Introduction Chapter 1 Drilling Geology Chapter 2 Evaluation Oil, Gas and Water Chapter 3 Stratigraphic Classification and Stratigraphic Correlation Chapter 4 Subsurface Structure Research Chapter 5 Formation Pressure and Formation Temperature Chapter 6 Reserves CalculationSubsurface Geology of Oil and Gas Fields第六章 储量计算Chapter 6 Reserves Calculation第二节 容积法储量计算(Volumetric Method)第三节 物质平衡法(Material Balance Method)第四节 气藏物质平衡法储量计算压降法 (Pressure Decline Method)第一节 油气储量分类(Classification)第一节 油气储量分类(Cl