Impact of Differential Densification on the Pore Structure of Tight Gas Sandstone: Evidence from the Permian Shihezi and Shanxi Formations, Eastern Sulige Gas Field, Ordos Basin, China

<div>X-ray diffraction analysis (XRD) of the &lt;2 <i>μ</i>m fraction for clay mineral identification. qtz = quartz; fs = alkali feldspar; ch = chlorite; I = illite; K = kaolinite (N, EG, and H represent samples treated with air-dried ethylene glycol and heated at 500°C). (a) SD24-55 and 2798.74 m; (b) Z10, 3108.926 m.</div>

Geofluids

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Figure 5

Figure 5: Impact of Differential Densification on the Pore Structure of Tight Gas Sandstone: Evidence from the Permian Shihezi and Shanxi Formations, Eastern Sulige Gas Field, Ordos Basin, China 

Figure 5 | Impact of Differential Densification on the Pore Structure of Tight Gas Sandstone: Evidence from the Permian Shihezi and Shanxi Formations, Eastern Sulige Gas Field, Ordos Basin, China 