Experimental Analysis of Gas Holdup Measured by Gas Array Tool in Gas-Water Two Phase of Horizontal Well

被引：13

作者：

Cui, Shuaifei ^{[1
]}

Liu, Junfeng ^{[2
]}

Chen, Xulong ^{[3
]}

Li, Qinze ^{[1
]}

机构：

[1] Yangtze Univ, Coll Geophys & Petr Resources, Wuhan 430100, Peoples R China

[2] Yangtze Univ, Minist Educ, Key Lab Explorat Technol Oil & Gas Resources, Wuhan 430100, Peoples R China

[3] CNPC Logging Co Ltd, Prod Logging Ctr, Xian 710000, Peoples R China

来源：

COATINGS | 2021年 / 11卷 / 03期

关键词：

horizontal well; gas– water two phase; gas holdup; gas array tool; capacitance array tool; simulation experiment;

D O I：

10.3390/coatings11030343

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the gas-water two phase of horizontal well, gas holdup is usually obtained by inverse calculation of the water holdup measured by the array capacitance probes. Gas Array Tool (GAT) has been developed to directly measure gas holdup. This instrument has been introduced into China and its simulation experiment in gas-water two phase flow in horizontal wells has been carried out for the first time to study the applicability of gas holdup measurement. Firstly, the response principle and measurement method of GAT are analyzed; secondly, the experimental data of GAT under different flowrates, water cut, and different cable speed are plotted and analyzed; finally, the gas holdup data measured by GAT and Capacitance Array Tool (CAT) are compared by using an interpolation algorithm. It is found that the response of the optical fiber probe is consistent and stable. It also proves the accuracy of gas identification and the applicability of gas holdup measurement under test conditions by GAT, which lays a foundation for further gas holdup measurement, interpretation, and field test in the future.

引用

页数：9

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