[1]王伟佳.页岩气井无限级固井滑套压裂技术 [J].油气井测试,2018,27(05):37-41.[doi:10.19680/j.cnki.1004-4388.2018.05.007]
　WANG Weijia.Infinitestage cementing sleeve fracturing technology for shale gas wells[J].Well Testing,2018,27(05):37-41.[doi:10.19680/j.cnki.1004-4388.2018.05.007]
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页岩气井无限级固井滑套压裂技术  ()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2018年05期
页码:
37-41
栏目:
出版日期:
2018-10-25

文章信息/Info

Title:
Infinitestage cementing sleeve fracturing technology for shale gas wells
文章编号:
1004-4388(2018)05-0037-05
作者:
王伟佳
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):
WANG Weijia
Shale Gas service Company, SINOPEC Jianghan Oilfield Service Corporation, Wuhan, Hubei 430074, China 
关键词:
页岩气; 水平井; 压裂; 固井; 滑套; 连续油管
Keywords:
shale gas;  horizontal well;  fracturing;  cementing;  sliding sleeve;  coiled tubing ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2018.05.007
文献标志码:
B
摘要:
传统的页岩气井多级桥塞射孔联作压裂无法保证压裂液和支撑剂的去向，压裂效果差。无限级固井滑套压裂技术井下工具由趾端滑套、固井滑套及滑套开关工具组成，根据国内页岩气地质情况优化开关滑套及压裂施工程序，针对施工井况制定应急处置措施，在涪陵页岩气田进行了实际应用。实际应用中出现因固井质量差滑套的开启难以满足预期、连续油管外压裂时对管材易冲蚀、封隔器附近易发生砂堵、施工排量限制较多、封隔器不容易通过滑套、连续油管水平段延伸困难等多种问题。该工艺对埋藏深、水平段长、井眼轨迹复杂、压裂改造规模较大的页岩气井还未完全适用，还需继续探索。
Abstract:
The traditional multistage bridge plug perforation cannot guarantee the direction of fracturing fluid and proppant when fracturing, and the fracturing effect cannot be guaranteed, which leads to a bad the fracturing result. An infinitestage cementing sliding sleeve fracturing downhole tool was designed by combining the toeend sliding sleeve, cementing sliding sleeve and sliding sleeve switching tool combination. According to the domestic shale gas geological conditions, this paper optimizes the switch sleeve and the construction procedures of fracturing and formulates emergency treatment measures for the specific well conditions of construction. Finally, the technology has been successfully applied in the Fuling shale gas field. However, a series of problems have arisen in the actual application process. For example, poor cementing quality will cause the opening of the sliding sleeve cannot meet the expectations; the tubing is prone to erosion during fracturing because of has high requirements on the strength of the tubing; sand plugging is easy to occur near the packer; there are many restrictions on construction displacement; packer does not easily pass through the sliding sleeve; and the horizontal section of coiled tubing is difficult to extend. For shale gas wells with deep burial, long horizontal section, complex well trajectory and large scale of fracturing, this technology is not fully applicable, so it is necessary to continue exploring.

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备注/Memo

备注/Memo:
2018-01-22 收稿, 2018-04-11 修回, 2018-04-28 接受, 2018-10-20 网络版发表
王伟佳，男，1983年出生，硕士研究生，工程师，2011年6月毕业于西南石油大学石油工程测井专业，现从事连续油管相关作业。电话：13628661695；Email：weijia07@163.com。通信地址：湖北省武汉市洪山区光谷大道61号光谷智慧园，邮政编码：430074。
更新日期/Last Update: 2018-11-16