摘要
塔河油田的高温高压深井在裸眼完井过程中通常选用带封隔器的特殊管柱结构封隔油套,但封隔器下入深度之深,这往往会给后期修井作业带来难题。封隔器的解封失效轻则造成作业过程中生产管柱拔断现象,增加作业难度,重则造成整口油井的报废。本文以TH-X井为例,介绍深井封隔器解卡打捞工艺和现场应用效果,为类似井封隔器解卡提供了借鉴。
High Temperature,high pressure deep wells in Tahe Oilfield usually choose pipe string with packers to close annual space in the open hole.The main danger lies in the deep depth,which brings on great difficulty for the workover job.It may lead to the production string pulled off and well scrapped.This paper presents some methods for unfreezing fishing technology with case study on TH-X well to provide reference for similar practices.
出处
《石化技术》
CAS
2016年第2期199-200,206,共3页
Petrochemical Industry Technology
关键词
深井
封隔器
解封
打捞
套铣
deep well
packer
releasing
fishing
washover
