【摘要】 定向钻进的成败关键在干对造斜工具定向的准确性和可靠性。该文探讨了斜直钻孔两用定向仪的工作原理、传感器结构和仪器电路，旨在提高定向精度、扩大仪器用途和简化操作方法。定向钻进，造斜工具，定向仪更多还原

【Abstract】 The key problem of directional drilling is the accuracy and reliability of orientation of deflecting tools. In order to improve the accuracy of orientation,enlarge the applicable range and simplifythe operation procedure of the instrument,the work principle,structure of the transducer and circuit ofthe instrument are discussed in this paper.更多还原