Device and Method for Tracking a Downhole Tool
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United States of America Patent
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Jul 17, 2015
filing date -
Jul 17, 2014
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Abstract
A system for tracking a drill bit. The system uses a self-propelled autonomous receiver. The receiver has an antenna assembly, a processor, and a propulsion system. The antenna assembly detects the magnetic field from an underground transmitter and generates an antenna signal. The processor is programmed to receive the antenna signal and generate a command signal. The propulsion system receives the command signal and moves the receiver to a position above the transmitter. Once in the desired position, the antenna assembly measures the magnetic field to determine the location of the drill bit along borepath.
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