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1. (WO2018049177) ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM

Pub. No.:    WO/2018/049177    International Application No.:    PCT/US2017/050703
Publication Date: Fri Mar 16 00:59:59 CET 2018 International Filing Date: Sat Sep 09 01:59:59 CEST 2017
IPC: E21C 41/16
E21C 35/00
E21B 7/04
Applicants: THE MOSAIC COMPANY
Inventors: TIVAS, Roy, W.
RASMUSSEN, Erik
Title: ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM
Abstract:
A mining system with an inertial guidance system configured to enable precise excavation of geological material without a need to advance a survey line over a long distance and/or nonlinear excavation path, thereby maximizing productivity of the mind by minimizing a width of un-mined material necessary for support between adjacent excavation paths and minimizing equipment downtime.