A critical review on pore to continuum scale imaging techniques for enhanced shale gas recovery

D Chandra, V Vishal - Earth-Science Reviews, 2021 - Elsevier
Imaging and image analysis of shale provides insights into the pore and fracture networks,
disposition of compositional elements, and signatures of diagenesis and fluid flow …

Correlative core-to pore-scale imaging of shales

J Goral, M Andrew, T Olson, M Deo - Marine and Petroleum Geology, 2020 - Elsevier
Unconventional reservoirs (eg, shales) remain poorly understood, compared to conventional
reservoirs, due to their complex compositional and structural anisotropy. These …

Correlative multi-scale imaging of shales: a review and future perspectives

L Ma, AL Fauchille, PJ Dowey… - Geological Society …, 2017 - lyellcollection.org
As the fastest growing energy sector globally, shale and shale reservoirs have attracted the
attention of both industry and scholars. However, the strong heterogeneity at different scales …

Pore system characterization of organic-rich shales using nanoscale-resolution 3D imaging

J Goral, I Walton, M Andrew, M Deo - Fuel, 2019 - Elsevier
Abstract The Vaca Muerta Shale in Argentina is the first major commercial shale oil/gas play
outside of North America. High-resolution 2D/3D imaging of shale rocks for the purpose of …

X-ray tomography imaging of shale microstructures: A review in the context of multiscale correlative imaging

M Arif, M Mahmoud, Y Zhang, S Iglauer - International Journal of Coal …, 2021 - Elsevier
Shale microstructure determines hydrocarbon reserves and productivity. However, despite
its high economic importance, the shale microstructure remains poorly understood. This is …

Micro-structural studies of gas shales

CH Sondergeld, RJ Ambrose, CS Rai… - SPE Unconventional …, 2010 - onepetro.org
To understand the deliverability of gas shales, one needs to understand the controls on
porosity and permeability. The microstructure of shale is defined in part by the grain size …

Pore network characterization of shale reservoirs through state-of-the-art X-ray computed tomography: A review

Q Liu, M Sun, X Sun, B Liu, M Ostadhassan… - Gas Science and …, 2023 - Elsevier
Shale microstructures control the capacity of the formation to store hydrocarbons and its fluid
flow. However, microstructural complexity and multiscale heterogeneity is a challenge in a …

Multiscale description of shale pore systems by scanning SAXS and WAXS microscopy

L Leu, A Georgiadis, MJ Blunt, A Busch, P Bertier… - Energy & …, 2016 - ACS Publications
The pore space of shales and mudrocks ranges from molecular dimensions to micrometers
in length scale. This leads to great variation in spatial characteristics across many orders of …

Assessing the utility of FIB-SEM images for shale digital rock physics

S Kelly, H El-Sobky, C Torres-Verdín… - Advances in water …, 2016 - Elsevier
Shales and other unconventional or low permeability (tight) reservoirs house vast quantities
of hydrocarbons, often demonstrate considerable water uptake, and are potential …

3D visualization and classification of pore structure and pore filling in gas shales

C Sisk, E Diaz, J Walls, A Grader… - SPE Annual Technical …, 2010 - onepetro.org
Shale gas is a growing resource worldwide as many basins are being explored and
produced. However, little is still known and understood about two key parameters in gas …