Table 5 Physical and digital properties of samples from wells B4 and D1, including measured sample dimensions, compressional (\(V_P\)) and shear (\(V_S\)) wave velocities, corresponding lengths and diameters in pixels, and the minimum wavelength thresholds in both pixels and millimeters.

From: Integrative rock physics and computer vision analysis of elastic properties and pore aspect ratios in Brazilian pre-salt carbonates

Sample

Length

(cm)

Diameter

(cm)

\(V_P\)

(m/s)

\(V_S\)

(m/s)

Length

(pixels)

Diameter

(pixels)

Min. wavelength/4

(pixels)

Min. wavelength/4

(mm)

WellB (rad)

3.7

3.7

4965.49

2860.86

6241

6257

419.85

2.48

WellB (ax)

6.92

3.7

4965.49

2860.86

6334

2958

198.48

2.48

WellD (middle)

3.73

3.728

3871.16

2146.17

5769

5735

297.76

1.93

WellD (top)

3.73

3.728

3871.16

2146.17

5728

5728

297.4

1.93