Diagenetic Evolution of Marine Carbonate Reservoirs: A Case Study from M5<sub>1-2</sub> Submember of Middle Ordovician Majiagou Formation in SE Ordos Basin, China

<div>Stratigraphic and lithology histogram of the Yan’an gas field with photographs of the representative lithology of the gas field: (a) anhydrite-bearing mud powder crystal dolomite, (b) algal dolomite, (c) tuff, (d) fully filled anhydrite-bearing mud powder crystal dolomite, (e) karst breccia, and (f) fracture developed fine-powder crystal dolomite.</div>

Geofluids

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Figure 2: Diagenetic Evolution of Marine Carbonate Reservoirs: A Case Study from M5<sub>1-2</sub> Submember of Middle Ordovician Majiagou Formation in SE Ordos Basin, China 

Figure 2 | Diagenetic Evolution of Marine Carbonate Reservoirs: A Case Study from M51-2 Submember of Middle Ordovician Majiagou Formation in SE Ordos Basin, China 