Stochastic velocity modeling for assessment of imaging uncertainty during seismic migration: Application to salt bodies

Autor: Nicolas Clausolles, Pauline Collon, Modeste Irakarama, Guillaume Caumon

Publikováno v: Interpretation. 11:T361-T378

Variations in the migration velocity model directly affect the position of the imaged reflectors in the subsurface, leading to structural imaging uncertainties. These uncertainties are not explicitly addressed when trying to deterministically build a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9eb4a707a6cdd63818a29a5097ee49cd
https://doi.org/10.1190/int-2022-0071.1

Finite Difference Implicit Structural Modeling of Geological Structures

Autor: Julien Renaudeau, Modeste Irakarama, Gautier Laurent, Guillaume Caumon

Publikováno v: Mathematical Geosciences
Mathematical Geosciences, Springer Verlag, 2021, 53, pp.785-808. ⟨10.1007/s11004-020-09887-w⟩

International audience; We introduce a new method for implicit structural modeling. The main developments in this paper are the new regularization operators we propose by extending inherent properties of the classic one-dimensional discrete second de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::401d481c4d094de03fcd34eb771e00e1
https://hal.univ-lorraine.fr/hal-02953073/file/IrakaramaMG2020Author.pdf

Automatic correction and simplification of geological maps and cross-sections for numerical simulations

Autor: Paul Cupillard, Guillaume Caumon, Jeanne Pellerin, Modeste Irakarama, Bruno Levy, Pierre Anquez

Publikováno v: Comptes Rendus Géoscience
Comptes Rendus Géoscience, 2019, 351 (1), pp.48-58. ⟨10.1016/j.crte.2018.12.001⟩
Comptes Rendus Géoscience, Elsevier, 2019, 351 (1), pp.48-58. ⟨10.1016/j.crte.2018.12.001⟩

International audience; Incorporating prior geological knowledge in geophysical process models often meetspractical meshing challenges and raises the question of how much detail is to be includedin the geometric model. We introduce a strategy to auto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b04c1fb06ad6a0c6408cc3a3ffa1fda5
https://hal.univ-lorraine.fr/hal-02136697

Finite Difference Implicit Modeling of Geological Structures

Autor: Gautier Laurent, Julien Renaudeau, Modeste Irakarama, Guillaume Caumon

Publikováno v: Scopus-Elsevier

Summary We introduce a new method for implicit structural modeling. The method belongs to the Discrete Smooth Interpolation class of methods. We exploit the highly symmetric nature of Cartesian grids to propose new regularization operators that discr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c991013604430e944f76c4465348d5c2
https://doi.org/10.3997/2214-4609.201800794

Reduction of Fault Uncertainty Using Vertical Seismic Profiling Data

Autor: Guillaume Caumon, Modeste Irakarama, Paul Cupillard

Publikováno v: 78th EAGE Conference and Exhibition
78th EAGE Conference and Exhibition, May 2016, Vienna, Austria. ⟨10.3997/2214-4609.201600681⟩
Scopus-Elsevier

International audience; Due to the limited resolution of seismic reflection data in imaging near vertical structures, structural models can have significant uncertainties related to fault geometries and position. These uncertainties can be reduced by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19c4f6bacd0231038d88b32a7c372f40
https://hal.univ-lorraine.fr/hal-01356330