Experimental Investigations of the Process of Carbonate Fracture Dissolution Enlargement under Reservoir Temperature and Pressure Conditions

Figure 15

SEM photomicrographs of the calcite matrix and calcite vein of S₃. (a) Preexperiment SEM photomicrographs of the calcite matrix. (b) Postexperiment SEM photomicrographs of the calcite matrix. (c) Preexperiment SEM photomicrographs of the calcite vein. (d) Postexperiment SEM photomicrographs of the calcite vein.

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