Group 1 - The core point of the article is that China Petroleum (601857) has been granted a new utility model patent for a "Drilling Cementing Throttle Valve," which enhances the reliability and stability of drilling operations [1] - The patent was authorized on January 23, 2026, with the application number CN202520197487.0, and it includes features that improve sealing performance and reduce fluid leakage risks [1] - In 2023, China Petroleum has obtained a total of 152 patent authorizations, representing a 210.2% increase compared to the same period last year [1] Group 2 - The company has invested in 1,297 enterprises and participated in 443 bidding projects [2] - China Petroleum holds 105 trademark registrations and 48,144 patent records, along with 168 administrative licenses [2] - The company invested 9.899 billion yuan in research and development in the first half of 2025, reflecting a year-on-year increase of 2.51% [1]
中国石油获得实用新型专利授权:“一种钻井固井节流器”