Sou Hu Cai Jing·2026-01-23 21:52Group 1 - The core point of the article is that China Petroleum (601857) has been granted a new invention patent for a "multi-stage pipe aggregation scale removal device," which enhances the efficiency of scale removal in oil extraction processes [1] - The patent includes a compact structure that effectively separates gas, oil, and water phases during unstable extraction conditions, improving the scale removal process [1] - In 2023, China Petroleum has received 152 new patent authorizations, representing a 210.2% increase compared to the same period last year [1] Group 2 - China Petroleum has invested in 1,297 external companies and participated in 443 bidding projects [2] - The company holds 105 trademark registrations and 48,144 patent records, along with 168 administrative licenses [2] - In 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% [1]