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Water resistivity determination (view source)
Revision as of 16:04, 17 January 2014
, 16:04, 17 January 2014→Principle
:<math>R_{\rm w} = \phi^{2}\, R_{\rm t} </math>
:<math>R_{\rm w} = \phi^{2}\, R_{\rm t} </math>
[[Porosity]] (ϕ) can be derived from logs. (For more information on methods to derive [[porosity]] and the Archie equation, see the chapter on “[[Standard interpretation]]” in Part 4. For more on deriving ''R''<sub>t</sub>, see the chapter on “Preprocessing of Logging Data,” also in Part 4.)
[[Porosity]] (ϕ) can be derived from logs. (For more information on methods to derive [[porosity]] and the Archie equation, see [[Standard interpretation]]. For more on deriving ''R''<sub>t</sub>, see [[Preprocessing of logging data]].)
===Procedure===
===Procedure===