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True resistivity determination (view source)
Revision as of 15:34, 11 November 2014
, 15:34, 11 November 2014→Obtaining a valid rt value
{| class="wikitable"
{| class="wikitable"
|-
|-
! If…
! If… || Then…
|-
|-
| Bed is < 20 ft thick for an [[Basic open hole tools#Induction|induction log]] or < 4 ft thick for a [[Basic open hole tools#Laterologs|laterolog]]
| Bed is < 20 ft thick for an [[Basic open hole tools#Induction|induction log]] or < 4 ft thick for a [[Basic open hole tools#Laterologs|laterolog]] || Correct for this bed using appropriate service company chart
| Correct for this bed using appropriate service company chart
|-
|-
| Shallow, medium, and deep investigating tools measure different resistivities (i.e., log has step profile)
| Shallow, medium, and deep investigating tools measure different resistivities (i.e., log has step profile) || Correct for invasion using appropriate service company tornado chart
| Correct for invasion using appropriate service company tornado chart
|}
|}