Sou Hu Cai Jing·2026-01-23 21:52Group 1 - The core viewpoint of the article highlights that China Petroleum (601857) has recently obtained a new invention patent titled "Rod Buffering Lowering Device and Method," with the application number CN202311442034.1, authorized on January 23, 2026 [1] - The patent relates to well tool technology, featuring a compact and rational structure that allows for the slow lowering of the rod through a connecting sleeve, enhancing operational efficiency [1] - In 2023, China Petroleum has received a total of 152 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 enterprises and participated in 443 bidding projects [2] - The company holds 105 trademark records 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]