Group 1 - China Petroleum (601857) has recently obtained a new invention patent titled "Method, System, and Application for Removing Water from Carbon Dioxide Fluid Using Glycol," with the patent application number CN202310809073.4, authorized on January 23, 2026 [1] - The patent involves a method and system for removing water from carbon dioxide fluid using glycol, which includes calculating a correction coefficient based on the critical pressure of the carbon dioxide fluid and temperature, followed by pressure boosting and cooling to remove water [1] - The method aims to reduce energy consumption and lower process costs in the transportation of supercritical carbon dioxide fluid [1] Group 2 - In 2023, China Petroleum has received 152 new patent authorizations, representing a 210.2% increase compared to the same period last year [2] - For the first half of 2025, the company invested 9.899 billion yuan in research and development, reflecting a year-on-year increase of 2.51% [2] - China Petroleum has made investments in 1,297 enterprises and participated in 443 bidding projects, with a total of 48,144 patent information records [2]