US Patent Issued to SouthWest Petroleum University on Oct. 21 for "Stress sensitivity analysis method for fractured gas reservoir" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,563, issued on Oct. 21, was assigned to SouthWest Petroleum University (Chengdu, China).

"Stress sensitivity analysis method for fractured gas reservoir" was invented by Nutao Wang (Chengdu, China), Yue Cao (Chengdu, China), Chengyang Zhang (Chengdu, China) and Hang Li (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stress sensitivity analysis method for a fractured gas reservoir includes: S1, calculating a material balance quasi-time; S2, calculating a normalized production; S3, calculating a single well controlled reserve; S4, analyzing and judging a stress sensitivity. Based on the normalized quasi-pressure and quasi-time, the ga...