Zanqing WEI

Person

Langfang, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic power system for downhole device and downhole device
- Patent number 12,025,159
- Issue date Jul 2, 2024
- China Oilfield Services Limited
- Zhibin Tian
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Core detection device of coring instrument and spacer insertion device
- Patent number 12,012,816
- Issue date Jun 18, 2024
- China National Offshore Oil Corporation
- Zhibin Tian
- G01 - MEASURING TESTING
Information Patent Grant
Integrated logging instrument for coring and sampling
- Patent number 11,905,829
- Issue date Feb 20, 2024
- China Oilfield Services Limited
- Tao Lu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole oil level detection device
- Patent number 11,788,405
- Issue date Oct 17, 2023
- China Oilfield Services Limited
- Zhibin Tian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Core detection device of coring instrument
- Patent number 11,739,603
- Issue date Aug 29, 2023
- China National Offshore Oil Corporation
- Zhibin Tian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wire follow-up protection structure of electric reducer
- Patent number 10,236,667
- Issue date Mar 19, 2019
- China National Offshore Oil Corporation
- Yongren Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drilling type sidewall coring apparatus
- Patent number 10,018,038
- Issue date Jul 10, 2018
- China National Offshore Oil Corporation
- Yongren Feng
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Core Detection Device of Coring Instrument and Spacer Insertion Device
- Publication number 20230194388
- Publication date Jun 22, 2023
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Zhibin Tian
- E21 - EARTH DRILLING MINING
Information Patent Application
CORING DEVICE
- Publication number 20220397491
- Publication date Dec 15, 2022
- China Oilfield Services Limited
- Zhibin Tian
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED LOGGING INSTRUMENT FOR CORING AND SAMPLING
- Publication number 20220316290
- Publication date Oct 6, 2022
- China Oilfield Services Limited
- Tao LU
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC POWER SYSTEM FOR DOWNHOLE DEVICE AND DOWNHOLE DEVICE
- Publication number 20220260094
- Publication date Aug 18, 2022
- China Oilfield Services Limited
- Zhibin TIAN
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
DOWNHOLE OIL LEVEL DETECTION DEVICE
- Publication number 20220154573
- Publication date May 19, 2022
- China Oilfield Services Limited
- Zhibin Tian
- E21 - EARTH DRILLING MINING
Information Patent Application
CORE DETECTION DEVICE OF CORING INSTRUMENT
- Publication number 20210285849
- Publication date Sep 16, 2021
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Zhibin Tian
- G01 - MEASURING TESTING
Information Patent Application
WIRE FOLLOW-UP PROTECTION STRUCTURE OF ELECTRIC REDUCER
- Publication number 20180323589
- Publication date Nov 8, 2018
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Yongren Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Drilling Type Sidewall Coring Apparatus
- Publication number 20170107813
- Publication date Apr 20, 2017
- CHINA OILFIELD SERVICES LIMITED
- Yongren FENG
- E21 - EARTH DRILLING MINING

Zanqing WEI

Person

Patents Grantslast 30 patents

Hydraulic power system for downhole device and downhole device

Core detection device of coring instrument and spacer insertion device

Integrated logging instrument for coring and sampling

Downhole oil level detection device

Core detection device of coring instrument

Wire follow-up protection structure of electric reducer

Drilling type sidewall coring apparatus

Patents Applicationslast 30 patents

Core Detection Device of Coring Instrument and Spacer Insertion Device

CORING DEVICE

INTEGRATED LOGGING INSTRUMENT FOR CORING AND SAMPLING

HYDRAULIC POWER SYSTEM FOR DOWNHOLE DEVICE AND DOWNHOLE DEVICE

DOWNHOLE OIL LEVEL DETECTION DEVICE

CORE DETECTION DEVICE OF CORING INSTRUMENT

WIRE FOLLOW-UP PROTECTION STRUCTURE OF ELECTRIC REDUCER

Drilling Type Sidewall Coring Apparatus