Yongliang YU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Expansion tool assembly for expandable tubular
- Patent number 11,293,254
- Issue date Apr 5, 2022
- China National Petroleum Corporation
- Quanli Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable liner hanger
- Patent number 10,858,917
- Issue date Dec 8, 2020
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Quanli Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing windowing method and tool using coiled tubing
- Patent number 10,450,801
- Issue date Oct 22, 2019
- China National Petroleum Corporation
- Yanping Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXPANSION TOOL ASSEMBLY FOR EXPANDABLE TUBULAR
- Publication number 20210396092
- Publication date Dec 23, 2021
- CHINA NATIONAL PETROLEUM CORPORATION
- Quanli Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable Liner Hanger
- Publication number 20200332629
- Publication date Oct 22, 2020
- CNPC Engineering Technology R&D Company Limited
- Quanli Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING WINDOWING METHOD AND TOOL USING COILED TUBING
- Publication number 20170152718
- Publication date Jun 1, 2017
- CHINA NATIONAL PETROLEUM CORPORATION
- Yanping ZHANG
- E21 - EARTH DRILLING MINING