US Patent Issued to Southwest Petroleum University on June 17 for "Experimental device and method for solubility determination of methane in oil-based drilling fluid" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,231, issued on June 17, was assigned to Southwest Petroleum University (Chengdu, China).

"Experimental device and method for solubility determination of methane in oil-based drilling fluid" was invented by Jie Zhang (Chengdu, China), Xuefeng Sun (Chengdu, China), Qiulai Xue (Chengdu, China), Cuinan Li (Chengdu, China), Qiang Wei (Chengdu, China), Zhilin Li (Chengdu, China), Mubai Duan (Chengdu, China) and Xianjie He (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an experimental device and method for solubility determination of methane in oil-based drilling fluid, comprising a pressure-resistant gas chamber and an equilib...