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Line 38:
Line 38: − + − ! Gamma Ray Values (in API units) − + − − + − − + − − + − − + − − + − − + − − + −
Quick-look lithology from logs (view source)
Revision as of 18:15, 22 October 2014
, 18:15, 22 October 2014→Lithological responses
{| class = "wikitable"
{| class = "wikitable"
|-
|-
! Lithology
! Lithology || Gamma Ray Values (in API units)
|-
|-
| Sandstone (quartz)
| Sandstone (quartz) || 15–30 (rarely to 200)
| 15–30 (rarely to 200)
|-
|-
| Limestone
| Limestone || 10–40
| 10–40
|-
|-
| Dolomite
| Dolomite || 15–40 (rarely to 200)
| 15–40 (rarely to 200)
|-
|-
| Shale
| Shale || 60–150
| 60–150
|-
|-
| Organic-rich shale
| Organic-rich shale || 100–250
| 100–250
|-
|-
| Anhydrite, halite
| Anhydrite, halite || 8–15
| 8–15
|-
|-
| Sylvite (KCI)
| Sylvite (KCI) || 350–500
| 350–500
|-
|-
| Coal
| Coal || 15–150 (any value possible)
| 15–150 (any value possible)
|}
|}