... bottom sub 堵头... 详细翻译>> bumper sub 震动器... 详细翻译>> calibration-sub 校正接头... 详细翻译>> ...
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fishing bumper sub 打捞伸缩节 ; 打捞缓冲器
long strke bumper sub 长冲程震击器
oil-sealed bumper sub 油封式震击器
pressure balanced drilling bumper sub 压力平衡式钻井震击器
sealed bumper sub 油封式震击器
surface bumper sub 地面震击器
drill string bumper sub 钻柱减震器
Lubricated fishing bumper sub 闭式下击器
air while-drilling bumper sub 空气随钻震击器
A disadvantage of the bumper sub is maintenance costs both for the tool itself and lost time due to tripping pipe when one fails.
缓冲短节的缺点是维护工具本身的费用和失效时起下钻造成的时间损失。
In light of the commonly seen downhole breakdown of drilling pipe sticking in the drilling process, the new-type fully hydraulic while-drilling bumper sub was developed.
针对钻井过程中常见的井下卡钻事故,研制了新型全液压式随钻震击器。
This topic originates from the sub-topic of the national grain bumper science and technology project.
本课题来源于国家粮食丰产科技工程的子课题。
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