国产视频首页Ia视频在线I免费色婷婷I精品国产片I成人天堂网I欧美色综合天天久久综合精品I国产一线二线三线性视频I缴情综合网五月天I国产福利精品一区二区I日本婷婷色I一区二区三区中文字幕在线观看I蜜桃视频精品

Features:

1. A J-slot guides the guiding pin for hanger setting. The liner hanger can be set easily by picking up the drill string, using right hand rotation to achieve 1/2 turn at the hanger position and lowering the drill string. ?
2. The liner hanger system without cylinder and setting ball, which is suitable for a liner string with several hydraulically activated tools.
3. Setting tool can be easily released just by slacking off certain weight and using right hand rotation.
4. Retrievable pack-off bushing can be retrieved with setting tool, avoid drill-out.