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You are here:
Top >> Resources & Tools >> Petrophysics
Try Geoscience Gateways' interactive online "Geo Toolkit" for routine calculations.

For definitions related to Petrophysics and Formation Evaluation visit the "SPWLA Glossary" or see "Oil & Gas" Dictionaries/Encyclopedias/Glossaries.

See also: "Oil & Gas Online Tools" and "Logging Tool Codes (by Company)"


Alphabetical Listings - 77 Listings
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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  • Apparent Matrix Volumetric Cross-Section Determination
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  • Archie Equation
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  • Archie Equation Explained
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  • Basic Well Log Analysis
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  • Borehole Environment
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  • Crossplots for Porosity and Lithology
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  • Deep Laterolog Bed Thickness Corrections
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  • Deriving the Archie Formula
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  • Donovan Enterprises (Petrophysics Software)
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  • Dual Induction - Deep Induction Bed Thickness Corrections
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  • Dual Induction - Medium Induction Bed Thickness Corrections
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  • Dual Induction - Shallow Focussed Resistivity Borehole Correction
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  • Dual Induction Borehole Corrections
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  • Dual Induction Shallow Focussed Invasion Corrections
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  • Dual Laterolog Borehole Corrections
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  • Dual Laterolog Rxo Invasion Corrections
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  • Environmental Correction to Density Tool
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  • Environmental Corrections to Compensated Neutron
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  • Formation Factor (F) Versus Porosity
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  • Formation Resistivity Charts
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  • Formation Temperature Estimation
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  • Gamma Ray Borehole Corrections
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  • Geo ToolkitFavorite Site
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  • IHS LognetPay Site
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  • Log Analysis I (PetEng)
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  • Log Analysis II (PetEng)
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  • Log Interpretation ChartsFavorite Site
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  • Logging Tool Codes (by Company)Favorite Site
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  • LogPlot - Well Lithology & BoreholePay Site
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  • LogPlot 3.0Pay Site
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  • LogTech - Digital Well Log SolutionsPay Site
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  • Matrix Identification Plot
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  • Micro SFL Mudcake Correction
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  • Microlog Interpretation Chart
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  • Mineral Identification Plot
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  • Mineral Identification Using Neutron-Density-Sonic
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  • Neutron Porosity Matrix Conversions
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  • Petrolog (Free Petrophysical Software)
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  • Petrophysical Software Directory - SPWLA
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  • Phased Induction Borehole Corrections
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  • Porosity & Lithology Determination from Comp. Density & Comp. Neutron - Fluid Density 1.0
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  • Porosity & Lithology Determination from Comp. Density & Comp. Neutron - Fluid Density 1.1
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  • Porosity & Lithology Determination from Epithermal Neutron & Comp. Density - Fluid Density 1.0
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  • Porosity & Lithology Determination from Epithermal Neutron & Comp. Density - Fluid Density 1.1
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  • Porosity (Geo Toolkit)
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  • Porosity and Lithology Determination from Wyllie Sonic and Density
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  • Porosity and Lithology Determination from Wyllie Sonic and Epithermal Neutron - English
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  • Porosity and Lithology Determination from Wyllie Sonic and Epithermal Neutron - Metric
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  • Porosity and Lithology from Photoelectric Density Log - Fluid Density 1.0
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  • Porosity and Lithology from Photoelectric Density Log - Fluid Density 1.1
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  • Porosity and Lithology from Wyllie Sonic and Compensated Neutron - English
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  • Porosity and Lithology from Wyllie Sonic and Compensated Neutron - Metric
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  • Porosity Charts
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  • Porosity Estimation in Hydrocarbon Zones
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  • Porosity From Compensated Density
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  • Porosity from Sonic P and Compensated Density - English
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  • Porosity from Sonic P and Compensated Density - Metric
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  • Porosity Versus Wyllie Sonic - English
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  • Porosity Versus Wyllie Sonic - Metric
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  • Resistivity - Rw (Geo Toolkit)
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  • Resistivity of NaCl Solutions
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  • RMF / SSP (Geo Toolkit)
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  • Rule of Thumb Water Saturation (Sw)
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  • Rw Versus Rwe
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  • Rwe Determination from SSP
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  • Shale Volume (Geo Toolkit)
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  • Shale Volume (Vsh) Estimation
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  • Shallow Laterolog Bed Thickness Corrections
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  • Society of Professional Well Log Analysts
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  • Spherically Focused Borehole Corrections
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  • SPWLA Glossary
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  • Temperature (Geo Toolkit)
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  • Texas Rw DatabaseFavorite Site
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  • Water Saturation - Sw (Geo Toolkit)
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  • Well Log Analysis - Companies
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  • Well Logs (SJGS)
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  • Well SymbolsFavorite Site
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