Acknowledgements • About the Authors • Preface (Second Edition) • Preface (First Edition) • 1: Basic Relationships of Well Log Interpretation • Introduction • General • Borehole Environment • Invasion and Resistivity Profiles • Basic Information Needed in Log Interpretation • Common Equations • Review • 2: The Spontaneous Potential Log • General • Formation Water Resistivity (Rw) Determination • Shale Volume Calculation • Review • 3: Gamma Ray Log • General • Shale Volume Calculation • Spectral Gamma Ray Log • Review • 4: Porosity Logs • General • Nuclear Magnetic Resonance Log • Sonic Log • Density Log • Neutron Log • Porosity Measurement Combinations • Consistency in Lithology Prediction • Review • 5: Resistivity Logs • General • Laterologs • Induction Logs • Flushed Zone Resistivity Logs • Interpretation • High Frequency (dielectric) Measurements • Review • 6: Magnetic Resonance Imaging Logs: by Steven Henderson • General • Limitations of Conventional Logs • Nuclear Magnetic Resonance Applications • Principle of NMR Logging • Pore Size and Fluid Moveability • NMR Permeability • Direct Hydrocarbon Typing • NMR Applications in Carbonates • Review • 7: Log Interpretation • General • Scanning the Logs: A Reconnaissance Technique • Archie Water Saturations: Sw and SXQ • Quick-look Methods • Bulk Volume Water • Saturation Crossplots • Permeability From Logs • Shaly Sand Analysis • Review • 8: Petrophysical Techniques • General • Neutron-Density Lithology Plot • Neutron-Sonic Lithology Plot • Density-Sonic Lithology Plot • M-N Lithology Plot • MID (Matrix Identification) Lithology Plot (Pmaa vs. ~lma) • MID (Matrix Identification) Lithology Plot (Umaa vs. Pma) • Alpha Mapping From the SP Log • Clean Sand or Carbonate Maps from the Gamma Ray Log • Rock Typing and Facies Mapping • Review • 9: Borehole Imaging: by Neil Hurley • General • Electrical Borehole Images • Acoustic Borehole Images • Downhole Video Images • Emerging Techologies: Other Borehole Images • Borehole Image Interpretation • Review • 10: Interpretation Case Studies • 1: Pennsylvanian Atoka Sandstone, Permian Basin, U.S.A. • 2: Mississippian Mission Canyon Formation, Williston Basin, U.S.A. • 3: Eocene Wilcox Sandstone, Gulf Coast, U.S.A. • 4: Pennsylvanian Upper Morrow Sandstone, Anadarko Basin, U.S.A. • 5: Cretaceous Pictured Cliffs Sandstone, San Juan Basin, U.S.A. • 6: Ordovician-Silurian Chimneyhill Subgroup, Hunton Group, Anadarko Basin, U.S.A. • 7: Pennsylvanian Canyon Limestone, New Mexico, U.S.A • References