Download - Lecture items
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Lecture itemsLecture items
* Theory of measurement of other resistivity logs.
* Log formats.
* Factors affecting on log measurements.
* Applications.
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MSFL, LLS and LLD logsMSFL, LLS and LLD logs
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Theory of Theory of Induction Induction
logslogs
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Factors affecting on resistivity Factors affecting on resistivity logginglogging
Borehole sizeMud cake type and thicknessInvasion diameterBed thickness and tool resolutionDepth of investigation
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Application of Resistivity logsApplication of Resistivity logs
Saturation determinationLithology identificationSource Rock identificationLocating of hydrocarbon bearing zonesDetermination of shale volume Localization of over-pressured zonesCorrelation purposes
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Where: Sw = water saturation F = formation factor (a/fm) a = tortuosity factor m = cementation exponent Rw = resistivity of formation water Rt = true formation resistivity as measured by resistivity log n = saturation exponent (most commonly 2.0)
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