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Communication Dans Un Congrès Année : 1991

3‐D ray tracing through complex triangulated surfaces

Jean Luc Guiziou
  • Fonction : Auteur
Philippe Nobili
  • Fonction : Auteur
Ravi Anandappane
  • Fonction : Auteur
Pascal Thisse
  • Fonction : Auteur

Résumé

New seismic processing and interpretation developments will be aimed at tackling exploration issues which will require a full three-dimensional modeling of the earth. We have developed 3-D ray-tracing schemes to be used as the modeling kernel for macro-model estimation algorithms. The ray-tracing schemes are especially designed to compute rays and traveltimes through complex triangulated surfaces. The ray-tracing algorithms take full advantage of the discretization of the surfaces via triangles. An original bending technique, based on a quadratic approximation of the traveltimes, offers an adequate trade-off between the efficiency of the ray-tracer and the accuracy of the traveltimes.
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Dates et versions

hal-04025960 , version 1 (13-03-2023)

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Jean Luc Guiziou, Jean Laurent Mallet, Philippe Nobili, Ravi Anandappane, Pascal Thisse. 3‐D ray tracing through complex triangulated surfaces. SEG Technical Program Expanded Abstracts 1991, 1991, Houston (TX), United States. pp.1497-1500, ⟨10.1190/1.1889009⟩. ⟨hal-04025960⟩
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