The Evolution of Diagenetic Fluids and Accumulation Characteristics of Tight Sandstone Reservoir in Upper Paleozoic, Southwestern Ordos Basin

Figure 7

Laser Raman spectrogram of fluid inclusions in sandstone reservoir in the study area. (a) Qingtan 2 well, Shanxi Group, 4722.80 m; (b) Qingtan 2 well, Shanxi Group, 4722.80 m; (c) Qingtan 2 well, Shanxi Group, 4728.08 m; (d) Lian 1 well, Shihezi Group, 3424.26 m; (e) Lian1 well, Shihezi Group, 3424.26 m; (f) He 3 well, Shihezi Group, 4073.09 m; (g) He 3 well, He 8 section, 4081.68 m; (h) Zitan 1 well, Shihezi Group, 3736.19 m; (i) Zitan 1 well, Shihezi Group, 3740.51 m.

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