Sou Hu Cai Jing·2025-06-25 04:53Group 1 - The core viewpoint of the news is the application for a patent related to an intelligent monitoring method and device for oil casing production, which aims to enhance quality control in the oil and gas industry [1] - The patent, titled "An Intelligent Monitoring Method and Device for Oil Casing Production," was applied for by three companies: China National Petroleum Corporation, China Petroleum Group Engineering Materials Research Institute, and Beijing Longsheng Taike Oil Pipe Technology Co., Ltd. [1] - The patent focuses on real-time data collection and centralized management of key manufacturing information, which can improve the accuracy and efficiency of monitoring work in oil casing production [1] Group 2 - China National Petroleum Corporation, established in 1990, has a registered capital of 48.69 billion RMB and has invested in 112 companies, participated in 5,000 bidding projects, and holds 5,000 patents [2] - China Petroleum Group Engineering Materials Research Institute, founded in 2021, has a registered capital of 67.91 million RMB, invested in 4 companies, and participated in 1,254 bidding projects, holding 647 patents [2] - Beijing Longsheng Taike Oil Pipe Technology Co., Ltd., established in 2004, has a registered capital of 20 million RMB, participated in 170 bidding projects, and holds 177 patents [2]