Role Played by Oil Emplacement in Controlling Pore Network Evolution of Tight Sandstones

Figure 13

Pore evolution path for different types of sandstones. Q: quartz; F: feldspar; RF: rock fragment; Ma: matrix; Ch: chlorite; FD: feldspar dissolution; Ca: carbonate; Ka: kaolinite; Kil: kaolinite illitritization; Il: illite; QC: quartz cement; Mi: mica.