2017
DOI: 10.1190/geo2016-0656.1
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Physical constraints on C13 for transversely isotropic shales and their applications

Abstract: The problem of theoretical prediction of the elastic stiffness parameter [Formula: see text] is important, as well as proper establishment of its theoretical bounds, which is extremely useful in the reliable [Formula: see text] estimation. We revise a formula for the lower bound [Formula: see text], empirically derived by F. Yan with coauthors, based on their empirical inequality between two Poisson’s ratios in a transversely isotropic elastic medium; i.e., [Formula: see text]. In doing this, we consider a the… Show more

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Cited by 12 publications
(4 citation statements)
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“…where the superscript LS defines the linear slip on bedding-parallel discontinuities used in the model of Schoenberg (1980;see also Schoenberg and Sayers, 1995). This lower bound is quite consistent with our database displayed in Figure 1, so we alter Chichinina's (2017)…”
Section: Lower and Upper Bounds On C 13supporting
confidence: 89%
“…where the superscript LS defines the linear slip on bedding-parallel discontinuities used in the model of Schoenberg (1980;see also Schoenberg and Sayers, 1995). This lower bound is quite consistent with our database displayed in Figure 1, so we alter Chichinina's (2017)…”
Section: Lower and Upper Bounds On C 13supporting
confidence: 89%
“…Фактически ограниченный диапазон доступных углов прохождения усложняет надежную оценку пятого компонента C 13 тензора модулей упругости трансверсально-изотропной среды (transverselyisotropic; TI). В работе (Chichinina, 2017) дается обзор теоретических и эмпирических ограничений параметра C 13 в трансверсально-изотропных породах, имеющих вертикальную ось симметрии (vertical transversely isotropic; VTI). В статье 2015 г.…”
Section: Introductionunclassified
“…В статье 2015 г. (Chichinina et al, 2015) обнаружено, что нижняя граница C 13min , установленная в работе (Yan et al, 2016), совпадает с формулой C 13 для модели линейного проскальзывания. Также были определены верхние и нижние физические границы C 13 в органических сланцах, представленные в (Chichinina and Vernik, 2018) : 2 13min 13 33 11 66 66 66 13max 11 44 33 44 44 ( 2 ) ,…”
Section: Introductionunclassified
“…La validez física de estos límites fue refutada más tarde por Sarout [2017], probando que puede existir al menos un medio VTI en el que E 11 > E 33 pero en el que ν 12 > ν 13 concluyendo, de este modo, que las restricciones derivadas por Yan y colaboradores no podían tomarse como filtros válidos para datos de shales. Poco tiempo después Chichinina [2017] demostró que tanto la desigualdad ν 13 > ν 12 derivada por Yan y colaboradores, como la desigualdad ν 13 < ν 12 derivada por Sarout son válidas y que cada una define un grupo distinto de shales. Es decir que, existen dos grupos; el primero que cumple la desigualdad de Yan, y el segundo la de Sarout.…”
Section: Estimación Del Coeficiente C 13 Y Restricciones Asociadasunclassified