[1]宋国强,崔雷. 水平气井全井段气水两相流动数值模拟分析[J].油气井测试,2022,31(03):16-20.[doi:10.19680/j.cnki.1004-4388.2022.03.003]
　SONG Guoqiang,CUI Lei. Numerical simulation analysis of gaswater twophase flow in fullhole of horizontal gas well[J].Well Testing,2022,31(03):16-20.[doi:10.19680/j.cnki.1004-4388.2022.03.003]
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 水平气井全井段气水两相流动数值模拟分析()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
31
期数:
2022年03期
页码:
16-20
栏目:
出版日期:
2022-06-25

文章信息/Info

Title:
 Numerical simulation analysis of gaswater twophase flow in fullhole of horizontal gas well
文章编号:
1004-4388(2022)03-0016-05
作者:
 宋国强; 崔雷
 中国石油集团大庆钻探工程有限公司试油测试公司 吉林松原 138000
Author(s):
 SONG Guoqiang;  CUI Lei
 Oil Testing Company, CNPC Daqing Drilling & Exploration Engineering Co., Ltd., Songyuan, Jilin 138000, China
关键词:
水平井; 气井; 积液识别; 全井段; 气水两相流动; 数值模拟; 持液率; 产能分析
Keywords:
 ; 

horizontal well;  gas well;  liquid load identification;  fullhole;  gas water twophase flow;  numerical simulation;  liquid holdup;  productivity analysis

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2022.03.003
文献标志码:
B
摘要:
 

水平井钻采技术井筒形态复杂，导致井筒管流产生相应的变化，影响地面井控装置操作参数的确定。为明确水平井气水两相流动规律，建立水平井积液识别方法，利用

相似原理建立水平气井全井段气水两相流动理论计算模型，应用多相流模拟软件对水平井积液过程进行数值模拟分析。模拟结果表明，水平井积液后水平段的压力损失较小，积液易堆积在造斜段，对产能造成较大影响。各井

段持液率的影响因素分析结果显示，当管径大于40 mm时，持液率大幅增加；当上倾角为65°时，持液率出现峰值，且倾角与持液率呈角度函数变化趋势。该研究对建立水平井积液识别方法提供理论支撑。

Abstract:
 

The shape of wellbore with horizontal well drilling and production technology is complex, which leads to corresponding changes

in wellbore pipeflow and then affects the determination of the operating parameters of surface well control device. In order to clarify the pattern of gaswater twophase flow in horizontal

wells and establish a method for identifying liquid load in horizontal wells, a theoretical calculation model of gaswater twophase flow in fullhole of horizontal gas well was established

according to the similarity principle, and the process of liquid loading in horizontal well was numerically simulated using the multiphase flow simulation software. The results show that the

pressure loss in the horizontal section after liquid loading is small, and the liquid easily accumulates in the deflection section, which has a great impact on the productivity. According to the

analysis of factors influencing the liquid holdup in each well section, when the pipe diameter is greater than 40 mm, the liquid holdup increases significantly; when the updip angle is 65°, the

liquid holdup reaches a peak, and the dip angle and the liquid holdup tend to change as an angle function. This study provides a theoretical support for establishing a method for identifying

liquid load in horizontal wells.

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备注/Memo

备注/Memo:
 2021-08-06收稿，2021-09-19修回,2022-04-09接受,2022-06-20网络版发表

宋国强，男，1982年出生，工程师，2007年毕业于大庆石油学院石油工程专业，现主要从事试油气技术的研究与应用工作。电话：0438-6280846，

13596962613；Email： 279327255@qq.com 。通信地址：吉林省松原市宁江区新世纪小区5排3栋，邮政编码：138000。

更新日期/Last Update: 2022-07-11