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Sandstone permeability estimation from cuttings (view source)
Revision as of 20:31, 5 February 2014
, 20:31, 5 February 2014→Sneider's pore classification for clastics
{| class = "wikitable"
{| class = "wikitable"
|-
|-
! Pore type
! rowspan ="2" | Pore type
! Characteristics of dry, freshly broken surfaces at 20× magnification
! colspan="3" | Characteristics of dry, freshly broken surfaces at 20× magnification
! [[Permeability]]
! rowspan ="2" | Permeability
|-
! Visible
! Visible
! Pinpoint
! Pinpoint
| ± 0.5–1.0 md (depending on particle size, sorting, and clay mineral content)
| ± 0.5–1.0 md (depending on particle size, sorting, and clay mineral content)
|-
|-
| III
| style=white-space:nowrap | III
| None to very isolated
| None to very isolated
| None to a few pores
| None to a few pores