Sou Hu Cai Jing·2026-01-05 01:03Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation, Beijing Petroleum Machinery Co., Ltd., China Petroleum Group Kunlun Manufacturing Co., Ltd., and Chongqing Wanpulon Energy Technology Co., Ltd. have applied for a patent titled "A Method and Device for Identifying Wellsite Skid-mounted Equipment Based on Edge-Cloud Collaboration," with publication number CN121262573A and application date of September 2025 [1] - The patent provides a method for identifying wellsite skid-mounted equipment using multimodal recognition to obtain equipment information, including status and attribute information, and utilizes a cloud server for identity and status recognition, enhancing identification efficiency, accuracy, safety, and intelligence of the equipment [1] Group 2 - China National Petroleum Corporation, established in 1990, is primarily engaged in oil and gas extraction, with a registered capital of 48.69 billion RMB, and has invested in 107 companies and participated in 5,000 bidding projects [2] - Beijing Petroleum Machinery Co., Ltd., founded in 1955, focuses on automotive manufacturing, with a registered capital of approximately 448.41 million RMB, having invested in 3 companies and participated in 806 bidding projects [2] - China Petroleum Group Kunlun Manufacturing Co., Ltd., established in 2023, is involved in the petroleum, coal, and other fuel processing industries, with a registered capital of 580 million RMB, having invested in 8 companies and participated in 24 bidding projects [2] - Chongqing Wanpulon Energy Technology Co., Ltd., founded in 2017, specializes in technology promotion and application services, with a registered capital of 10 million RMB, having invested in 1 company and participated in 119 bidding projects [3]