[1]骆劲羽,杨晓勇,张鹏,等.射孔压裂封隔一体化压裂管柱的改进[J].油气井测试,2021,30(05):50-54.[doi:10.19680/j.cnki.1004-4388.2021.05.009]
　LUO Jinyu,YANG Xiaoyong,ZHANG Peng,et al.Improvement of perforation, fracturing and packer integrated fracturing string[J].Well Testing,2021,30(05):50-54.[doi:10.19680/j.cnki.1004-4388.2021.05.009]
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射孔压裂封隔一体化压裂管柱的改进()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年05期
页码:
50-54
栏目:
出版日期:
2021-10-25

文章信息/Info

Title:
Improvement of perforation, fracturing and packer integrated fracturing string
文章编号:
1004-4388(2021)05-0050-05
作者:
 骆劲羽1; 杨晓勇1; 张鹏1; 张镇1; 秦诗涛1; 杨杰2
 1.中国石油集团渤海钻探工程有限公司工程技术研究院 天津 300280
2.中国石油集团长城钻探工程有限公司苏里格气田分公司 内蒙古鄂尔多斯 017399
Author(s):
LUO Jinyu1;  YANG Xiaoyong1;  ZHANG Peng1;  ZHANG Zhen1;  QIN Shitao1;  YANG Jie2

1.Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Co., Ltd., Tianjin 300280,

China
2.Sulige Gas Field Branch,CNPC GreatWall Drilling Company, Inner Mongolia, 017399, China

关键词:
分层压裂; 射孔; K344封隔器; 底封拖动; 一体化管柱; 水力喷砂器; 滑套
Keywords:

layered fracturing;  perforation;  K344 packer;  bottom seal dragging;  integrated string;  hydraulic sand

blaster;  sliding sleeve

分类号:
TE357
DOI:
10.19680/j.cnki.1004-4388.2021.05.009
文献标志码:
B
摘要:
 


常规射孔地层污染大，不动管柱水力喷射压裂难以保证层间完全封隔，且底封拖动水力射孔压裂压后封隔器解封困难。通过改进水力喷砂器和K344

封隔器结构，采用滑套式K344封隔器+水力锚+滑套式水力喷砂器的结构单元，实现了水力射孔分层压裂与机械封隔一体化的管柱设计，达到定点压裂，定点改造，同时保证层

间封隔的效果。现场应用于苏25A井，一趟管柱完成盒8段两层喷射压裂作业，压力平衡后，K344封隔器自动解封，施工安全可靠。改进后的一体化压裂管柱实现了机械封隔

、水力射孔、多级压裂联作工艺，具有推广价值。

Abstract:

Conventional perforation has great formation pollution. It is difficult to ensure

the complete sealing between layers by hydraulic jet fracturing with immovable string, and it is difficult to unseal the packer after hydraulic

perforation fracturing with bottom seal. By improving the structure of hydraulic sandblasting device and K344 packer and adopting the structural units

of sliding sleeve K344 packer, hydraulic anchor and sliding sleeve hydraulic sandblasting device, the trip string design integrating hydraulic

perforation layered fracturing and mechanical sealing is realized, so as to achieve fixedpoint fracturing and fixedpoint transformation, and

ensure the effect of interlayer sealing at the same time. The technology has been applied in Well Su 25A to complete twolayer jet fracturing in

Member He 8 with one trip string. After the pressure is balanced, K344 packer is automatically unsealed, and the construction is safe and reliable. The

improved integrated fracturing string realizes the combined process of mechanical sealing, hydraulic perforation, and multistage fracturing, which has

popularization value.

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备注/Memo

备注/Memo:
2021-04-24收稿，2021-08-15修回,2021-08-23接受,2021-10-20网络版发表

骆劲羽，男，1985年出生，工程师，2008年毕业于西南石油大学石油工程专业，现主要从事完井、压裂工

具的研究与应用工作。电话：022-25921415；Email： 306577351@qq.com。通信地址：天津市大港油田三号院渤海钻探工程技术研究院，邮政编码：300280。

更新日期/Last Update: 2021-11-25