Jin Rong Jie·2025-07-18 01:51Group 1 - China National Petroleum Corporation (CNPC) has obtained a patent for a "downhole logging device," which enhances the success rate of deploying flexible bands in seismic exploration [1] - The patent was granted on July 18, 2025, with an application date of September 2024, indicating ongoing innovation in the field [1] - The downhole logging device includes components such as a base, steel wire rope, first and second drums, a fixed pulley, and a guide body, designed to minimize the risk of breakage and friction during deployment [1] Group 2 - CNPC, established in 1990, is primarily engaged in oil and gas extraction, with a registered capital of 48.69 billion RMB [2] - The company has made investments in 113 enterprises and participated in 5,000 bidding projects, showcasing its extensive operational footprint [2] - China National Petroleum Corporation (CNPC) holds 1,446 trademark records and 5,000 patent records, along with 28 administrative licenses [2] Group 3 - China National Petroleum Group Eastern Geophysical Exploration Co., Ltd., founded in 2000, focuses on professional technical services with a registered capital of approximately 1.53 billion RMB [2] - This subsidiary has invested in 31 enterprises and engaged in 2,015 bidding projects, indicating its active role in the industry [2] - The company possesses 100 trademark records, 3,274 patent records, and 241 administrative licenses, reflecting its commitment to innovation and compliance [2]