Provide pin to avoid sealing at midway and protect seal part of packer, enhanced reliability of plugging string.

设计有防中途坐封的销钉，保护封隔器的密封件，提高了封堵管柱的可靠性。

youdao

A hydraulic packer typically is set using hydraulic pressure applied through the tubing string rather than mechanical force applied by manipulating the tubing string.

一般地，经油管柱施加液压压力而不是由操纵油管柱施加机械力使封隔器坐封。

youdao

This paper introduces the principle, string structure and field application of the TCP Combined Well Testing Technology with straddle packer.

论述了跨隔射孔测试联作工艺技术的原理、管柱结构和现场应用情况。

youdao

He said that's an easily reversible process once the weather passes: Purge the seawater out, pull the packer out and reinsert the drill string to begin drilling again.

CNN: STORY HIGHLIGHTS

Allen said that in preparation for the storm, crews had pulled the drill string out, put a plug known as a "packer" in the casing pipe and filled the riser with seawater so the pipe would be stable.

CNN: STORY HIGHLIGHTS