Y241型封隔器在川西地区的改进与应用  

Improvements of Y241 Packer and Its Application to Western Sichuan Basin

作　　者：周怡君[1] ZHOU Yijun

机构地区：[1]中国石化西南油气分公司石油工程技术研究院,四川德阳618000

出　　处：《天然气技术与经济》2018年第4期45-47,83,共4页Natural Gas Technology and Economy

摘　　要：近年来随着Y241型封隔器在川西地区中浅层侏罗系气藏多层压裂、验封、找漏等作业中的广泛使用,也逐渐暴露出其解封困难、工具取出不便等问题。通过调研Y241型封隔器的应用情况,剖析其基本结构、作用原理,针对Y241型封隔器在使用过程中出现的问题提出了改进方案,改进后的封隔器在现场得到了成功应用。Y241 packer is extensively used to most shallow Jurassic gas reservoirs,western Sichuan Basin,however pre-senting some problems like release squeeze and hard to get out tools during multilayer fracturing,packer testing,and leak-age detection.So,we analyzed its basic framework and opera-tion principle,and put forward some improvements against these problems.The improved packer has obtained a success-ful application.

关 键 词：Y241型封隔器 液压 解封 锁紧 

分 类 号：TE931.2[石油与天然气工程—石油机械设备]