A New Method for Predicting the Permeability of Sandstone in Deep Reservoirs

Table 3

Data sets of 22 core samples, including the experimental data and model predicted permeability data.

Core no.	Porosity (%)	Permeability (mD)	Swanson parameter	Capillary parachor parameter	Swanson model results (mD)	Improved Swanson model results (mD)	Capillary parachor model results (mD)	Improved capillary parachor model results (mD)	SVR model results (mD)
1	4.06	18.89	285.6	3171.4	30.8	27.55	32.72	23.81	18.69
2	7.89	4.56	87.6	729.2	3.66	4.25	3.9	6.49	4.26
3	15.47	9.73	198.2	383.8	15.95	18.07	1.54	4.31	9.18
4	9.34	7.32	170.4	1385.5	12.12	13.09	9.87	13.84	11.37
5	4.96	23.84	243.7	3270.5	23.09	21.72	34.21	26.73	24.98
6	3.86	10.73	219.5	1597.9	19.14	17.66	12.13	11.18	11.59
7	17.11	5.51	92.2	442.6	4.01	5.15	1.89	5.24	5.39
8	10.45	2.84	64.5	1125.4	2.11	2.66	7.3	11.61	4.02
9	3.97	27.11	245.3	3260.4	23.44	21.36	34.06	24.29	27.61
10	11.08	3.77	89.2	632.2	3.78	4.59	3.17	6.41	4.31
11	7.14	25.11	198.1	1597.9	15.95	16.25	12.13	14.43	19.22
12	15.09	94.69	487.9	5260.4	81.02	80.37	68.07	70.6	76.92
13	15	5.81	179.6	1201.3	13.3	15.22	8.02	14.46	7.41
14	11.8	22.84	297.2	1842.8	33.18	34.16	14.91	20.71	22.87
15	12.39	30.35	255.1	2451.2	25.19	26.69	22.53	28.69	31.65
16	13.29	48.76	297.6	4242.8	33.18	34.72	49.87	53.19	48.27
17	6.44	2.58	61.5	106.3	1.93	2.3	0.24	0.76	1.39
18	7.56	2.35	107.2	510.5	5.25	5.89	2.32	4.35	3.19
19	5.18	6.06	243.4	1842.8	23.09	21.85	14.91	14.72	6.36
20	23.27	138.35	681.6	8544.7	148.43	148.9	137.4	142.12	140.75
21	16.43	95.69	495.8	7144.7	83.44	83.54	106.04	101.54	100.63
22	8.24	5.01	113.3	2687	5.8	6.53	0.92	2.26	3.79