Pore Structure Differentiation between Deltaic and Epicontinental Tight Sandstones of the Upper Paleozoic in the Eastern Linxing Area, Ordos Basin, China

Figure 5

Pore type of coal-measure sandstone. All the sections were selected from well LXD-2, which is located in the central part of the study area, and the depths are marked. (a) Lithic dissolution pores and dissolution pores; (b) lithic dissolution pores, dissolution pores, and interparticle pores; (c) dissolution pores and intergranular pores; (d) mold pores.