F is sometimes taken from the latest counted porosity of the development from the relationships
Well logs give understanding of the latest formations and conditions regarding the subsurface, aligned generally during the detection and you can investigations out-of perhaps active limits.
Determination from saturation
Liquids saturation ‘s the tiny fraction of pore level of this new tank material that is filled with h2o. It is fundamentally presumed, except if otherwise understood, that the pore volume perhaps not filled with drinking water is filled with hydrocarbons. Determining liquids and you will hydrocarbon saturation is just one of the basic expectations of well signing.
Clean formations
All-water saturation determinations out of resistivity logs within the https://datingranking.net/local-hookup/chula-vista/ clean (nonshaly) structures with homogeneous intergranular porosity derive from Archie’s water saturation equation, or variations thereof. [1] [2] The latest formula try
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