Membership
Tour
Register
Log in
CNPC Chuanqing Drilling Engineering Company Limited
Follow
Organization
Chengdu City, CN
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
System and method for dynamically adjusting coupling coefficients o...
Patent number
12,199,448
Issue date
Jan 14, 2025
China National Petroleum Corporation
Jing Bai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Jet flow adjustment method for rotary steerable downhole release
Patent number
11,982,146
Issue date
May 14, 2024
China National Petroleum Corporation
Jichuan Zhang
E21 - EARTH DRILLING MINING
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
Bionic and dual-phobic high-performance water-based drilling fluid
Patent number
11,787,990
Issue date
Oct 17, 2023
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
4D quantitative and intelligent diagnosis method and system for spa...
Patent number
11,686,190
Issue date
Jun 27, 2023
China University of Petroleum (Beijing)
Guancheng Jiang
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
Crosslinked high molecular weight polymers for use in water-based d...
Patent number
10,072,197
Issue date
Sep 11, 2018
CNPC USA Corporation
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Please log in for detailed analytics
Patents Applications
last 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
BIONIC AND DUAL-PHOBIC HIGH-PERFORMANCE WATER-BASED DRILLING FLUID
Publication number
20230133053
Publication date
May 4, 2023
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
4D QUANTITATIVE AND INTELLIGENT DIAGNOSIS METHOD AND SYSTEM FOR SPA...
Publication number
20230026538
Publication date
Jan 26, 2023
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
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
CROSSLINKED HIGH MOLECULAR WEIGHT POLYMERS FOR USE IN WATER-BASED D...
Publication number
20170101573
Publication date
Apr 13, 2017
CNPC USA CORPORATION
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
BIOMIMETIC POLYMER FOR STABILIZING WELLBORE AND METHOD FOR PREPARAT...
Publication number
20150240143
Publication date
Aug 27, 2015
CNPC Chuanqing Drilling Engineering Company Limited
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...