The strength of bumping force of a surface bumper jar in the course of releasing stuck tool hinges on various factors.
地面下击器解卡时产生震击力的大小与多种因素有关。
A downhole tool used to cut tubing or similar tubulars that have become stuck in the wellbore.
割断已卡在井筒的油管或类似管子所用的井下工具。
The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .
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 setting tool was broken while treating liner stuck at the time of making up cementing head.
尾管在装水泥头时卡钻，处理过程中送入工具因年久锈蚀而断裂。
The setting tool was broken while treating liner stuck at the time of making up cementing head.
尾管在装水泥头时卡钻，处理过程中送入工具因年久锈蚀而断裂。
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