US Patent Issued to General Prospecting Institute of China National Administration of Coal Geology on Dec. 16 for "Drilling method for storage well for liquid-gas two-phase combined geological storage" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,838, issued on Dec. 16, was assigned to General Prospecting Institute of China National Administration of Coal Geology (Beijing).

"Drilling method for storage well for liquid-gas two-phase combined geological storage" was invented by Song Du (Beijing), Qiaohui Che (Beijing), Degao Zhang (Beijing), Yinglin Fan (Beijing), Zhe Jiang (Beijing), Xiao Zhang (Beijing), Sitong Song (Beijing), Yonghan Liu (Beijing) and Yan Ding (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a drilling method for a storage well for liquid-gas two-phase combined geological storage, including the following steps: drilling down from a ground to the bottom of...