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- Volume 9, Issue 1, 1991
First Break - Volume 9, Issue 1, 1991
Volume 9, Issue 1, 1991
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Efficient <i>x-f</i> depth migration of shot records: practical aspects
Authors G. Blacquière, A.J.W. Duijndam and R. RomijnIn the case of a subsurface with a complex structure, it may be necessary to perform depth migration in the prestack domain. In this paper a prestack depth migration method is discussed which belongs to the class of single shot record migration techniques (Van der Schoot et al. 1989).
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Interpretation of seismic reflection and borehole data from Precambrian rocks in the Dala Sandstone area, central Sweden
Authors C. Juhlin, J. Lindgren and B. ColliniIn the autumn of 1988 a 2-km long seismic reflection profile was shot over Precambrian sedimentary rocks in the province of Dalarna in central Sweden. One of the main objectives of the experiment was to determine whether the seismic reflection method could be used to map the contact zone between the sedimentary rock and the underlying crystalline bedrock. As will be discussed briefly in this paper, it was possible to approximately determine the depth to the contact zone by recognizing the change in character in the reflected energy between the sedimentary rock and the crystalline basement.
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Volume 9 (1991)
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Volume 8 (1990)
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Volume 6 (1988)
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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)