·2,447,543篇论文数据，部分数据来源于NoteExpress
随钻震击器是连接在钻具中随钻柱一起进行钻井作业的井下解卡工具。
The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .
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.
应用推荐