Micro-CT images of a Bentheimer sandstone and a Estaillades carbonate and sample flow fields in the Forchheimer regime:

Bentheimer Sandstone
Estaillades Carbonate,

See Muljadi et al (2015)[DOI][PDF] for more details. For any queries, please contact Bagus Muljadi: b.muljadi@imperial.ac.uk.


 


Micro-CT images of a Bentheimer sandstone and a Ketton carbonate rock and the corresponding velocity fields:

Bentheimer sandstoneKetton,  carbonate
 Bentheimer_image.7z  Ketton_image.7z
 Bentheimer_Ux.7z  Ketton_Ux.7z
 Bentheimer_Uy.7z  Ketton_Uy.7z
 Bentheimer_Uz.7z  Ketton_Uz.7z
 Bentheimer_p.7z  Ketton_p.7z
Summary of the table's contents

Velocity fields are obtained by solving the Navier-Stoke equations for incompressible single phase steady-state flow (viscosity=0.001Pa.s, density=1000Kg/m3, pressure drop=1 Pa) on the microCT images. 

For any query please contact Branko Bijeljic at b.bijeljic@imperial.ac.uk.

 


Sandstone and carbonate rock samples scanned dry using Xradia Versa 500 micro-CT scanner at iRocks Technologies, Beijing, China: 

Image

Rock Type

Resolution (μm)

Size (voxels)

Berea

Sandstone

2.7745

10243

Doddington

Sandstone

2.7745

10243

Estaillades

Limestone

2.6825

10243

Ketton

Limestone

2.654

10243

These samples are segmented according to the variation of CT contrast between rock and pore space using multi-thresholding based on Otsu’s algorithm (Otsu, 1979). For more information, please contact Nayef Al-Ansi at nayef.al-ansi09@imperial.ac.uk