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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

Permeability that varies with direction of flow through the porous medium.  1, fiche 1, Anglais, - directional%20permeability

Record number: 1, Textual support number: 1 OBS

Lateral permeability contrast can be particularly important in fractured formations, where effective permeability in the direction of the fractures may be many times greater than the matrix permeability. If the permeability in one direction is significantly more than in the other, the flow pattern may more closely approximate linear flow than radial flow. This can be detected from well-test data. Likewise, laminations in most clastic formations cause the permeability normal to the bedding plane to be less than the lateral permeability parallel to bedding. This is called vertical to horizontal permeability anisotropy.  1, fiche 1, Anglais, - directional%20permeability

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Coefficient de perméabilité de Darcy d'un milieu poreux (continu) anisotrope, selon une direction définie, vis-à-vis d'un flux de même direction.  1, fiche 1, Français, - perm%C3%A9abilit%C3%A9%20directionnelle

Record number: 1, Textual support number: 1 OBS

Ne pas confondre avec la conductivité hydraulique directionnelle qui est pour un milieu discontinu.  2, fiche 1, Français, - perm%C3%A9abilit%C3%A9%20directionnelle

Fiche 1,  Justifications,  Espagnol