Use the table below to obtain an uninvaded zone resistivity (R<sub>t</sub>).
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To obtain an uninvaded zone resistivity (R<sub>t</sub>)
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{| class = "wikitable"
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# Read the resistivity of the log with deepest investigation (ILD, LLD, etc.).
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#Use the table below to determine how to make corrections.
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{| class="wikitable"
|-
|-
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! Step
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! If…
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! Action
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! Then…
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|-
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| 1
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| Read the resistivity of the log with deepest investigation (ILD, LLD, etc.).
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|-
−
| 2
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| Use the table below to determine how to make corrections.
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−
* <table-wrap id="ch09utbl21a" position="float"> <table frame="hsides"> <colgroup> <col align="left"></col> <col align="left"></col> </colgroup> <thead> <tr> <th align="left"> If… </th> <th align="left"> Then… </th> </tr> </thead> <tbody> <tr> <td align="left"> Bed is Correct for this bed using appropriate service company chart </td></tr> <tr> Shallow, medium, and deep investigating tools measure, different resistivities (i.e., log has step profile) Correct for invasion using appropriate service company tornado chart </tr> </tbody> </table> </table-wrap>