ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,623, issued on June 17, was assigned to SOUTHWEST PETROLEUM UNIVERSITY (Chengdu, China).

"Methods for diagnosing control effectiveness of fracture heights in hydraulic fracturing by combining monitoring pressure signals" was invented by Xiyu Chen (Chengdu, China), Manqing Qian (Chengdu, China), Yongming Li (Chengdu, China), Jinzhou Zhao (Chengdu, China), Xia Dan (Chengdu, China), Linyao Yu (Chengdu, China) and Zhibo Yu (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the present disclosure provide a method for diagnosing control effectiveness of a fracture height in hydraulic fracturing by combining monitoring a pres...