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Academic literature on the topic 'Sismique verticale'
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Journal articles on the topic "Sismique verticale"
Bitri, Adnand, Jean-Pierre Brun, Jean Chantraine, Pol Guennoc, Guy Marquis, Jean-Michel Marthelot, José Perrin, Frédéric Pivot, and Catherine Truffert. "Structure crustale du bloc cadomien de Bretagne Nord (France): sismique réflexion verticale et sondage magnétotellurique (projet Géofrance 3D — Armor)." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 325, no. 3 (August 1997): 171–77. http://dx.doi.org/10.1016/s1251-8050(97)88285-7.
Full textBitri, Adnand, Catherine Truffert, Jean-Philippe Bellot, Vincent Bouchot, Patrick Ledru, Jean-Pierre Milési, and Jean-Yves Roig. "Imagerie des paléochamps hydrothermaux As-Au-Sb d'échelle crustale et des pièges associés dans la chaîne varisque: sismique réflexion verticale (GéoFrance3D: Massif central français)." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 329, no. 11 (December 1999): 771–77. http://dx.doi.org/10.1016/s1251-8050(00)88631-0.
Full textMari, J. L., and F. Coppens. "La sismique de puits Troisième partie : le profil sismique vertical déporté et la sismique de puits à puits." Revue de l'Institut Français du Pétrole 44, no. 4 (July 1989): 419–42. http://dx.doi.org/10.2516/ogst:1989026.
Full textMari, J. L., and F. Coppens. "La sismique de puits. Première partie : le profil sismique vertical. Principes de base, applications et mise en oeuvre." Revue de l'Institut Français du Pétrole 44, no. 2 (March 1989): 135–60. http://dx.doi.org/10.2516/ogst:1989009.
Full textMari, J. L., and F. Coppens. "La sismique de puits. Deuxième partie : le profil sismique vertical. Traitement et applications particulières à la connaissance du gisement." Revue de l'Institut Français du Pétrole 44, no. 3 (May 1989): 291–315. http://dx.doi.org/10.2516/ogst:1989019.
Full textBenaïssa, Abdelkader, Zahia Benaïssa, Tahar Aïfa, and Amar Boudella. "Filtrage par reconnaissance des formes d’un profil sismique vertical Vertical seismic profile filtering through the use of pattern recognition." Swiss Journal of Geosciences 102, no. 2 (July 27, 2009): 297–306. http://dx.doi.org/10.1007/s00015-009-1324-2.
Full textColin, Florent, Stéphan Ker, and Bruno Marsset. "Fine-scale velocity distribution revealed by datuming of very-high-resolution deep-towed seismic data: Example of a shallow-gas system from the western Black Sea." GEOPHYSICS 85, no. 5 (July 28, 2020): B181—B192. http://dx.doi.org/10.1190/geo2019-0686.1.
Full textLandrein, Philippe, Georges Vigneron, Jacques Delay, Patrick Lebon, and Maurice Pagel. "Lithologie, hydrodynamisme et thermicité dans le système sédimentaire multicouche recoupé par les forages Andra de Montiers-sur-Saulx (Meuse)." Bulletin de la Société Géologique de France 184, no. 6 (November 1, 2013): 519–43. http://dx.doi.org/10.2113/gssgfbull.184.6.519.
Full textDissertations / Theses on the topic "Sismique verticale"
Vigner, Alan. "Images sismiques par réflexions verticale et grand-angle de la croûte en contexte extensif : les Cyclades et le Fossé Nord-Egéen." Paris, Institut de physique du globe, 2002. http://www.theses.fr/2002GLOB0009.
Full textDudchenko, Aleksandr. "Analyse numérique de l’interaction des ondes de Rayleigh en surface avec des barrières sismiques et des champs de pieux prenant en compte le comportement élastoplastique du sol." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAI102/document.
Full textThe present work is focused on numerical simulation (FEM) and analysis of surface Rayleigh wave interaction with vertical seismic barriers (underground walls, screens, trenches, etc.) as well as pile fields within the framework of linear elastic and plastic mechanical material models. The aim of the research is to estimate the degree of protection that vertical barriers and pile fields provide against vibrations transferred by surface Rayleigh waves and generated by various sources. The main idea behind this type of protection is to prevent seismic waves form transmitting wave energy into the protected zone, decreasing the amplitude of displacements, velocities and accelerations at the points behind the barrier (pile field). The attention is paid to Rayleigh waves as they can be generated by both external (located on the Earth's surface) and internal (located beneath the Earth's surface) vibration sources and this type of waves can transfer a significant portion of vibration source energy.First, numerical simulations of Rayleigh wave interaction with vertical seismic barriers and pile fields are performed assuming the soil and barrier materials to behave according to the linearly-elastic constitutive law. This regards the vibrations that induce shear strains in the soil not exceeding 0.00001 during their propagation. Based on this, the principal dimensionless complexes are formulated. Geometrical along with mechanical parameters of the barrier (pile field), that determine vibration reduction effect, are identified. The obtained results reveal the validity of this way of vibration protection. In addition to that, the approach towards vertical seismic barrier optimization (which can also be extended to the pile field) is adopted in finite difference form to use for particular soil conditions and design vibration frequency.Several models of soil behaviour are analysed and their validity as well the applicability to approximate real dynamic soil behaviour along with the mechanism of vibration energy dissipation are identified. Based on this analysis, Mohr-Coulomb constitutive model is selected as it has a broad experimental database for various soils and appropriately reflects shear modulus reduction with an increase in the shear strain as well as energy dissipation effects. Afterwards, this model is used in the analysis of Rayleigh wave interaction with the vertical barriers and pile fields accounting for non-linear character of soil deformation at different shear strain level. As a results, the influence of shear strain level on the effectiveness of the considered ways of vibration protections is shown and the appropriate conditions to use these methods are identified within the scope of this research
Monfret, Tony. "Utilisation de la composante verticale du mode fondamental des ondes de Rayleigh du manteau étude de la source sismique et modélisation tri-dimensionnelle de la Terre /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376166449.
