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Quick-look lithology from logs (view source)
Revision as of 15:40, 2 September 2014
, 15:40, 2 September 2014→Caliper logs
* ''Hydrocarbons''. The SP is generated in water. High hydrocarbon saturation reduces the SP, making sands appear more shaly.
* ''Hydrocarbons''. The SP is generated in water. High hydrocarbon saturation reduces the SP, making sands appear more shaly.
==[[Basic open hole tools#Calipers|Caliper logs]]==
==Caliper logs==
===Property measured===
===Property measured===
For lithological purposes, the critical data are caliper readings ''relative'' to bit size. There are three scenarios:
For lithological purposes, the critical data are [[Basic open hole tools#Calipers|caliper]] readings ''relative'' to bit size. There are three scenarios:
{| class = "wikitable"
{| class = "wikitable"