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Geosteering detectors for boring-type continuous miners

  • US 7,360,844 B2
  • Filed: 07/29/2004
  • Issued: 04/22/2008
  • Est. Priority Date: 07/29/2003
  • Status: Active Grant
First Claim
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1. A mining control system comprising:

  • a miner having at least two rotary cutters, each said rotary cutter having arms extended from the rotary cutter;

    a gamma detector on each of said at least two rotary cutters for receiving naturally emitted gamma emissions from a geologic formation, wherein each gamma detector is mounted on one of the arms of the rotary cutter such that the gamma detector has a small field of view relative to identifying bed boundaries in the geologic formation and a large field of view in a direction parallel to the geologic formation;

    a position correlating system to correlate said received gamma emissions with positions of said at least two rotary cutters; and

    a central module, wherein said central module utilizes said correlated readings to determine whether the cutters should be moved.

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