Jin Rong Jie·2025-12-30 05:10Group 1 - China National Offshore Oil Corporation (CNOOC) has obtained a patent for a method and system for designing parameters of a natural gas hydrate extraction experimental model, with the authorization announcement number CN116168773B and application date of February 2023 [1] - CNOOC was established in 1983 and is based in Beijing, primarily engaged in oil and gas extraction, with a registered capital of 11,380 million RMB [1] - CNOOC has made investments in 44 companies, participated in 5,000 bidding projects, and holds 281 trademark records and 5,000 patent records, along with 28 administrative licenses [1] Group 2 - CNOOC Research Institute Co., Ltd. was established in 2000 and is also based in Beijing, focusing on oil and gas extraction, with a registered capital of 172.707 million RMB [1] - The research institute has participated in 851 bidding projects, holds 13 trademark records and 1,563 patent records, and possesses 10 administrative licenses [1]