US Patent Issued to Southwest Petroleum University on Nov. 25 for "Device and method for determining gas diffusion coefficient in rocks" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,854, issued on Nov. 25, was assigned to Southwest Petroleum University (Chengdu, China).

"Device and method for determining gas diffusion coefficient in rocks" was invented by Ruihan Zhang (Chengdu, China), Feng Ge (Chengdu, China), Jianfa Wu (Chengdu, China), Jian Zheng (Chengdu, China), Hongxi Li (Chengdu, China), Qian Li (Chengdu, China), Yulong Zhao (Chengdu, China), Tao Zhang (Chengdu, China), Bo Hu (Chengdu, China) and Liehui Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a device and method for determining gas diffusion coefficient in rocks. The device includes: a core holder, a sampling mechanism, a gas an...