Sou Hu Cai Jing·2026-02-17 19:02Group 1 - China Petroleum (601857) has recently obtained a new invention patent titled "A Method and Device for Online Mobility Evaluation of Shale Oil Using Two-Dimensional Nuclear Magnetic Resonance," with the application number CN202511902158.2 and an authorization date of February 17, 2026 [1] - The patent involves a method for evaluating the mobility of shale oil, enhancing the accuracy of the evaluation process through a combination of low-frequency phase redundancy and echo invalidity [1] - In 2023, China Petroleum has received 342 new patent authorizations, representing an increase of 80.95% compared to the same period last year [1] Group 2 - In the first half of 2025, China Petroleum invested 9.899 billion yuan in research and development, which is a year-on-year increase of 2.51% [1] - The company has made investments in 1,300 enterprises and participated in 443 bidding projects [2] - China Petroleum holds 105 trademark records and 48,574 patent records, along with 168 administrative licenses [2]