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Guanghan, Sichuan, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Fully electric-drive sand-mixing apparatus, and automatic control s...
Patent number
12,157,097
Issue date
Dec 3, 2024
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Yu Tian
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Coiled tubing operating system and coiled tubing operating method
Patent number
12,152,448
Issue date
Nov 26, 2024
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Daiwei Shan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for tripping a drilling rig or a workover rig
Patent number
11,603,720
Issue date
Mar 14, 2023
Sichuan Honghua Petroleum Equipment Co., Ltd.
Junqing Chai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling machines and methods thereof
Patent number
11,299,942
Issue date
Apr 12, 2022
Sichuan Honghua Petroleum Equipment Co., Ltd.
Chong Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pipe racking system
Patent number
11,286,731
Issue date
Mar 29, 2022
Sichuan Honghua Petroleum Equipment Co., Ltd.
Ying Li
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Drilling rig
Patent number
11,028,651
Issue date
Jun 8, 2021
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Rui Luo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shale gas operation method
Patent number
8,905,137
Issue date
Dec 9, 2014
Sichuan Honghua Petroleum Equipment Co., Ltd.
Mi Zhang
Patents Applications
last 30 patents
Information
Patent Application
Efficient five-cylinder drilling pump system, solids control system...
Publication number
20240183344
Publication date
Jun 6, 2024
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD
Fangfang Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
High-power five-cylinder drilling pump set, solid control system an...
Publication number
20240125320
Publication date
Apr 18, 2024
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Fangfang Zhang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Crosshead part and crosshead system for drilling pumps and the dril...
Publication number
20230213065
Publication date
Jul 6, 2023
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Fangfang Zhang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Electric fracturing operation system
Publication number
20230175376
Publication date
Jun 8, 2023
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Meiying Xie
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HARD PIPE CONNECTING DEVICE AND MANIFOLD SYSTEM THEREOF
Publication number
20230082967
Publication date
Mar 16, 2023
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Quan LUO
E21 - EARTH DRILLING MINING
Information
Patent Application
Coiled tubing operating system and coiled tubing operating method
Publication number
20230076707
Publication date
Mar 9, 2023
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Daiwei Shan
E21 - EARTH DRILLING MINING
Information
Patent Application
FULLY ELECTRIC-DRIVE SAND-MIXING APPARATUS, AND AUTOMATIC CONTROL S...
Publication number
20220219129
Publication date
Jul 14, 2022
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Yu Tian
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DRILLING MACHINES AND METHODS THEREOF
Publication number
20220098938
Publication date
Mar 31, 2022
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Chong CHEN
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS FOR TRIPPING A DRILLING RIG OR A WORKOVER RIG
Publication number
20220074275
Publication date
Mar 10, 2022
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Junqing CHAI
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING RIG
Publication number
20190316421
Publication date
Oct 17, 2019
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Rui LUO
E21 - EARTH DRILLING MINING
Information
Patent Application
Fracturing Pump
Publication number
20150078924
Publication date
Mar 19, 2015
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
Mi Zhang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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