1887
Volume 9 Number 1
  • E-ISSN: 1365-2478

Abstract

A

The object of this paper is to present 19 synthetic records recorded on 12 wells in the North Sahara by different methods.

A comparaison is made of the synthetic records obtained by different methods:

by analogy: United Geophysical Corporation Seismograph Service Corporation

by computation: Institut Français du Pétrole Compagnie Générale de Géophysique

The method originated by Mr B of the C.G.G. is studied in two cross sections: the first on four wells in the Hassai‐Messaoud field and the second on eight wells in the Anngueur region. The influence of internal and surface multiples on the correlations is very important and explains the reasons for marked variations in the quality of reflections. The problem of the origin of the basis of the stratigraphic correlations furnished by the geologists can be a source of errors.

Finally, the comparison between the synthetic and field records indicates that the best results are not always obtained with a synthetic record including multiples.

In conclusion, on the North Sahara, where the importance of multiples is preponderant and not readily apparent, and where interpretation is primarily based on continuity, the study of synthetic records including multiples on all exploration wells would appear to be indispensable.

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/content/journals/10.1111/j.1365-2478.1961.tb01120.x
2006-04-27
2020-07-04
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References

  1. Baranov, V., Kunetz, G., 1959, Films synthétiques avec et sans réflexions multiples, Bull. AFTP, no. 136, pp. 759–770.
  2. Peterson, R. A., Fillipone, W. R., Coker, F. B., 1955, The Synthesis of seismograms from well data, Geophysics, vol. XX, no. 3, pp. 516–538.
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  • Article Type: Research Article
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