US Patent Issued on Aug. 26 for "Method for calculating wellbore friction resistance of foam drainage gas production well" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,640, issued on Aug. 26.

"Method for calculating wellbore friction resistance of foam drainage gas production well" was invented by Chengcheng Luo (Chengdu, China), Pengbo Wu (Chengdu, China), Yonghui Liu (Chengdu, China), Yu Shi (Chengdu, China), Yang Liu (Chengdu, China), Haibin Cai (Chengdu, China), Jianying Yang (Chengdu, China), Ziyan Wang (Chengdu, China) and Zhenghao Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for calculating wellbore friction resistance of a foam drainage gas production well. It is based on the conversion of the parameters of the gas-liquid two-phase flow Mukhe...