Sou Hu Cai Jing·2026-01-14 11:35Group 1 - The core viewpoint of the news is that China National Petroleum Corporation (CNPC) has applied for a patent for a method and system for identifying hydrocarbon source rock types, aimed at improving the efficiency and accuracy of hydrocarbon exploration and development [1] Group 2 - The patent application, published as CN121324614A, was filed on July 2024 and addresses the limitations of existing methods that are heavily influenced by human subjectivity and have low identification efficiency and accuracy [1] - The proposed method involves analyzing the correlation of various parameters of hydrocarbon source rock samples and classifying them into different types through a hierarchical merging approach [1] - Different identification models for various types of hydrocarbon source rocks will be established based on the parameter data of these samples, allowing for efficient classification of unidentified samples [1] Group 3 - CNPC, established in 1999 and headquartered in Beijing, primarily engages in oil and gas extraction, with a registered capital of 18,302,097,000 RMB [2] - The company has invested in 1,296 enterprises and participated in 443 bidding projects, holding 38 trademark records and 5,000 patent records, along with 168 administrative licenses [2]