AZIMUTHAL RESISTIVITY SOUNDINGS OVER A STEEPLY DIPPING ANISOTROPIC FORMATION. A CASE HISTORY IN CENTRAL TUNISIA

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dc.contributor.author Schmutz M.
dc.contributor.author Andrieux P.
dc.contributor.author Bobachev A.
dc.contributor.author Montoroi J.P.
dc.contributor.author Nasri S.
dc.date.accessioned 2024-12-15T02:15:20Z
dc.date.available 2024-12-15T02:15:20Z
dc.date.issued 2006
dc.identifier https://www.elibrary.ru/item.asp?id=13508694
dc.identifier.citation Journal of Applied Geophysics, 2006, 60, 3-4, 213-224
dc.identifier.issn 0926-9851
dc.identifier.uri https://repository.geologyscience.ru/handle/123456789/46999
dc.description.abstract Azimuthal Resistivity Soundings (ARS), using the so-called "Arrow-type array" as proposed by Bolshakov et al. were carried out in Central Tunisia, together with azimuthal resistivity tomography, because of the known anisotropic behaviour of the nearly vertical formations. First, the developments designed by Bolshakov et al. are reviewed: they deal with the separation between the effects of anisotropy and of heterogeneities, the design of the Arrow-type array and the introduction of the azimuthal spectral analysis. Second, the main methodological results obtained near Gouazine Lake are presented: (1) the clear effect of a quasi-vertical contact and (2) the characterisation of the anisotropic substratum below a thin superficial layer in one site close to the axis of the valley: the strike direction (α = 50°N), and a rather high anisotropy coefficient (λ ≈ 4) are determined. And lastly two directions for further developments are suggested. © 2006 Elsevier B.V. All rights reserved.
dc.subject ANISOTROPY
dc.subject ARS (AZIMUTHAL RESISTIVITY SOUNDING)
dc.subject DIRECT CURRENT
dc.subject TUNISIA
dc.title AZIMUTHAL RESISTIVITY SOUNDINGS OVER A STEEPLY DIPPING ANISOTROPIC FORMATION. A CASE HISTORY IN CENTRAL TUNISIA
dc.type Статья
dc.identifier.doi 10.1016/j.jappgeo.2006.05.003


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