Diagenetic Heterogeneity of Deep Sandstones and Its Relationship to Oil Emplacement: A Case Study from the Middle Jurassic Toutunhe Formation in the Fukang Sag, Central Junggar Basin (NW China)

Figure 13

Cross-plot of ductile grain content versus routine core porosity and permeability. Green triangles denote ductile lithic-rich sandstone, red rhombi denote calcite tightly cemented sandstone, and orange circles denote permeable reservoir sandstone.