Exploration & Production Research Institute of SINOPEC North-China Oil & Gas Company

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Henan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating gas well productivity with eliminating influe...
- Patent number 11,499,422
- Issue date Nov 15, 2022
- Exploration & Production Research Institute of SINOPEC North-China Oil & Gas...
- Huanquan Sun
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for determining recovery factor of deep coal bed methane wells
- Publication number 20240426210
- Publication date Dec 26, 2024
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Bo Hu
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for determining productivity of deep coalbed methane well co...
- Publication number 20240411049
- Publication date Dec 12, 2024
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Bo Hu
- G01 - MEASURING TESTING
Information Patent Application
Method for determining production shares of free gas and adsorbed g...
- Publication number 20240410277
- Publication date Dec 12, 2024
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Bo Hu
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for determining transmissibilty in numerical simulation of o...
- Publication number 20240318541
- Publication date Sep 26, 2024
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Yongyi Zhou
- G01 - MEASURING TESTING
Information Patent Application
Method for determining productivity of coalbed methane well without...
- Publication number 20240093604
- Publication date Mar 21, 2024
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Bo Hu
- E21 - EARTH DRILLING MINING
Information Patent Application
Star rating management method and system for deployment and impleme...
- Publication number 20230229981
- Publication date Jul 20, 2023
- Exploration & Production Research Institute of SINOPEC North-China OIL & Gas...
- Bo Hu
- G06 - COMPUTING CALCULATING COUNTING

Exploration & Production Research Institute of SINOPEC North-China Oil & Gas Company

Organization

Patents Grantslast 30 patents

Method for evaluating gas well productivity with eliminating influe...

Patents Applicationslast 30 patents

Method for determining recovery factor of deep coal bed methane wells

Method for determining productivity of deep coalbed methane well co...

Method for determining production shares of free gas and adsorbed g...

Method for determining transmissibilty in numerical simulation of o...

Method for determining productivity of coalbed methane well without...

Star rating management method and system for deployment and impleme...

Trademarklast 30 trademarks