[1]邓有根,郑波,李一朋,等. 牛东火山岩油藏水平井重复压裂技术[J].油气井测试,2021,30(05):32-36.[doi:10.19680/j.cnki.1004-4388.2021.05.006]
　DENG Yougen,ZHENG Bo,LI Yipeng,et al. Refracturing technology for horizontal wells in Niudong volcanic oil reservoir[J].Well Testing,2021,30(05):32-36.[doi:10.19680/j.cnki.1004-4388.2021.05.006]
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 牛东火山岩油藏水平井重复压裂技术()
分享到：

《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年05期
页码:
32-36
栏目:
出版日期:
2021-10-25

文章信息/Info

Title:
 Refracturing technology for horizontal wells in Niudong volcanic oil reservoir
文章编号:
1004-4388(2021)05-0032-05
作者:
 邓有根; 郑波; 李一朋; 岳翰林; 鲍黎
 中国石油集团西部钻探工程有限公司吐哈井下作业公司 新疆鄯善 838200
Author(s):
 DENG Yougen;  ZHENG Bo;  LI Yipeng;  YUE Hanlin;  BAO Li
 

Tuha Downhole Operation Company, CNPC Western Drilling Engineering Co.， Ltd., Shanshan, Xinjiang 838200,

China

关键词:
 ; 牛东火山岩;  非常规油藏;  重复压裂;  暂堵剂;  转向压裂;  注水吞吐;  水平井
Keywords:
 ; 

Niudong volcanic rock;  unconventional oil reservoir;  refracturing;  temporary plugging agent; 

diverting fracturing;  water swallowingspitting;  horizontal wells

分类号:
TE377
DOI:
10.19680/j.cnki.1004-4388.2021.05.006
文献标志码:
B
摘要:

针对三塘湖盆地牛东火山岩非常规油藏采用衰竭式开采引起地层能量下降，水平井产能递减较快，采出程度低等问题，开展了水平井重复压裂技术

研究。通过地质研究与评价，优选压裂甜点层段，采用注水吞吐与暂堵转向压裂工艺相结合的技术思路，优选水溶性暂堵剂，对暂堵分级、暂堵剂用量、暂堵剂加注浓度、加

注方式进行优化，暂堵压裂过程压力响应明显。2017-2019年在牛东火山岩非常规油藏现场应用58井次，压后平均增油达91 t/d,平均单井累计增油730 t，增产效果显著。

该研究对非常规油藏水平井重复压裂具有借鉴意义。

Abstract:
 

The depletion production of Niudong volcanic unconventional oil reservoir in Santanghu basin

has resulted in the decrease of formation energy, the rapid decline of horizontal well productivity and the low recovery degree. In response to these

issues, the research on refracturing technology used in horizontal wells is carried out in this paper. Through geological research and evaluation, the

fracturing ‘sweet spots’ were selected. Based on the technical idea of combining water swallowingspitting with temporary plugging and diverting

fracturing technology, watersoluble temporary plugging agents were selected. Moreover, the temporary plugging classification, the addition amount

of temporary plugging agents, the concentration of temporary plugging agents and injection method were optimized. Obvious pressure response was observed

during the temporary plugging and fracturing operation. During 20172019, the technology has been applied 58 well times in Niudong volcanic

unconventional oil reservoir, the average oil production after fracturing has increased by 91 t/d, and the average singlewell cumulative oil

production increased by 730 t, indicating a significant increase in production. This technology has a great signification for the refracturing of

horizontal wells in unconventional oil reservoir.

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备注/Memo

备注/Memo:
 收稿日期 2020-11-02收稿，2021-07-25修回,2021-08-04接受,2021-10-20网络版发表
中国石油吐哈油田科技项目“水平井老井重复压裂技术”（JGSS2c2019048）

邓有根，男，1986年10月出生，工程师，2009年毕业于中国石油大学（北京）地质工程专业，现主

要从事压裂酸化工艺技术研究及现场管理工作。电话： 0995-8373320，13179957654；Email：dengygjx@petrochina.com.cn。通信地址：新疆鄯善县新城东路1967号，邮政

编码：838200。

更新日期/Last Update: 2021-11-25