[1]郑道明,贺绍华,贾光亮.连续油管水平井滑套钻铣工艺技术[J].油气井测试,2019,28(02):45-50.[doi:10.19680/j.cnki.1004-4388.2019.02.008]
　ZHENG Daoming,HE Shaohua,JIA Guangliang.Technology of sliding sleeve milling in horizontal well using coiled tubing[J].Well Testing,2019,28(02):45-50.[doi:10.19680/j.cnki.1004-4388.2019.02.008]
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连续油管水平井滑套钻铣工艺技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年02期
页码:
45-50
栏目:
出版日期:
2019-04-25

文章信息/Info

Title:
Technology of sliding sleeve milling in horizontal well using coiled tubing
文章编号:
1004-4388(2019)02-0045-06
作者:
郑道明1; 贺绍华2; 贾光亮1
 1.中石化华北石油工程有限公司技术服务公司 河南郑州 450006
2.中石化华北石油工程有限公司井下作业公司 河南郑州 450006
Author(s):
ZHENG Daoming 1;  HE Shaohua 2;  JIA Guangliang 1
 

1.Technical Service Company of SINOPEC North China Petroleum Engineering Co., Ltd., Zhengzhou,

Henan 450006, China
2.Downhole Operation Company of SINOPEC North China Petroleum Engineering Co.,Ltd., Zhengzhou, Henan 450006, China

关键词:
水平井;  分段压裂;  压裂滑套;  连续油管;  钻铣;  管柱优化
Keywords:

horizontal well;  multistage fracturing;  fracturing sliding sleeve;  coiled tubing;  milling; 

string configuration optimization

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2019.02.008
文献标志码:
B
摘要:
 

水平井裸眼封隔器分段压裂中，压裂滑套导致水平段井径不统一，后期作业管柱无法下入；地层砂、压裂砂在滑

套台阶处沉积易造成井眼堵塞，生产无法正常运行，需要在压裂后钻除压裂滑套。利用连续油管作业效率高、可带压作业的优点，优化管柱结构，优选磨鞋、工作液及

施工排量，制定施工作业要求，形成了连续油管水平井滑套钻铣工艺技术。该工艺在东胜气田一口水平井中成功钻除水平段的8级压裂滑套，钻铣工具选用89 mm的高

效五翼平底磨鞋，冲砂液选择含有1%KCl的25 mPa〖DK〗·s胍胶，施工排量为350～400 L/min，放喷试气计算无阻流量为63506×104 m3/d，解除了油气

通道障碍。该技术为裸眼封隔器分段压裂水平井油气开发提供了技术方案。

Abstract:

In the openhole multistage fracturing of horizontal well, the conventional

fracturing sliding sleeve often results in a nonuniform borehole diameter, which may lead to inability of later operation string running, and

hinder production due to the borehole blockage caused by formation sand and fracturing proppant deposition at the sliding sleeve. Therefore, the

conventional fracturing sliding sleeve needs to be milled after fracturing. Taking the advantage of high efficiency and snubbing operation of the

coiled tubing, a sliding sleeve milling techmology for horizontal well using coiled tubing was established through optimizing the string

configuration, selecting milling shoe, working fluid and displacement, and formulating operation requirements, by this technology successfully

drilled the eightstage fracturing sliding sleeves of a horizontal well in Dongsheng Gas Field, with the milling tool of highefficiency 89mm

fiveblade flatprofile milling shoe, and the sand washing liquid of 25 mPa·s silicone with 1% KCl, and the displacement of 350-400 L/min. The

absolute open flow potential of the gas well testing is 6350 6×104 m3/d, which indicates a nonbarrier oil and gas passage. This

technology provides a technical solution for the oil and gas production in openhole multistage fracturing horizontal wells.

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备注/Memo

备注/Memo:
 2018-07-18收稿, 2018-00-00 修回, 2018-00-00 接受, 2018-00-00 网络版发表

中国石油化工集团华北石油工程公司科技研发项目“水平井滑套钻铣关键技术研究”（HBGC18

-09K）

郑道明，男，1986年出生，硕士研究生，工程师，2018年毕业于中国地质大学（武汉）石油与天

然气工程专业，现主要从事井下作业相关的技术研究工作。电话：0371-58556775，15737186162；Email：373050728@qq.com。通信地址：河南省郑州市中原区淮河西

路23号820室，邮政编码：450006。


更新日期/Last Update: 2019-04-30