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Patents Grants
last 30 patents
Information
Patent Grant
Resin slurry plugging system suitable for fractured-vuggy formation...
Patent number
12,215,274
Issue date
Feb 4, 2025
CHINA UNIVESITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Bio-enzyme degradable temporary plugging material and preparation m...
Patent number
12,110,449
Issue date
Oct 8, 2024
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Jintang Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Oil-soluble thermosensitive resin lost circulation material for pro...
Patent number
12,043,742
Issue date
Jul 23, 2024
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High temperature and high salinity-resistant complementarily rigid-...
Patent number
11,970,655
Issue date
Apr 30, 2024
China University of Petroleum (East China)
Jingping Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nanographene and preparation method and use thereof and oil-based d...
Patent number
11,873,444
Issue date
Jan 16, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Nano-organosilicon film-forming and hydrophobic shale surface hydra...
Patent number
11,807,802
Issue date
Nov 7, 2023
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Xianbin Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Nanometer self-locking bentonite film-forming agent, method for pre...
Patent number
11,639,460
Issue date
May 2, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Wenxin Dong
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Cementitious plugging wall solidifer for water-based drilling fluid...
Patent number
11,578,250
Issue date
Feb 14, 2023
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Jingping Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-based gel-consolidation type lost circulation material system...
Patent number
11,472,999
Issue date
Oct 18, 2022
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High-temperature resistant, high-strength, and thixotropic gel plug...
Patent number
11,421,140
Issue date
Aug 23, 2022
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure-bearing plugging composition, pressure-bearing plugging sl...
Patent number
11,396,621
Issue date
Jul 26, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
High temperature-resistant and high oil-absorption resin particle p...
Patent number
11,384,275
Issue date
Jul 12, 2022
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environment-friendly high-temperature resistant water-based drillin...
Patent number
11,072,738
Issue date
Jul 27, 2021
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Shandong, CHINA
Xianbin Huang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Temperature-resistant calcium-resistant water-based drilling fluid...
Patent number
11,053,424
Issue date
Jul 6, 2021
CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
Yuping Yang
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Multi-functional weighting agent for drilling fluid and preparation...
Patent number
10,865,337
Issue date
Dec 15, 2020
Southwest Petroleum University
Yang Bai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-temperature retarder suitable for oil and gas well cementation...
Patent number
10,858,571
Issue date
Dec 8, 2020
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Chengwen Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Strong plugging drilling fluid composition and preparation method t...
Patent number
10,533,122
Issue date
Jan 14, 2020
Southwest Petroleum University
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Expandable plugging agent and preparation method thereof, micro-cap...
Patent number
10,487,255
Issue date
Nov 26, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-based drilling fluid for protecting fractured reservoirs, and...
Patent number
10,392,552
Issue date
Aug 27, 2019
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Jinsheng Sun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Use of dual-cation fluorocarbon surfactant as amphiphobic wettabili...
Patent number
10,336,931
Issue date
Jul 2, 2019
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Micro-nano composite plugging agent for drilling fluid and preparat...
Patent number
10,336,932
Issue date
Jul 2, 2019
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Super-amphiphobic composite material and use of the same as inhibit...
Patent number
10,308,857
Issue date
Jun 4, 2019
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-based drilling fluid for protecting high-permeability reservo...
Patent number
10,040,984
Issue date
Aug 7, 2018
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Kaihe Lv
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polymer elastic particle reservoir protecting agent and drilling fl...
Patent number
9,771,509
Issue date
Sep 26, 2017
China University of Petroleum (East China)
Kaihe Lv
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nanometer film structured reservoir protecting agent, drilling flui...
Patent number
9,701,884
Issue date
Jul 11, 2017
China University of Petroleum (East China)
Jinsheng Sun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composition comprising a nanometer film structured reservoir protec...
Patent number
9,683,160
Issue date
Jun 20, 2017
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Jinsheng Sun
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation method of a wettability reversal agent
Patent number
9,296,936
Issue date
Mar 29, 2016
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Reservoir protecting agent composition and broad-spectrum drilling...
