijun Mu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...