石油钻采工艺Issue(2)：122-125,4.DOI:10.13639/j.odpt.2014.02.031
悬挂封隔技术在海外套管修复井中的应用
Application of suspension packing technique in oversea casing repair well
韩振强 1蒋本强 1周冀 1王益山 1张京华 1刘新哲1
作者信息
- 1. 渤海钻探工程有限公司工程技术研究院，河北任丘 062552
- 折叠
摘要
Abstract
After ifnishing drilling of OTRA-6Z horizontal well, lower casing moves freely due to the break-off of Ø177.8 mm cas-ing at 663~667 m and the wellbore cannot withstand pressure. In the early stage, many measures were taken, but failed to repair and the well could not be put into production normally. The suspension liner twin packer technique is to use the bi-directional hanger to suspend the pipe string at the top of damaged casing section and adopt the combination of compression packer and water swelling packer above and below the damaged section for the purpose of repair of the damaged casing section. This technique is successfully applied in OTRA-6Z well, which provides reference and experience for the development of repair scheme of relevant casing.关键词
套管错裂/套管修复/悬挂器/双封隔器/免钻球座Key words
casing damage, casing repair, hanger/twin packer/drilling-free ball seat分类
能源科技引用本文复制引用
韩振强,蒋本强,周冀,王益山,张京华,刘新哲..悬挂封隔技术在海外套管修复井中的应用[J].石油钻采工艺,2014,(2):122-125,4.
