Geosteering detectors for boring-type continuous miners

Details Geosteering detectors for boring-type continuous miners Geosteering detectors for boring-type continuous miners

2008-04-22

2008-04-22

Kreck, John (Department: 3672)

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Ore/rock interface determination during cutting

C299S001800, C299S001400

Reexamination Certificate

active

07360844

ABSTRACT:
The invention provides, in one embodiment, a detector for a miner comprising a gamma sensing element and a light sensing element coupled to the gamma sensing element. According to the embodiment, the detector is mounted on a rotary cutter of a boring-type continuous miner such that the gamma sensing element has a view of a geologic formation being mined. A mining control system is also provided, comprising a miner having at least two rotary cutters and a gamma detector on each of the at least two rotary cutters for receiving gamma emissions from a geologic formation. The mining control system also provides an accelerometer and a rate gyro, wherein the accelerometer and the rate gyro correlate the received gamma emissions with positions of the at least two rotary cutters, and a central module that utilizes the correlated readings to determine whether the cutters should be moved.

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