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

Table 2

Chemical composition of the carbonate samples. Major oxides (wt.%).

Sample	CaO	MgO	SiO2	Fe2O3	TiO2	Al2O3	MnO	K2O	P2O5	S	LOI
S1	54.05	0.408	1.47	0.407	0.025	1.0	0.408	0.137	0.019	0.059	42.01
S2	51.66	0.794	3.96	1.14	0.029	0.816	0.087	0.066	0.032	0.156	41.08
S3	54.3	0.472	1.13	0.345		0.09	0.035	0.008	0.042	0.04	43.40
S4	48.29	1.35	6.34	1.57	0.016	0.599	0.153	0.021	0.014	0.034	41.54