Liexiang Han

Person

Guanghan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for remotely shutting down downhole unit of rotary steering...
- Patent number 11,946,350
- Issue date Apr 2, 2024
- China National Petroleum Corporation
- Jing Bai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual-speed dual—core enhanced drilling equipment
- Patent number 11,225,837
- Issue date Jan 18, 2022
- CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED
- Liexiang Han
- E21 - EARTH DRILLING MINING
Information Patent Grant
Accelerator used for drilling fluids, water-based drilling fluid an...
- Patent number 10,266,744
- Issue date Apr 23, 2019
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Film former used for coal-bed gas well drilling and preparation met...
- Patent number 10,253,237
- Issue date Apr 9, 2019
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nano-hybrid lubricant and method thereof, and oil-based drilling fluid
- Patent number 10,030,188
- Issue date Jul 24, 2018
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Drilling fluid additive composition, and oil-based drilling fluid a...
- Patent number 10,000,684
- Issue date Jun 19, 2018
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Drilling fluid additive composition and pseudo oil-based drilling f...
- Patent number 9,834,717
- Issue date Dec 5, 2017
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
High-density water-based drilling fluid suitable for horizontal sha...
- Patent number 9,790,417
- Issue date Oct 17, 2017
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Drilling fluid additive composition and water-based drilling fluid...
- Patent number 9,783,725
- Issue date Oct 10, 2017
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Environment-friendly water-based drilling fluid applicable to horiz...
- Patent number 9,783,726
- Issue date Oct 10, 2017
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of controlling well bore pressure based on model prediction...
- Patent number 9,638,031
- Issue date May 2, 2017
- CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING CO., LTD.
- Zhilin Li
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Easy-to-clean visual graMethod for remotely shutting down downhole...
- Publication number 20230193729
- Publication date Jun 22, 2023
- CHINA NATIONAL PETROLEUM CORPORATION
- Jing Bai
- E21 - EARTH DRILLING MINING
Information Patent Application
Dual-speed dual - core enhanced drilling equipment
- Publication number 20210198950
- Publication date Jul 1, 2021
- CNPC Chuanqing Drilling Engineering Company Limited
- LIEXIANG HAN
- E21 - EARTH DRILLING MINING
Information Patent Application
ACCELERATOR USED FOR DRILLING FLUIDS, WATER-BASED DRILLING FLUID AN...
- Publication number 20190085232
- Publication date Mar 21, 2019
- China University of Petroleum (Beijing)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FILM FORMER USED FOR COAL-BED GAS WELL DRILLING AND PREPARATION MET...
- Publication number 20190085231
- Publication date Mar 21, 2019
- China University of Petroleum (Beijing)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DRILLING FLUID ADDITIVE COMPOSITION, AND OIL-BASED DRILLING FLUID A...
- Publication number 20170349803
- Publication date Dec 7, 2017
- CHINA UNIVERSITY OF PETROLEUM (BEIJING)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NANO-HYBRID LUBRICANT AND METHOD THEREOF, AND OIL-BASED DRILLING FLUID
- Publication number 20170349802
- Publication date Dec 7, 2017
- CHINA UNIVERSITY OF PETROLEUM (BEIJING)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DRILLING FLUID ADDITIVE COMPOSITION AND PSEUDO OIL-BASED DRILLING F...
- Publication number 20170335163
- Publication date Nov 23, 2017
- CHINA UNIVERSITY OF PETROLEUM (BEIJING)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for controlling well bore pressure based on model prediction...
- Publication number 20140262246
- Publication date Sep 18, 2014
- Zhilin Li
- E21 - EARTH DRILLING MINING

Liexiang Han

Person

Patents Grantslast 30 patents

Method for remotely shutting down downhole unit of rotary steering...

Dual-speed dual—core enhanced drilling equipment

Accelerator used for drilling fluids, water-based drilling fluid an...

Film former used for coal-bed gas well drilling and preparation met...

Nano-hybrid lubricant and method thereof, and oil-based drilling fluid

Drilling fluid additive composition, and oil-based drilling fluid a...

Drilling fluid additive composition and pseudo oil-based drilling f...

High-density water-based drilling fluid suitable for horizontal sha...

Drilling fluid additive composition and water-based drilling fluid...

Environment-friendly water-based drilling fluid applicable to horiz...

Method of controlling well bore pressure based on model prediction...

Patents Applicationslast 30 patents

Easy-to-clean visual graMethod for remotely shutting down downhole...

Dual-speed dual - core enhanced drilling equipment

ACCELERATOR USED FOR DRILLING FLUIDS, WATER-BASED DRILLING FLUID AN...

FILM FORMER USED FOR COAL-BED GAS WELL DRILLING AND PREPARATION MET...

DRILLING FLUID ADDITIVE COMPOSITION, AND OIL-BASED DRILLING FLUID A...

NANO-HYBRID LUBRICANT AND METHOD THEREOF, AND OIL-BASED DRILLING FLUID

DRILLING FLUID ADDITIVE COMPOSITION AND PSEUDO OIL-BASED DRILLING F...

Method for controlling well bore pressure based on model prediction...