[1]邹顺良. 页岩气微注压降测试方法[J].油气井测试,2018,27(01):37-41.[doi:10.19680/j.cnki.1004-4388.2018.01.006]
　ZOU Shunliang. Shale gas injection/fall off testing method[J].Well Testing,2018,27(01):37-41.[doi:10.19680/j.cnki.1004-4388.2018.01.006]
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2018年01期
页码:
37-41
栏目:
出版日期:
2018-02-25

文章信息/Info

Title:
 

Shale gas injection/fall off testing method

文章编号:
1004-4388(2018)01-0037-05
作者:
邹顺良
中石化江汉石油工程有限公司页岩气开采技术服务公司  湖北武汉  430074
Author(s):
 

ZOU Shunliang

Shale Gas Mining Technology Services Company, Sinopec Jianghan Oilfield Service Co, Ltd, Wuhan, Hubei 430074, China

关键词:
页岩气; 微注压降; 试井测试; G函数; 拟径向流; 原始地层压力; 渗透率; 裂缝闭合
Keywords:
 ; 

shale gas;  injection/fall off;  well testing;  G function;  pseudo-radial flow;  initial formation pressure;  permeability;  fracture closure

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2018.01.006
文献标志码:
A
摘要:
微注压降测试方法可使超低渗透的页岩储层在短时间内出现拟径向流，可以解决传统压力恢复测试在页岩储层应用中难以达到拟径向流的难题，从而快速准确获取页岩储层原始地层压力、储层渗透率及地层可压性等参数，为压裂优化、产能评价等提供依据。通过对微注压降测试原理分析，针对涪陵页岩气井特点，开展了设备配套、工艺优化研究，并在涪陵页岩气田应用5井次，各井均在15 d以内出现了拟径向流，解释获取的储层参数与实验结果具有较好一致性，说明该测试方法适用于页岩储层测试评价，具有施工周期短、占用设备少的优点，是一种经济、高效、安全的试井测试手段。
Abstract:
 

The injection/fall off testing method can make the formation of ultra-low permeability shale reservoir reach pseudo-radial flow in a short time, which can solve the difficult problem of pseudo-radial flow in the formation of shale being difficult to appear by applying traditional pressure recovery testing. The parameters of initial formation pressure, reservoir permeability and fracability of shale reservoirs can be quickly and accurately obtained to provide basis for fracturing optimization and productivity evaluation. Through the analysis of the testing principle of mini injection/falloff, aiming at the characteristics of Fuling shale gas well, equipment matching and process optimization research were carried out. This method has been applied in 5 wells in the Fuling shale gas field, and all the wells reached pseudo-radial flow regime within 15 days. The results show that the injection/falloff testing method is suitable for the evaluation of shale reservoirs. At the same time, this testing method has short construction period and less equipment occupancy, so it is an economical, efficient and safe well testing method.

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备注/Memo

备注/Memo:
2017-03-08收稿，2017-11-22修回，2017-11-28接受，2018-03-30网络发表
邹顺良，男，1987年出生，工程师，2010年毕业于中国石油大学（北京）地质工程专业，现主要从事油藏评价工作。电话：17607192722；Email:zousl.osjh@sinopec.com。地址：湖北武汉东湖高新区大学园路18号，邮政编码：430074。
更新日期/Last Update: 2018-04-26