Experimental Study of the Flow Mechanism of Deep Lacustrine Carbonate Reservoirs in the Yingxi Area of the Qaidam Basin

Figure 4

Petrological characteristics of the reservoir rocks. (a) Dolomitic mudstone, sampling depth of 4138 m, (b) calcite dolomites with gypsum, sampling depth of 3731 m, (c) silty mudstone with dolomite, and (d) dolomicrite with gypsum.

(a)

(b)

(c)

(d)