Application of spectrometric nuclear borehole logging for reserves estimation and mine planning at Callide coalfields open-cut mine

J. Charbucinski and W. Nichols

Applied Energy, 2003, vol. 74, issue 3-4, 313-322

Abstract: Nuclear borehole logging is practically the only technique that has the capacity for providing quantitative in-situ coal quality information in real time. The SIROLOG gamma-gamma and neutron-gamma (PGNAA) borehole logging procedures have been providing vital characteristics of the coal seams at Callide coalfields since 1993. Together with an accurate delineation of coal seams, the SIROLOG procedures estimate ash content, density and some ash constituents accurately enough for relatively inexpensive rotary chip holes to be accepted as points of observation in calculations of reserves.

Keywords: Borehole; logging; PGNAA; Neutron-gamma; Gamma-gamma; Coal; quality (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (3)

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