Lecture items
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Transcript of Lecture items
Lecture itemsLecture items
- Resistivity Logs
* Definition.
* Types
* Units & Presentation.
* Theories of measurement.
* Factors affecting on log readings.
* Applications.
Resistivity Logs - Conventional resistivity logs.
- Focused resistivity Logs.
- Microspherically focused logs.
- Induction logs.
Resistivity logs “Definition”
Such logs measure and record either resistivity or conductivity of the drilled sequence versus depth.
Units & Presentations
Units of measurements are Ohm.m or m.mhos/mPresentations: Tracks 2 &or 3 on logarithmic scale
Conventional resistivity logsConventional resistivity logs
Normal and Lateral R. LNormal and Lateral R. L..
Short & Long Normal and Lateral RLShort & Long Normal and Lateral RL..
Theory Theory ofof
focusing focusing systemsystem
Spherically focused logsSpherically focused logsLL7, LL3 and SFLLL7, LL3 and SFL
Dual Latero- Dual Latero- logs logs
LLS & LLDLLS & LLD
LLS & LLD logsLLS & LLD logs
Hydrocarbon Hydrocarbon effects on effects on resistivity resistivity
logslogs