%0 Journal Article
%T Propagation des ondes acoustiques dans les milieux poreux satur¨¦s Propagation of Acoustic Waves in Saturated Porous Media
%A Coussy O.
%A Bourbie T.
%J Oil & Gas Science and Technology
%D 2006
%I Institut Fran?ais du P¨¦trole
%R 10.2516/ogst:1984004
%X Ce travail comporte deux parties. La premi¨¨re partie concerne la th¨¦orie de la propagation des ondes acoustiques dans les milieux poreux satur¨¦s. Une revue des diff¨¦rentes m¨¦thodes existantes est faite et un d¨¦veloppement critique de la th¨¦orie de Biot est expos¨¦ en d¨¦tail. On examine en particulier les diff¨¦rents r¨¦sultats auxquels cette th¨¦orie conduit et on regarde, dans quelles conditions et sur quels probl¨¨mes g¨¦ophysiques, les ph¨¦nom¨¨nes physiques mis en ¨¦vidence peuvent jouer de mani¨¨re notable. Dans la deuxi¨¨me partie, on pr¨¦sente une v¨¦rification exp¨¦rimentale due ¨¤ Plona (1980) de la th¨¦orie de Biot. Apr¨¨s une introduction qualitative de l'exp¨¦rience mise en place, on expose les r¨¦sultats obtenus pour un grand nombre de mat¨¦riaux de porosit¨¦s diff¨¦rentes. La notion de tortuosit¨¦ d'un milieu poreux est introduite th¨¦oriquement et discut¨¦e exp¨¦rimentalement. This article is in two parts. The first part has to do with the theory of acoustic wave propagation in saturated porous media. Different existing methods are reviewed, and Biot's theory is critically developed in detail. In particular, the different results to which this theory leads are examined, and the conditions and geophysical problems on which the physical phenomena involved may have an appreciable effect are considered. The second part is devoted to the experimental check made by Plona (1980) of Biot's theory. After a qualitative introduction of the experimental procedure, the results obtained for many materials of different porosities are described. The concept of the tortuosity of a porous medium is introduced theoretically and discussed experimentally.
%U http://dx.doi.org/10.2516/ogst:1984004