Reservoir Characteristics and Its Comprehensive Evaluation of Gray Relational Analysis on the Western Sulige Gas Field, Ordos Basin, China

Figure 3

Main diagenesis types of the main gas interval in the western Sulige gas field. (a) Compaction and cementation (e18 Well, 3604.89 m); (b) secondary enlargement of quartz (s146 Well, 3554.7 m); (c) siliceous cementation (s245 Well, 3655.36 m); (d) ferrocalcite (s245 Well, 3585.7 m); (e) ferrodolomite cementation (e18 Well, 3697.17 m); (f) ferruginous and argillaceous cementation (s68 Well, 3634.06 m); (g) replacement of feldspar (s244 Well, 3552.61 m); (h) intergranular dissolved pores (c1 Well,3515.85 m); (i) dissolved pore of detritus (s75 Well, 3432.27 m).

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