Bentheimer sandstone revisited for experimental purposes

AE Peksa, KHAA Wolf, PLJ Zitha - Marine and Petroleum Geology, 2015 - Elsevier
Bentheimer sandstone outcrop samples are ideal for laboratory studies due to their lateral
continuity and block scale homogeneous nature. Over the years they have been used to …

The influence of pore geometry and orientation on the strength and stiffness of porous rock

L Griffiths, MJ Heap, T Xu, C Chen, P Baud - Journal of Structural Geology, 2017 - Elsevier
The geometry of voids in porous rock falls between two end-members: very low aspect ratio
(the ratio of the minor to the major axis) microcracks and perfectly spherical pores with an …

Microstructural and petrophysical properties of the Permo-Triassic sandstones (Buntsandstein) from the Soultz-sous-Forêts geothermal site (France)

MJ Heap, ARL Kushnir, HA Gilg, FB Wadsworth… - Geothermal …, 2017 - Springer
Geothermal projects in the Upper Rhine Graben aim to harness thermal anomalies that have
arisen due to hydrothermal circulation within the granitic basement and the overlying Permo …

Permeability anisotropy and its relations with porous medium structure

JB Clavaud, A Maineult, M Zamora… - Journal of …, 2008 - Wiley Online Library
The complete permeability tensor of 18 porous rock cores was determined by means of X‐
ray tomography monitoring during the displacement of a salty tracer. To study the effect of …

Modeling heterogeneity and permeability evolution in a compaction band using a phase-field approach

SCY Ip, RI Borja - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
Compaction bands are tabular zones of localized compressive deformation associated with
porosity and permeability reduction. Depending on their orientation, compaction bands can …

Permeability evolution during localized deformation in Bentheim sandstone

V Vajdova, P Baud, T Wong - Journal of Geophysical Research …, 2004 - Wiley Online Library
Strain localization in porous sandstones may significantly impact the regional fluid flow.
Previous laboratory studies that investigated permeability evolution with deformation …

Permeability evolution during triaxial compaction of an anisotropic porous sandstone

P Baud, P Meredith, E Townend - Journal of Geophysical …, 2012 - Wiley Online Library
In this paper we report results from an experimental study into the influence of pre‐existing
structural anisotropy on deformation localization and permeability evolution during triaxial …

Pore fabric shape anisotropy in porous sandstones and its relation to elastic wave velocity and permeability anisotropy under hydrostatic pressure

PM Benson, PG Meredith, ES Platzman… - International Journal of …, 2005 - Elsevier
To understand the relationship between pore space anisotropy and petrophysical
properties, we developed a novel apparatus capable of simultaneously measuring …

Experimental study of the mechanical anisotropy of aerated concretes and of the adjustment parameters of the introduced porosity

R Cabrillac, B Fiorio, A Beaucour, H Dumontet… - … and building materials, 2006 - Elsevier
The aerated concrete manufacturing process consists in the creation of macro porosity in a
micro-mortar matrix with the help of an expansive agent (aluminum powder), which reacts …

Expedition 349 summary

CF Li, J Lin, DK Kulhanek, T Williams, R Bao, A Briais… - 2015 - boris.unibe.ch
C.-F. Li, J. Lin, DK Kulhanek, T. Williams, R. Bao, A. Briais, EA Brown, Y. Chen, PD Clift, FS
Colwell, KA Dadd, W.-W. Ding, I. Hernández-Almeida, X.-L. Huang, S. Hyun, T. Jiang, AAP …