[1]翟中波,杜奎甫,张凤琼,等. 延X井区产水气井生产状况分析[J].油气井测试,2022,31(03):21-27.[doi:10.19680/j.cnki.1004-4388.2022.03.004]
　ZHAI Zhongbo,DU Kuifu,ZHANG Fengqiong,et al. Analysis on Production Characteristics of water producing Gas Wells in Yan X well block[J].Well Testing,2022,31(03):21-27.[doi:10.19680/j.cnki.1004-4388.2022.03.004]
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 延X井区产水气井生产状况分析()
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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:
21-27
栏目:
出版日期:
2022-06-25

文章信息/Info

Title:
 Analysis on Production Characteristics of water producing Gas Wells in Yan X well block
文章编号:
1004-4388(2022)03-0021-07
作者:
 翟中波1; 杜奎甫2; 张凤琼3; 胡苗1; 杨卫刚1; 田明山1
 1.斯伦贝谢长和油田工程有限公司 陕西西安 710061
2.斯伦贝谢中国公司 北京 100015
3.西南油气田分公司重庆气矿 重庆 401147
Author(s):
 ZHAI Zhongbo1;  DU Kuifu2;  ZHANG Fengqiong3;  HU Miao1;  YANG Weigang1;  TIAN Mingshan1
 1.Schlumberger Copower Oilfield Services Co., Ltd., Xi’an 710061, Shaanxi, China
2.Shaanxi Yanchang Petroleum (Group) Exploration Company, Yan’an 716002, Shaanxi, China
2.Schlumberger China Co., Ltd., Beijing 100015, China
3.Chongqing Gas Mine, Southwest Oil and Gas Field Branch, Chongqing 401147, China
关键词:
 ; 产水气井; 致密气藏; 排水采气; 井下节流器; 速度管; 积液; 排水机制; 水气比
Keywords:
 ; waterproducing gas well;  tight gas reservoir;  gas recovery by water drainage;  downhole choke;  velocity string;  liquid loading effusion ;  drainage mechanism;  watergas ratio
分类号:
TE377
DOI:
10.19680/j.cnki.1004-4388.2022.03.004
文献标志码:
B
摘要:
 

延X井区属于致密气项目，为低压集输系统，易造成气井积液甚至水淹完全不能生产。模拟气井不同生产阶段的储层状况、气液流速及排液能力，结合李闽、Turner和Gray模型，分析了气井积液的机制，安装井下节流器能够降低集输压力，防止水合物冰堵，随着储层压力降低，节流器下部易发生积液，需要及时拔出节流器并配合其它排水采气措施生产；速度管能够降低临界携液流速，使气井保持长期稳定生产。现场Y05井应用效果表明，安装井下节流器、速度管等排水采气措施后，效果显著。该技术可有效提高延X井区致密气项目的最终采收率。

Abstract:
 


In Yan X well block, which is a tight gas project, the gathering & transmission system is a lowpressure system, which may cause gas well liquid loading or even complete water flooding,

resulting in failure of production. In this paper, the reservoir conditions, gasliquid velocity, nd drainage capacity of gas wells in different production stages are simulated, and coupling with the models proposed by Li Min, Turner and Gray, the mechanism of gas well liquid loading effusion is analyzed. The results show that the downhole choke can be installed to reduce the gathering & transmission pipeline pressure and prevent hydrate ice blockage; however, with the decrease of reservoir pressure, the lower part of the choke is prone to liquid loading effusion , so it is necessary to pull out the choke in time and cooperate with other processes of gas recovery by water drainage. Moreover, the velocity string tube can reduce the critical liquid carrying flow rate and thus keep the gas well in longterm stable production. The application in Well Y05 shows remarkable effect after installing downhole choke and velocity string tube . This technology is believed to effectively improve the ultimate recovery of tight gas in Yan X well block.

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备注/Memo

备注/Memo:
 2021-07-03收稿，2021-12-09修回,2022-03-25接受,2022-06-20网络版发表
翟中波，男，1987年出生，工程师， 硕士，2013年毕业于西安交通大学材料科学与工程专业，现从事油气井生产技术和完修井工作。电话：029-65698666。
Email: zhaizhongbo@hotmail.com ，通信地址：陕西省西安市未央区花园路2号，邮政编码： 710061。
更新日期/Last Update: 2022-07-11