[1]韩永亮,冯强,杨晓勇,等.大规模压裂用Y344封隔器及工艺管柱关键技术[J].油气井测试,2019,28(06):21-26.[doi:10.19680/j.cnki.1004-4388.2019.06.004]
　HAN Yongliang,FENG Qiang,YANG Xiaoyong,et al.Key technologies of Y344 packer and string technology for largescale fracturing[J].Well Testing,2019,28(06):21-26.[doi:10.19680/j.cnki.1004-4388.2019.06.004]
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大规模压裂用Y344封隔器及工艺管柱关键技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年06期
页码:
21-26
栏目:
出版日期:
2019-12-25

文章信息/Info

Title:
Key technologies of Y344 packer and string technology for largescale fracturing
文章编号:
1004-4388(2019)06-0021-06
作者:
韩永亮; 冯强; 杨晓勇; 周后俊; 骆劲羽; 秦诗涛
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
Author(s):
HAN Yongliang;  FENG Qiang;  YANG Xiaoyong;  ZHOU Houjun;  LUO Jinyu;  QIN Shitao
Engineering Technology Research Institute of Bohai Drilling Engineering Limited Company, CNPC, Tianjin, 300280, China
关键词:
苏里格气田;  大规模压裂;  Y344封隔器;  工艺管柱;  分层压裂;  坐封;  解封
Keywords:
Sulige gas field;  largescale fracturing;  Y344 packer;  string technology;  stratified fracturing;  seating;  unsealing
分类号:
TE357
DOI:
10.19680/j.cnki.1004-4388.2019.06.004
文献标志码:
B
摘要:
分层压裂时，K344封隔器解封只靠扩张胶筒的回弹力，胶筒回收不完全；Y241封隔器解封需要上提管柱、多个金属锚瓦的解封力累积效应导致解封困难。研制的大规模压裂用Y344封隔器采用弹簧自助解封机构、割缝中心管和压缩胶筒的结构形式，提高了下入、坐封和解封的稳定性和可靠性。该封隔器不需要节流压差坐封，提高了压裂施工的成功率；采用该封隔器设计的工艺管柱可实现不动管柱分6层大规模压裂施工。苏里格气田10口井的现场应用结果表明，大规模压裂用Y344封隔器及工艺管柱，施工成功率100%。该工艺适用于直井、大斜度井和水平井，具有良好的应用推广前景。
Abstract:
During stratified fracturing, the recovery of rubber cylinder is incomplete because K344 packer only relies on the resilience of expanding rubber cylinder; Y241 packer is difficult to be unlocked because the accumulation effect of unlocking forces of many metal anchor bushes when lifting pipe string. The Y344 packer for largescale fracturing is developed and it composes the spring selfhelp unloading mechanism, slot central pipe and compression rubber tube, which improves the stability and reliability of downentry, setting and unloading. The setting of this packer does not need throttle differential pressure, which improves the success rate of fracturing construction. The technology string designed for the packer can realize largescale fracturing construction with six layers of immovable string. The application results of 10 wells in Sulige gas field show that the successful rate of largescale fracturing with Y344 packer and fracturing string is 100%. This technology is suitable for vertical wells, highly deviated wells and horizontal wells, and has good application and popularization prospects.

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备注/Memo

备注/Memo:
2019-06-27收稿，2019-10-10修回，2019-10-20接受，2019-12-20 网络版发表
中国石油集团渤海钻探工程有限公司重大研发项目“苏里格合作区块大型压裂工艺技术研究”（2018ZD12K-02）
韩永亮，男，1985年出生，工程师，2009年毕业于西安石油大学机械设计制造及其自动化专业，现从事完井技术及配套工具的研究工作。电话：022-25925514，13920356015；Email： coolhan74@163.com 通信地址：天津市滨海新区海滨街兴盛道渤海钻探工程技术研究院，邮政编码：300280。
更新日期/Last Update: 2020-01-09