除按照机械和液压分类以外，震击器还可以分为钻井用震击器和打捞用震击器。
In addition to the mechanical and hydraulic versions, jars are classified as drilling jars or fishing jars.
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。
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.
上击器采用液压原理，其震击力可由上提力的大小自由调节，但使用时不允许超过工具限定的最大负荷。
The up jarring section takes use of hydraulic mechanism, the jarring force can be adjusted according to up elevating load but can not exceed the max. load for tool load rated.
介绍了液压加速器和震击器的结构、工作原理以及震击管柱运动规律与动力性能。
The design feature and working principle of the hydraulic accelerator and the fishing jar art, introduced. The motion pattern and dynamic performance of the jar pipe string are analyzed.
以液压式上击器为例，分析了震击过程中的能量变化。
The energy variation on a hydraulic upward jar during the jarring process was investigated in the field.
以液压式上击器为例，分析了震击过程中的能量变化。
The energy variation on a hydraulic upward jar during the jarring process was investigated in the field.
应用推荐