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- Volume 8, Issue 8, 1990
First Break - Volume 8, Issue 8, 1990
Volume 8, Issue 8, 1990
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The reliability of multiple suppression
Authors R.J.J. Hardy, R.W. Hobbs, M.R. Warner and I.F. JonesWhen applying multiple suppression techniques to the processing of seismic data, the real objective is to minimize the remnant multiple energy. Such energy can be of large amplitude and may mask primary energy in an unpredictable fashion. Here, we propose a method which utilizes multiple suppression techniques to develop 'difference' and 'confidence' sections which are superimposed on processed data as colour overlays.
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Transport properties obtained from magnetotelluric sounding of a granite
By D. BeamishThe magnetotelluric (MT) technique is a deep exploration method that is undergoing rapid development. Theoretical investigations concerning new exploitations of the electromagnetic wavefield (e.g. Lee et al. 1989) form one leading edge to which field data acquisition and processing are gradually responding. Despite such developments it is probably true that even conventional MT is a poorly understood technique. Case histories using conventional methods and resolutions can, therefore, provide a useful foundation for assessing the role of the technique in present and future exploration programmes.
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Volume 13 (1995)
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Volume 11 (1993)
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Volume 10 (1992)
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Volume 9 (1991)
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Volume 8 (1990)
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Volume 7 (1989)
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Volume 6 (1988)
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Volume 5 (1987)
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Volume 4 (1986)
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Volume 3 (1985)
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Volume 2 (1984)
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Volume 1 (1983)