Xiaodong CHU

Person

Sanhe, CN

People

Patents Grantslast 30 patents

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
Horizontal-to-vertical drilling module for deep well
- Patent number 11,028,658
- Issue date Jun 8, 2021
- China National Offshore Oil Corporation
- Yongren Feng
- 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
Information Patent Grant
Pup joint for releasing sidewall contact of stratigraphic test devi...
- Patent number 9,982,816
- Issue date May 29, 2018
- China National Offshore Oil Corporation
- Xiaofei Qin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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
METHOD AND SYSTEM FOR MEASURING COMPOSITION AND PROPERTY OF FORMATI...
- Publication number 20220155275
- Publication date May 19, 2022
- China Oilfield Services Limited
- Youxiang ZUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Horizontal-to-Vertical Drilling Module for Deep Well
- Publication number 20200291735
- Publication date Sep 17, 2020
- CHINA NATIONAL OFFSHORE OIL CORPORATION
- Yongren FENG
- E21 - EARTH DRILLING MINING
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
Information Patent Application
Pup Joint for Releasing Sidewall Contact of Stratigraphic Test Devi...
- Publication number 20150316183
- Publication date Nov 5, 2015
- CHINA NATIONAL OFFSHORE OIL CORP
- Xiaofei QIN
- E21 - EARTH DRILLING MINING

Xiaodong CHU

Person

Patents Grantslast 30 patents

Integrated logging instrument for coring and sampling

Horizontal-to-vertical drilling module for deep well

Wire follow-up protection structure of electric reducer

Drilling type sidewall coring apparatus

Pup joint for releasing sidewall contact of stratigraphic test devi...

Patents Applicationslast 30 patents

CORING DEVICE

INTEGRATED LOGGING INSTRUMENT FOR CORING AND SAMPLING

HYDRAULIC POWER SYSTEM FOR DOWNHOLE DEVICE AND DOWNHOLE DEVICE

METHOD AND SYSTEM FOR MEASURING COMPOSITION AND PROPERTY OF FORMATI...

Horizontal-to-Vertical Drilling Module for Deep Well

WIRE FOLLOW-UP PROTECTION STRUCTURE OF ELECTRIC REDUCER

Drilling Type Sidewall Coring Apparatus

Pup Joint for Releasing Sidewall Contact of Stratigraphic Test Devi...