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。
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。
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.
地面录井服务利用从井下传感器获取的钻井数据，提供有价值的井况和钻井信息，帮助作业者实现更有效地钻进。
The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole.
井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具，安装在钻头与钻铤之间。
It is necessary to depend on the control technology of borehole trajectory to drill the extended-reach well successfully. A closed-loop adjustable stabilizer at downhole is developed.
钻成大位移井必须依靠井眼轨迹控制技术，研制的井下闭环可变径稳定器是实现该项技术的关键。
It USES the vibrations produced by a drill bit while drilling as a downhole seismic energy source.
随钻地震技术是利用钻井期间旋转钻头的振动作为井下震源。
The landing is thread connected with stop ring and tightened on and put into downhole with drill string. The landing sub is used as a sub above drill string before check valve is run in downhole.
就位接头与止动环用螺纹联结并上紧扣和钻柱连接下入井内，在未投入止回阀时作为钻柱上的一个接头。
The landing is thread connected with stop ring and tightened on and put into downhole with drill string. The landing sub is used as a sub above drill string before check valve is run in downhole.
就位接头与止动环用螺纹联结并上紧扣和钻柱连接下入井内，在未投入止回阀时作为钻柱上的一个接头。
应用推荐