[1]常青,刘音,卢伟,等.微量物质示踪剂对页岩油水平井压后排液诊断技术[J].油气井测试,2021,30(03):32-38.[doi:10.19680/j.cnki.1004-4388.2021.03.006]
　CHANG Qing,LIU Yin,LU Wei,et al. Diagnostic technology of trace substance tracer for backflow liquid after fracturing in shale oil[J].Well Testing,2021,30(03):32-38.[doi:10.19680/j.cnki.1004-4388.2021.03.006]
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微量物质示踪剂对页岩油水平井压后排液诊断技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年03期
页码:
32-38
栏目:
出版日期:
2021-06-25

文章信息/Info

Title:
 Diagnostic technology of trace substance tracer for backflow liquid after fracturing in shale oil
文章编号:
1004-4388(2021)03-0032-07
作者:
常青1; 刘音2; 卢伟1; 王晓磊2; 张华3; 张磊2  
1.中国石油集团渤海钻探工程公司工程技术研究院  天津  300280
2.中国石油集团渤海钻探工程公司井下技术服务分公司  天津  300280
3.中国石油集团渤海钻探工程公司国际工程分公司  天津  300457  
Author(s):
 CHANG Qing1;  LIU Yin2;  LU Wei1;  WANG Xiaolei2;  ZHANG Hua3;  ZHANG Lei2
 

1.Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Company Limited, Tianjin

300280, China
2.Downhole Technology Service Branch, CNPC Bohai Drilling Engineering Company Limited, Tianjin 300280, China
3.International Engineering Company, CNPC Bohai Drilling Engineering Company Limited, Tianjin 300457, China

关键词:
 ; 页岩油;  水平井;  压裂;  微量物质示踪剂;  示踪诊断技术;  压后分析;  产液剖面
Keywords:
 ; shale oil;  horizontal well;  fracturing;  trace substance tracer;  tracer diagnosis technology;  analysis
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.03.006
文献标志码:
B
摘要:
 

为分析页岩油水平井、直井压裂施工后各层段返排产液情况，评价压裂效果，合成了20种微量物质示踪剂系列产品。施工时在每一段入井压

裂液中加入一种示踪剂，通过检测不同时段返排液中各种示踪剂的种类及含量，判定各层是否出液及出液顺序；通过分析计算得出各层返排液量及产液剖面，形成页岩油压裂

返排示踪诊断技术。该系列产品经室内实验评价，检出限均在80 mg/m3以内，可同时检测，灵敏度高，互无干扰，且与压裂液配伍性好。现场用于页岩油水平井吉岩油X井

20段压裂，压后累计测试119 d，获取各层段产液顺序、启动时间及产液量，落实了该井的产液剖面。该技术可为同区块后续压裂工艺参数的精确优化提供技术支撑。

Abstract:
 

To analyze the backflow production of shale oil horizontal wells and vertical wells after

fracturing, and evaluate the fracturing effect, 20 types of trace substance tracer products were synthesized. During the operation, one tracer is added

into the fracturing fluid of each section. By detecting the types and contents of various tracers in the backflow fluid of different sections at

different times, it is determined whether the fluid is discharged from each layer and its sequence; Through analysis and calculation, the flowback fluid

volume and production profile of each layer are obtained, thus forming the tracing diagnosis technology of shale oil fracturing flowback. The

detection limits of these products are all within 80 mg/m3, which can be detected at the same time with high sensitivity, no interference and good

compatibility with fracturing fluid. It was used for fracturing in 20 section of Well Jiyanyou X, a horizontal well of shale oil. The cumulative test

time after fracturing was 119 days. The fluid production sequence, startup time and fluid production of each section were obtained, and the fluid

production profile of the well was determined. This technology can provide technical support for accurate optimization of subsequent fracturing

process parameters in the same block.

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备注/Memo

备注/Memo:
2020-08-06收稿，2021-04-02修回,2021-04-12接受,2021-06-20网络版发表
中国石油集团渤海钻探工程公司重大研发课题“油气井压后各层段生产能力示踪诊断技术研究”（2019ZD09K-02）

作者简介 常青，女，1984 年出生，硕士，高级工程师，2009年毕业于西安交通大学化学工程与技术专业，现主要从事油田化学方面的研究工作。
电话：022-25967221，18622992873；Email：chang_qing@cnpc.com.cn。通信地址：天津市滨海新区大港油田渤海钻探工程技术研究院，邮政编

码：300280。

更新日期/Last Update: 2021-08-10