ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,985, issued on Dec. 30, was assigned to PetroChina Co. Ltd. (Beijing).
"Oil well optical fiber multi-parameter testing method and apparatus" was invented by Yunbo Li (Beijing), Mei Qi (Beijing), Zhaopeng Yang (Beijing), Likun Xu (Beijing), Zhangcong Liu (Beijing), Fang Xu (Beijing), Jian Liu (Beijing) and Jian Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present disclosure are an oil well optical fiber multi-parameter testing method and apparatus. The method includes: collecting monitoring data at a preset position, and the monitoring data at least includes temperature data, pressure data and vibration data; performing ...