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Line 32:
Line 32: − + − ! Intergranular stress − ! Rock matrix appearance − ! [[Porosity]] − + − − − − + − − −
Pressure prediction: analysis of cuttings (view source)
Revision as of 16:14, 28 October 2014
, 16:14, 28 October 2014→Compaction and fluid pressure
{| class = "wikitable"
{| class = "wikitable"
|-
|-
! Pore pressure
! Pore pressure || Intergranular stress || Rock matrix appearance || [[Porosity]]
|-
|-
| Abnormally high
| Abnormally high || Abnormally low || Evidence of undercompaction || Higher than normal for depth of burial
| Abnormally low
| Evidence of undercompaction
| Higher than normal for depth of burial
|-
|-
| Abnormally low
| Abnormally low || Abnormally high || Evidence of overcompaction, i.e., grains may be broken and/or sutured || Lower than normal for depth of burial
| Abnormally high
| Evidence of overcompaction, i.e., grains may be broken and/or sutured
| Lower than normal for depth of burial
|}
|}