1. The Nature of the Carbonate Depositional System -- 2. Concepts of Sequence Stratigraphy as Applied to Carbonate Depositional Systems -- 3. The Nature and Classification of Carbonate Porosity -- 4. Diagenetic Environments of Porosity Modification and Tools for their Recognition in the Geologic Record -- 5. Normal Marine Diagenetic Environments -- 6. Evaporative Marine Diagenetic Environments -- 7. Diagenesis in the meteoric environment -- 8. Summary of early diagenesis and porosity modification of carbonate reservoirs in a sequence stratigraphic and climatic framework -- 9. Burial diagenetic environment -- 10. Porosity evolution from sediment to reservoir: Case histories.