[1]吴晓光,袁莉,李萌,等. 川西坳陷洛带气田致密砂岩气藏压力恢复试井特征分析[J].油气井测试,2021,30(01):59-65.[doi:10.19680/j.cnki.1004-4388.2021.01.011]
　WU Xiaoguang,YUAN Li,LI Meng,et al.Pressure buildup test characteristics of tight sandstone gas reservoir in Luodai gas field, Western Sichuan depression[J].Well Testing,2021,30(01):59-65.[doi:10.19680/j.cnki.1004-4388.2021.01.011]
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 川西坳陷洛带气田致密砂岩气藏压力恢复试井特征分析()
分享到：

《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
30卷
期数:
2021年01期
页码:
59-65
栏目:
出版日期:
2021-02-25

文章信息/Info

Title:
Pressure buildup test characteristics of tight sandstone gas reservoir in Luodai gas field, Western Sichuan depression
文章编号:
1004-4388(2021)01-0059-07
作者:
 吴晓光; 袁莉; 李萌; 王志文; 林绍文
 中国石化西南石油工程有限公司测井分公司 四川成都 610100
Author(s):
 WU Xiaoguang; YUAN Li;  LI Meng; WANG Zhiwen; LIN Shaowen

WellLogging Services Company, SINOPEC Southwest Petroleum Engineering Co. Ltd., Chengdu,

Sichuan 610000, China

关键词:
 ; 洛带气田; 遂宁组; 致密砂岩气藏; 试井解释; 压裂; 压力恢复; 线性流
Keywords:

Luodai gas field;  Suining formation;  tight sandstone gas reservoir;  well test

interpretation;  fracturing;  pressure recovery;  linear flow

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.01.011
文献标志码:
B
摘要:
 

川西坳陷洛带气田遂宁组致密砂岩储层多具备独立的压力系统，压裂后压力恢复缓慢，多未出现径向流特征。

针对致密砂岩气井压裂后的不同渗流特征，选择相应的试井井例，对洛带气田遂宁组气藏压力和产能进行监测；对储层水力压裂改造效果、井底污染情况进行评价；对砂体形

状、连通情况，以及边界特征进行识别，辅助气藏地质认识；对地层压力恢复试井特征进行分析。结果表明，压力恢复作业前，应排出井底积液、排除井内异常工况，降低压

力恢复的异常波动；评价解释需结合气藏地质特征和测试、测井、地震资料等多种动静态资料，以提高解释精度。该分析为遂宁组气藏特征描述、压裂效果评价、合理开发等

提供了科学依据，对类似地质条件和生产工况下的致密砂岩气井压力恢复试井解释具有一定的借鉴意义。

Abstract:

The tight sandstone reservoirs of Suining Formation in Luodai gas field of

Western Sichuan Depression mostly have independent 〖JP〗pressure system, and the pressure recovery is slow after fracturing, and most of them have no

radial flow characteristics. According to the different seepage characteristics of tight sandstone gas wells after fracturing, the corresponding well

test cases are selected to monitor the pressure and productivity of Suining Formation gas reservoir in Luodai gas field; the effect of reservoir

hydraulic fracturing and bottom hole pollution are evaluated; the sand body shape, connectivity and boundary characteristics are identified to assist

gas reservoir geological understanding; and the formation pressure recovery well test characteristics are analyzed. The results show that before

the pressure recovery operation, the bottom hole liquid should be drained, the abnormal working conditions in the well should be eliminated, and the

abnormal fluctuation of pressure recovery should be reduced; the evaluation and interpretation should be combined with the geological characteristics of

the gas reservoir and a variety of dynamic and static data such as testing, logging and seismic data to improve the interpretation accuracy. This

analysis provides a scientific basis for the description of Suining Formation gas reservoir characteristics, fracturing effect evaluation and reasonable

development, and has a certain reference for pressure buildup test interpretation of tight sandstone gas wells under similar geological conditions

and production conditions.

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备注/Memo

备注/Memo:
 2020-07-30收稿，2020-12-10修回,2021-01-04接受,2021-02-20 网络版发表

中石化西南油气田科研项目“洛带气田遂宁组气藏剩余未动用储量精细评价”（1500003318

ZC06090001）


吴晓光，男，1985年出生，硕士，工程师，2011年毕业于中国石油大学（华东）地质学专业，现

从事试井、测井资料处理解释及油气地质综合评价研究工作。电话：028-84872363，15102815903；Email：122783907@qq.com。通信地址：四川省成都市龙泉驿区鲸龙路66号

中石化西南石油工程有限公司测井分公司，邮政编码：610100。

更新日期/Last Update: 2021-03-09