The Improvement in Seismic Resolution by Map and Trace Attribute Analysis

M. Urosevic; B. J. Evans; P. J. Hatherly

doi:10.1071/EG992387

ISSN: 0812-3985
E-ISSN: 1834-7533

The Improvement in Seismic Resolution by Map and Trace Attribute Analysis
Authors M. Urosevic^a, B. J. Evans^a and P. J. Hatherly^b
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^a Department of Exploration GeophysicsCurtin University of Technology, PO Box U1987 Perth, , WA, 6001 ^b ACIRL, PO Box 83 North Ryde, , NSW, 2113
Publisher: Australian Society of Exploration Geophysicists
Source: Exploration Geophysics, Volume 23, Issue 1-2, Mar 1992, p. 387 - 391
DOI: https://doi.org/10.1071/EG992387
- Published online: 01 Mar 1992

Abstract

The application of 3-D surface seismic methods in delineating the areal extent of subtle coal-seam faults is discussed. Using a case history from the Sydney Basin, we show that the potential for seismic methods in coal exploration is underestimated. This is attributed, to some extent, to the widespread use of 2-D surface seismic methods, which are frequently inadequate for resolving the typical problems encountered in coal mining.

Using 3-D seismic data, an important distinction between the resolution and detection limits is shown. The application of seismic migration of coal data is also stressed as being an essential processing step. Finally, map attribute analysis is introduced for the interpretation of coal 3-D seismic data, and a method to eliminate subjective interpretation is offered.

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References

Cook, J. (1965). ‘Seismic mapping of underground cavities using reflection amplitudes’. Geophysics30, 527–538.
Fairbairn, C. M., and Ward, W. A. (1984). ‘The use of high-pass filtering to aid detection of small reflector discontinuities’. 46th Meeting of European Association of Exploration Geophysicists, London.
Mason, I. M., Buchanan, D. J., and Booer, A K. (1980). ‘Chan mapping of coal seams in the United Kingdom’. Geophysics45, 1131–1143
Tilbury, L. A., and Smith, P. A. (1988). ‘Seismic amplitude analysis: an end to field appraisal?’ APEA J. 144–188.
Ward, W. A., Fairbairn, C. M., Green, C. M., and Barnett J. A. M. (1988) ‘Resolution of small faults in seismic reflection data from the British coal measures’. 50th Meeting of European Association of Exploration Geophysicsts, The Hague.

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Article Type: Research Article

Keyword(s): 3-D; coal seams; faults; map attributes; seismic; trace attributes

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The Improvement in Seismic Resolution by Map and Trace Attribute Analysis

Abstract

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