Core Insights - China National Offshore Oil Corporation (CNOOC) and its subsidiaries have recently obtained a patent for a fractional device and method used in catalytic cracking or catalytic cracking processes, with the patent application date being June 2023 [1][3]. Company Overview - CNOOC was established in 1983 and is headquartered in Beijing, primarily engaged in oil and gas extraction. The company has a registered capital of 11,380 million RMB and has invested in 45 enterprises, participated in 5,000 bidding projects, and holds 281 trademark records and 5,000 patent records [1]. - CNOOC Refining & Chemical Co., Ltd. was founded in 2005, also located in Beijing, focusing on oil, coal, and other fuel processing. It has a registered capital of approximately 1,899.55 million RMB, invested in 28 enterprises, participated in 4,043 bidding projects, and holds 456 trademark records and 476 patent records [2]. - CNOOC Chemical and New Materials Research Institute (Beijing) Co., Ltd. was established in 2016, with a registered capital of 96.12 million RMB. The company has invested in 1 enterprise, participated in 283 bidding projects, and holds 203 patent records [2]. - CNOOC (Qingdao) Heavy Oil Processing Engineering Technology Research Center Co., Ltd. was founded in 2007, located in Qingdao, with a registered capital of approximately 82.36 million RMB. It has participated in 51 bidding projects and holds 179 patent records [2].