3D seismic reflection: examples of its application to mine planning and safety in Australian Coalfields

Abstract

Two low fold, high resolution, three-dimensional (3D) seismic reflection data sets have been used to delineate potential hazards in underground mining operations in the Sydney Basin, New South Wales. Data were acquired using orthogonal source and receiver lines, and were conventionally processed. Interpretations were performed on an interactive work station. Results from the first survey have resolved a previously ambiguous interpretation, and produced a preferred location for future longwall panels. Subsequent mining and in-seam drilling have confirmed the interpretation. Results from the second survey have defined a synclinal feature which has yet to be proved by drilling or mining.