Pei HE

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Induced earthquake evaluation method for hydraulic fracturing activ...
- Patent number 11,970,940
- Issue date Apr 30, 2024
- CHONGQING INSTITUTE OF GEOLOGY AND MINERAL RESOURCES
- Pei He
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reciprocating rock fracture friction-seepage characteristic test de...
- Patent number 11,692,919
- Issue date Jul 4, 2023
- CHONGQING INSTITUTE OF GEOLOGY AND MINERAL RESOURCES
- Zhaohui Lu
- G01 - MEASURING TESTING
Information Patent Grant
Pulse hydraulic fracturing tool and method for coiled tubing draggi...
- Patent number 11,098,566
- Issue date Aug 24, 2021
- CHONGQING INSTITUTE OF GEOLOGY AND MINERAL RESOURCES
- Zhaohui Lu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Reciprocating Rock Fracture Friction-Seepage Characteristic Test De...
- Publication number 20210285858
- Publication date Sep 16, 2021
- CHONGQING INSTITUTE OF GEOLOGY AND MINERAL RESOURCES
- Zhaohui LU
- G01 - MEASURING TESTING
Information Patent Application
PULSE HYDRAULIC FRACTURING TOOL AND METHOD FOR COILED TUBING DRAGGI...
- Publication number 20210222535
- Publication date Jul 22, 2021
- CHONGQING INSTITUTE OF GEOLOGY AND MINERAL RESOURCES
- Zhaohui LU
- E21 - EARTH DRILLING MINING