Sou Hu Cai Jing·2026-01-07 10:58Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a method and related device for constructing a self-supervised dataset for seismic pre-training large models, indicating a focus on innovation in data processing and model training in the oil and gas sector [1] Group 2 - CNPC was established in 1999 and is primarily engaged in oil and gas extraction, with a registered capital of 18,302,097,000 RMB [2] - The company has made investments in 1,296 enterprises and participated in 443 bidding projects, showcasing its extensive involvement in the industry [2] - CNPC holds 38 trademark registrations and 5,000 patent records, along with 168 administrative licenses, reflecting its significant intellectual property portfolio [2]