rotary y system of drilling 回转钻井方法
The storage unit of measurement while drilling system is one of the important parts of rotary steerable drilling tool.
井下随钻测量系统的存储单元是调制式旋转导向钻井系统的关键技术之一。
The closed loop control of the stabilizing platform on the rotary steering drilling system is the key technique of the modulating rotary steering drilling system.
旋转导向钻井工具稳定平台的闭环控制是调制式旋转导向钻井系统的关键。
The forming mechanism of the bias force is the key to the study of the modulated steerable rotary drilling system.
导向力的形成机理是研制旋转导向工具的核心。
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