Sou Hu Cai Jing·2026-01-23 21:52Group 1 - China Petroleum (601857) has been granted a new invention patent titled "Intelligent Identification and Control Device and Method for Rod Breakage," with application number CN202511564680.4, authorized on January 23, 2026 [1] - The patent relates to oil extraction engineering technology, featuring a compact structure that includes a left sealing core, right sealing core, valve housing, and detection mechanism, which can effectively prevent fluid leakage from the well [1] - In 2023, China Petroleum has obtained 152 new patent authorizations, representing a 210.2% increase compared to the same period last year [1] Group 2 - China Petroleum has made investments in 1,297 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]