1. Reservoir Engineering Formulas and Calculations2. Drilling Engineering Formulas and Calculations3. Well Test Analysis Formulas and Calculations4. Production Engineering Formulas and Calculations5. Fluid Flow and Transport Phenomena Formulas and Calculations6. Well Log Analysis, Geophysics, Petrophysical Formulas and Calculations7. Petroleum Economics Formulas and Calculations8. Phase Behavior and Thermodynamics Formulas and Calculations9. Petroleum Engineering Laboratory Formulas and Calculations10. Enhanced Oil Recovery Formulas and Calculations11. Geomechanics and Fracture Formulas and Calculations12. Facilities and Process Engineering Formulas and Calculations