Sou Hu Cai Jing·2026-01-20 04:56Group 1 - The State Intellectual Property Office of China has granted a patent for a geothermal energy utilization system and related methods to China National Petroleum Corporation and China Petroleum Group Engineering Technology Research Institute [1] - China National Petroleum Corporation, established in 1990, is primarily engaged in oil and natural gas extraction, with a registered capital of 48.69 billion RMB [1] - The corporation has invested in 107 companies, participated in 5,000 bidding projects, and holds 1,442 trademark records and 5,000 patent records [1] Group 2 - China Petroleum Group Engineering Technology Research Institute, founded in 2006, focuses on research and experimental development, with a registered capital of approximately 570.39 million RMB [1] - The institute has invested in 4 companies, participated in 578 bidding projects, and holds 33 trademark records and 2,220 patent records [1] - The institute also possesses 8 administrative licenses [1]