Patent number
9,279,076
Issue date
Mar 8, 2016
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Protecting agent composition for high/ultra-high permeability reser...
Patent number
9,267,068
Issue date
Feb 23, 2016
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
ANTI-STRENGTH-RETROGRESSION CEMENTING SYSTEM WITH EXCELLENT PUMPABI...
Publication number
20250034039
Publication date
Jan 30, 2025
China University of Petroleum (East China)
Xueyu PANG
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
NANOGRAPHENE AND PREPARATION METHOD AND USE THEREOF AND OIL-BASED D...
Publication number
20240043735
Publication date
Feb 8, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ANTI-SLOUGHING DRILLING FLUID AND USE THEREOF
Publication number
20240043736
Publication date
Feb 8, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HIGH TEMPERATURE AND HIGH SALINITY-RESISTANT COMPLEMENTARILY RIGID-...
Publication number
20240010904
Publication date
Jan 11, 2024
China University of Petroleum (East China)
Jingping LIU
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
OIL-SOLUBLE THERMOSENSITIVE RESIN LOST CIRCULATION MATERIAL FOR PRO...
Publication number
20230086238
Publication date
Mar 23, 2023
China University of Petroleum (East China)
Yingrui BAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLOCCULATING AGENT FOR REMOVING OIL-BASED DRILLING FLUID ROCK CUTTI...
Publication number
20230017294
Publication date
Jan 19, 2023
China University of Petroleum (East China)
Jinsheng SUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Nano-organosilicon film-forming and hydrophobic shale surface hydra...
Publication number
20220228050
Publication date
Jul 21, 2022
China University of Petroleum (East China)
Xianbin HUANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ENVIRONMENT-FRIENDLY HIGH-TEMPERATURE RESISTANT WATER-BASED DRILLIN...
Publication number
20210189216
Publication date
Jun 24, 2021
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Shandong, CHINA
Xianbin HUANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH TEMPERATURE-RESISTANT AND HIGH OIL-ABSORPTION RESIN PARTICLE P...
Publication number
20210139764
Publication date
May 13, 2021
China University of Petroleum
YINGRUI BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
High-Temperature Resistant, High-Strength, and Thixotropic Gel Plug...
Publication number
20210087453
Publication date
Mar 25, 2021
China University of Petroleum
YINGRUI BAI
E21 - EARTH DRILLING MINING
Information
Patent Application
Multi-Functional Weighting Agent for Drilling Fluid and Preparation...
Publication number
20200369936
Publication date
Nov 26, 2020
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HIGH-TEMPERATURE RETARDER SUITABLE FOR OIL AND GAS WELL CEMENTATION...
Publication number
20200239760
Publication date
Jul 30, 2020
China University of Petroleum (East China)
Chengwen Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BASED DRILLING FLUID...
Publication number
20200115613
Publication date
Apr 16, 2020
CNPC Engineering Technology R&D Company Limited
Yuping Yang
B82 - NANO-TECHNOLOGY
Information
Patent Application
WATER-BASED DRILLING FLUID FOR PROTECTING FRACTURED RESERVOIRS, AND...
Publication number
20180208823
Publication date
Jul 26, 2018
China University of Petroleum (East China)
Jinsheng SUN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WATER-BASED DRILLING FLUID FOR PROTECTING HIGH-PERMEABILITY RESERVO...
Publication number
20180208824
Publication date
Jul 26, 2018
China University of Petroleum (East China)
Kaihe LV
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
USE OF DUAL-CATION FLUOROCARBON SURFACTANT AS AMPHIPHOBIC WETTABILI...
Publication number
20180201821
Publication date
Jul 19, 2018
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESERVOIR PROTECTING AGENT COMPOSITION FOR RESERVOIR WITH CRACKS, D...
Publication number
20180118993
Publication date
May 3, 2018
China University of Petroleum (East China)
Kaihe LV
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...