Full textMonfret, Tony. "Utilisation de la composante verticale du mode fondamental des ondes de rayleigh du manteau : etude de la source sismique et modelisation tri-dimensionnelle de la terre." Paris 7, 1988. http://www.theses.fr/1988PA077123.
Full textMoulouel, Hakim. "Caractérisation cartographique d'une différenciation verticale et horizontale de la déformation : application à la couverture sédimentaire de la plate-forme ardennaise." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10044.
Full textThe Western Ardennes Paleozoic massif forms the primordial exposure of the Variscan deformation front in Northern France. It includes folded and thrusted units composed of non metamorphic to epi-metamorphic rocks of mostly Devonian-Carboniferous age. Along a Western Ardennes transect imaged by the M146 seismic profile, the thrust front is characterized by a major crustal scale south-dipping thrust zone whose emergence corresponds to the c1assical "Midi" thrust zone. The latter induces the thrusting of the Ardennes-Avesnois fold-and-thrust belt onto the dismembered molassic Namurian-Westphalian coal-bearing foreland basin and its Brabant-type substratum. The main Ardennes basal thrust accommodates a significant part of the motion occuring during a late out-ofsequence event. South of this main thrust, Avesnois area display second order thrust-related folds with a general ENE-WSW trend and a NNW vergence. These structures involve a strongly heterogeneous Iithological sequence. The induced rheological contrasts strongly control the deformation style. New cartographic and structural studies, mainly carried out in the Famennian sequences, allowed us to precise the geometry and kinematics of the fold-thrust structures. As a whole, these data indicate (1) that the thick Incompetent Famennian layers acted as a distributed complex décollement-zone decoupling shortening between the Mid-Devonian and Dinantian layers, (2) that the geometrical folding model demonstrated above early synsedimentary discontinuities corresponds to disharmonic fold types. the folding in the post-Lower Famennian levels occurred by flank rotation around fixed hinge zones. For the lower-Famennian incompetent levels, shortening is accommodated by the presence of several fold hinges in folds hinge zone and by buckling. (3) that the foreland-directed thrust related folds were lately deformed by backwards thrusting, highlighting the overall difficulty of the forward propagation of the thrust front onto the Brabant foreland
Senechal, Guy. "Les réflecteurs du chevauchement pennique ( profil Ecors Alp1) : une analyse critique des données vibrosismiques." Phd thesis, Grenoble 1, 1991. http://tel.archives-ouvertes.fr/tel-00525577.
Full textGrabkowiak, Alexia. "Analyse du géoïde de séparation des sources pour la compréhension de l'organisation verticale des anomalies de masse dans le manteau." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC101/document.
Full textProgress made in seismic tomography and geodesy open the way to estimations of relations between the structures within the Earth and its shape. Applying statistical analysis to tomographic data of the mediterranean area, we extract 3 components that capture almost 70 % of the variance of the tomographic data : first one isolates the mantle reaction to lithospheric masses from the bottom of the transition zone, the second one is legated to subvertical lithsopheric slabs in the upper mantle, the third one corresponds to the tops of upper- and lower- mantle expression. Effect of these dynamics on the geoid has been modelized using considering that : (i) all the structures of the tomographic model are geoid anomaly sources, mantle component of the geoid is computed applying the gravito-visco-elasticity theory to take into account deflection of viscosity interfaces. This approach provides a smooth and low amplitude geoid mantle component. (ii) the tomographic model can register sources but also the all readjustment. Mantle component of the geoid is computed integrating anomalies of the model. It provides a detailled but too large with respect with the regional geoid mantle component. (iii) each component has capacity to isolate a phenomenon legated to a specific source of geoid anomalies. We applied gravito-visco-elastic theory specifically to it. That provides a mantle component detailled and that has a magnitude low enough with respect to the geoid.The presence of lithospheric caps on the bottom of the transition zone can be detected by the mantellic component of the geoid, but the geoid is not sensitive to subvertical slabs within the upper mantle
Grundt, Yann. "Modelisation en 3 d. D'une structure geologique et calcul du temps de propagation des ondes sismiques. Application au profil sismique vertical." Paris 6, 1991. http://www.theses.fr/1991PA066511.
Full textPetit, Marie-Josèphe. "Évaluation des mesures d'atténuation sismique : à partir des enregistrements du profil sismique vertical /." Paris : Technip, 1987. http://catalogue.bnf.fr/ark:/12148/cb349105889.
Full textKazemi, Kazem. "Seismic imaging of thrust fault structures in Zagros iranian oil fields, from surface and well data." Cergy-Pontoise, 2009. http://www.theses.fr/2009CERG0401.
Full textThe objective of the present PhD thesis is to improve the structural understanding of the Aghajari field using 3D seismic imaging, and well seismic. The lack of seismic response of the dipping horizons in the reservoir oil zone constitutes a major identified difficulty. Given the dip values of the reflectors in the pay zone, the P-P reflections are expected to appear mainly on the horizontal components of the VSP data, justifying the processing of the 3 components. An innovative method of 3C VSP orientation was developed. Several new approaches of seismic imaging have been applied in order to investigate and improve the reservoir illumination. The depth migrated image is improved in the overburden, but not at reservoir level,due to low signal to noise, thus poor dip and velocity determination in the reservoir interval. A new Kirchhoff PSTM prototype technique, allowing selection of azimuth sector, offset range and geological dip,with automatic optimization of the local dip is presented