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。
2
According to the torque value, calculating that of drill string downhole, and checking the safety of the drill string.
根据该扭矩值推算到井下钻柱的扭矩值，并且校核了各点钻柱的安全性。
3
Surface logging services leverage drilling data acquired from downhole sensors to provide valuable information about well status and drilling performance to help drill Wells more efficiently.