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通常来说,螺杆钻具是以钻井液作为动力进行井下钻井工作。即在作业过程中,经过泥浆泵处理的泥浆流会流经旁通阀进入螺杆钻具中的马达区域,并且在马达进出口之间形成压力差,能够使转子绕定子旋转,再经由万向轴和传动轴向钻头传递转速以及扭矩,实现螺杆钻具的工程作业。本论文通过对螺杆钻具在实际钻井工程的应用现状进行分析,对螺杆钻具的未来发展提出了几点建议。
In general, the screwdriver drill is drilling fluid as a motivation for underground drilling. That is, during the operation, the mud pump-treated mud stream flows through the bypass valve into the motor area of the screw drill and creates a pressure differential between the motor inlet and outlet ports, allowing the rotor to rotate about the stator, Shaft and drive shaft to pass the speed and torque to achieve screw drilling engineering work. In this paper, the current situation of the application of screw drilling tools in actual drilling engineering is analyzed, and some suggestions are put forward for the future development of screw drilling tools.