Method for Calculating Wellbore Friction Resistance of Foam Drainage Gas Production Well

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United States of America Patent

APP PUB NO 20250101866A1
SERIAL NO

18972841

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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 Mukherjee & Brill model, it defines the liquid film reversal point as the zero friction resistance point, ignores the influence of the negative value of friction resistance, and uses this as a starting point to predict the change of friction resistance. The influence of liquid phase parameters and foaming agent concentration is taken into account in the friction resistance coefficient. An effective calculation method is obtained by combining the experimental data fitting and optimization. The present disclosure better characterizes the wellbore flow condition of the foam drainage gas production well, and provides important theoretical support for the prediction of the wellbore pressure drop of the foam drainage gas production well.

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UNIV SOUTHWEST PETROLEUMCHENGDU SICHUAN 610500 XINDU AVENUE XINDU AREA 8#

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cai, Haibin Chengdu City, CN 2 1
Liu, Yang Chengdu City, CN 1941 7962
Liu, Yonghui Chengdu City, CN 30 150
Luo, Chengcheng Chengdu City, CN 3 0
Shi, Yu Chengdu City, CN 164 1313
Wang, Ziyan Chengdu City, CN 8 14
Wu, Pengbo Chengdu City, CN 4 0
Yang, Jianying Chengdu City, CN 13 14
Zhang, Zhenghao Chengdu City, CN 10 14

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