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Line 35: − + − − [[file:predicting-reservoir-system-quality-and-performance_fig9-32.png|thumb|{{figure number|9-32}}. Copyright: Schlumberger.]]
Spontaneous potential logs in water resistivity calculation (view source)
Revision as of 16:44, 4 March 2014
, 16:44, 4 March 2014→Converting rm to rmf
==Converting r<sub>m</sub> to r<sub>mf</sub>==
==Converting r<sub>m</sub> to r<sub>mf</sub>==
[[file:predicting-reservoir-system-quality-and-performance_fig9-32.png|thumb|{{figure number|1}}. Copyright: Schlumberger.]]
If the log header gives R<sub>m</sub> only, then R<sub>m</sub> must be converted to R<sub>mf</sub> using this procedure:
If the log header gives R<sub>m</sub> only, then R<sub>m</sub> must be converted to R<sub>mf</sub> using this procedure:
|-
|-
| 1
| 1
| Enter R<sub>m</sub> and move across (Figure 9-32) to the appropriate mud weight.
| Enter R<sub>m</sub> and move across ([[:file:predicting-reservoir-system-quality-and-performance_fig9-32.png|Figure 1]]) to the appropriate mud weight.
|-
|-
| 2
| 2
| Project to the bottom of the chart to estimate R<sub>mf</sub>
| Project to the bottom of the chart to estimate R<sub>mf</sub>
|}
|}
==Steps for calculating r<sub>w</sub>==
==Steps for calculating r<sub>w</sub>==