CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED

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BEIJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating downhole working condition of a PDC bit
- Patent number 11,959,375
- Issue date Apr 16, 2024
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Guodong Ji
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well cementing method for improving well cementing quality by contr...
- Patent number 11,926,787
- Issue date Mar 12, 2024
- PetroChina Company Limited
- Shuoqiong Liu
- 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
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
High temperature resistant Portland cement slurry and production me...
- Patent number 11,618,844
- Issue date Apr 4, 2023
- China National Petroleum Corporation
- Hua Zhang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Filtrate reducer for temperature-resistant calcium-resistant water-...
- Patent number 11,060,009
- Issue date Jul 13, 2021
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Yuping Yang
- E21 - EARTH DRILLING MINING
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
Well cementation working solution prepared from red mud, slag and w...
- Patent number 10,975,284
- Issue date Apr 13, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei Cheng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for evaluating breakage strength of first and second cemente...
- Patent number 10,876,945
- Issue date Dec 29, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei Cheng
- G01 - MEASURING TESTING
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
Cementing plug
- Patent number 10,808,496
- Issue date Oct 20, 2020
- China National Petroleum Corporation
- Hongying Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plugging agent for temperature-resistant calcium-resistant water-ba...
- Patent number 10,745,605
- Issue date Aug 18, 2020
- CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED
- Yuping Yang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Mechanical and hydraulic dual-effect expansion device for well dril...
- Patent number 10,641,067
- Issue date May 5, 2020
- China National Petroleum Corporation
- Binggui Xu
- 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

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Patents Applicationslast 30 patents

Information Patent Application
LOST CIRCULATION DETECTION DEVICE
- Publication number 20240093599
- Publication date Mar 21, 2024
- Petrochina Company Limited
- Guangjie YUAN
- E21 - EARTH DRILLING MINING
Information Patent Application
PH-RESPONSIVE NANO-GEL PLUGGING MATERIAL, AND PREPARATION METHOD TH...
- Publication number 20230365853
- Publication date Nov 16, 2023
- CHINA NATIONAL PETROLEUM CORPORATION
- Jie ZHANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
HIGH-STRENGTH PORTLAND CEMENT SLURRY FOR ULTRA-HIGH TEMPERATURE CEM...
- Publication number 20230278927
- Publication date Sep 7, 2023
- CHINA NATIONAL PETROLEUM CORPORATION
- Hua Zhang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
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
METHOD FOR EVALUATING DOWNHOLE WORKING CONDITION OF A PDC BIT
- Publication number 20210301643
- Publication date Sep 30, 2021
- CNPC Engineering Technology R&D Company Limited
- Guodong JI
- 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
FILTRATE REDUCER FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-...
- Publication number 20200115612
- Publication date Apr 16, 2020
- CNPC Engineering Technology R&D Company Limited
- Yuping Yang
- E21 - EARTH DRILLING MINING
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
PLUGGING AGENT FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BA...
- Publication number 20200115611
- Publication date Apr 16, 2020
- CNPC Engineering Technology R&D Company Limited
- Yuping Yang
- B82 - NANO-TECHNOLOGY
Information Patent Application
WELL CEMENTATION WORKING SOLUTION PREPARED FROM RED MUD, SLAG AND W...
- Publication number 20200071594
- Publication date Mar 5, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei CHENG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHOD FOR EVALUATING BREAKAGE STRENGTH OF FIRST AND SECOND CEMENTE...
- Publication number 20200011777
- Publication date Jan 9, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei CHENG
- G01 - MEASURING TESTING
Information Patent Application
HIGH TEMPERATURE RESISTANT PORTLAND CEMENT SLURRY AND PRODUCTION ME...
- Publication number 20190241792
- Publication date Aug 8, 2019
- CHINA NATIONAL PETROLEUM CORPORATION
- Hua ZHANG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED

Organization

Patents Grantslast 30 patents

Method for evaluating downhole working condition of a PDC bit

Well cementing method for improving well cementing quality by contr...

Bionic and dual-phobic high-performance water-based drilling fluid

4D quantitative and intelligent diagnosis method and system for spa...

High temperature resistant Portland cement slurry and production me...

Expansion tool assembly for expandable tubular

Filtrate reducer for temperature-resistant calcium-resistant water-...

Temperature-resistant calcium-resistant water-based drilling fluid...

Well cementation working solution prepared from red mud, slag and w...

Method for evaluating breakage strength of first and second cemente...

Expandable liner hanger

Cementing plug

Plugging agent for temperature-resistant calcium-resistant water-ba...

Mechanical and hydraulic dual-effect expansion device for well dril...

Casing windowing method and tool using coiled tubing

Patents Applicationslast 30 patents

LOST CIRCULATION DETECTION DEVICE

PH-RESPONSIVE NANO-GEL PLUGGING MATERIAL, AND PREPARATION METHOD TH...

HIGH-STRENGTH PORTLAND CEMENT SLURRY FOR ULTRA-HIGH TEMPERATURE CEM...

BIONIC AND DUAL-PHOBIC HIGH-PERFORMANCE WATER-BASED DRILLING FLUID

4D QUANTITATIVE AND INTELLIGENT DIAGNOSIS METHOD AND SYSTEM FOR SPA...

EXPANSION TOOL ASSEMBLY FOR EXPANDABLE TUBULAR

METHOD FOR EVALUATING DOWNHOLE WORKING CONDITION OF A PDC BIT

Expandable Liner Hanger

FILTRATE REDUCER FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-...

TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BASED DRILLING FLUID...

PLUGGING AGENT FOR TEMPERATURE-RESISTANT CALCIUM-RESISTANT WATER-BA...

WELL CEMENTATION WORKING SOLUTION PREPARED FROM RED MUD, SLAG AND W...

METHOD FOR EVALUATING BREAKAGE STRENGTH OF FIRST AND SECOND CEMENTE...

HIGH TEMPERATURE RESISTANT PORTLAND CEMENT SLURRY AND PRODUCTION ME...