Elastic properties of some clay minerals

• Autorzy: Vyzhva S. A. , Prodayvoda G. T. , Vyzhva A. S.

Warianty tytułu

PL

Własności sprężyste niektórych minerałów ilastych

• Języki publikacji: EN

Abstrakty

EN

A new method for the quantitative estimation of the elastic properties of clay minerals based on the principles of crystal-chemical systematization of clay minerals elastic properties was developed. An accurate mathematical method has been devised to approximate elastic properties of a random symmetry medium to those of a similar transversely isotropic elastic medium. A first successful attempt was made at a quantitative assessment of the elastic constants of all clay mineral constituents in transversely isotropic approximation, which fully agrees with experimental data on these minerals. Extensive research has been carried out into the anisotropy parameters of clay mineral elastic waves and their correlation with the structural features of minerals. This method can be used for approximating the elastic constants of other rock-forming minerals.

PL

Opracowano nową metodę oceny ilościowej sprężystych własności minerałów ilastych w oparciu o zasady krystaliczno-chemicznej systematyzacji tych własności. Nowa, dokładna matematyczna metoda ma na celu przybliżenie własności sprężystych ośrodka o losowej symetrii do tych o podobnym sprężystym ośrodku poprzecznie izotropowym. Pierwszej udanej próby dokonano przy ilościowej ocenie stałych sprężystych wszystkich komponentów minerałów ilastych w poprzecznie izotropowym przybliżeniu, co jest w pełni zgodne z danymi eksperymentalnymi dotyczącymi tych minerałów. Przeprowadzono wszechstronne badanie parametrów anizotropowych fal sprężystych minerałów ilastych i ich korelacji ze strukturalnymi cechami minerałów. Metoda ta może zostać wykorzystana do przybliżenia stałych sprężystych innych minerałów w formacjach skalnych.

Słowa kluczowe

EN

clay mineral; elastic constant; transversely isotropic approximation; stereo-projection; elastic anisotropy; phase velocity

PL

minerał ilasty; stała sprężysta; przybliżenie poprzeczne izotropowe; stereo-projekcja; sprężysta anizotropia; prędkość fazowa

• Wydawca: Instytut Nafty i Gazu - Państwowy Instytut Badawczy
• Czasopismo: Nafta-Gaz
• Rocznik: 2014
• Tom: R. 70, nr 11
• Strony: 743--756
• Opis fizyczny: Bibliogr. 28 poz., il.

Twórcy

autor

Vyzhva S. A.

• Department of Geophysics, Taras Shevchenko National University of Kyiv 64/13, Volodymyrska Street, City of Kyiv, Ukraine, 01601

autor

Prodayvoda G. T.

• Department of Geophysics, Taras Shevchenko National University of Kyiv Ukraine, 03022, Kyiv, 90 Vasylkivska str.

autor

Vyzhva A. S.

• Taras Shevchenko National University of Kyiv Ukraine, 03022, Kyiv, 90 Vasylkivska str.

Bibliografia

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