Magnetic induction applied to borehole deviation problems
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Geophysical principles have a very extensive and important application in borehole technologies. A special form of magnetometry for borehole deviation measurement in certain special cases of tunnelling and driving other underground workings is presented. The mutual position of boreholes arranged in groups, used for driving underground workings in water-bearing layers by freezing and grouting methods, is determined.
KeywordsMagnetic induction borehole deviation Slovak Magnesite Mines
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