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US07584808B2 Centralizer-based survey and navigation device and method 有权
基于集中器的调查和导航设备及方法

Centralizer-based survey and navigation device and method
摘要:
A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
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