Experimental data on bulk and unjacketed moduli of porous rocks
Cite this dataset:
Makhnenko, Roman; Tarokh, Ali (2019): Experimental data on bulk and unjacketed moduli of porous rocks. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-7478121_V2
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Dataset Description

This dataset is provided to support the statements in Tarokh, A., and R.Y. Makhnenko. 2019. Remarks on the solid and bulk responses of fluid-filled porous rock, Geophysics.
The unjacketed bulk modulus is a poroelastic parameter that can be directly measured in a laboratory test under a loading that preserves the difference between the mean stress and pore pressure constant. For a monomineralic rock, the measurement of the unjacketed bulk modulus is ignored because it is assumed to be equal to the bulk modulus of the solid phase. To examine this assumption, we tested porous sandstones (Berea and Dunnville) and limestones (Apulian and Indiana) mainly composed of quartz and calcite, respectively, under the unjacketed condition. The presence of microscale inhomogeneities, in the form of non-connected (occluded) pores, was shown to cause a considerable difference between the unjacketed bulk modulus and the bulk modulus of the solid phase. Furthermore, we found the unjacketed bulk modulus to be independent of the unjacketed pressure and Terzaghi effective pressure and therefore a constant.
Subject Life Sciences
Keywords Poroelasticity; anisotropic solid skeleton; unjacketed bulk modulus; non-connected porosity
License CC BY
Corresponding Creator Roman Makhnenko
Downloaded 895 times
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2 10.13012/B2IDB-7478121_V2 Corrected an error file 2019-03-06
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