Numerical Simulations of Carbon Dioxide Storage Efficiency in Heterogeneous Reservoir Models

Table 4

Calculated dynamic storage efficiencies for studied lithologies and depositional environments.

Lithology: depositional environment	Injection years	Volumetric displacement			Microscopic displacement			Product of
		Sandstone: aeolian	1	14.6	24.2	34.4	36.1	39.6	44.7	5.8	9.3	14.0
5	12.2		16.6	24.0	38.7	43.1	47.8	5.2	7.4	10.5
10	12.0		15.8	22.7	40.2	45.0	49.2	5.2	7.4	10.3
20	11.9		16.6	24.5	42.2	46.3	49.7	5.4	8.0	11.4
30	11.4		16.0	23.9	43.2	47.3	50.2	5.3	7.8	11.2
Sandstone: shallow marine	1	17.2	25.2	35.5	28.9	32.4	35.5	5.4	8.1	11.7
	5	23.9	30.2	38.7	30.3	33.6	37.0	7.9	10.3	13.2
	10	26.4	35.5	46.4	29.3	33.3	37.1	8.5	11.8	15.8
	20	31.8	43.3	54.0	30.5	34.0	37.7	10.6	14.4	18.7
	30	33.9	44.6	57.4	30.7	35.2	40.3	11.7	16.0	21.0
Sandstone: fluvial	1	40.2	51.4	62.4	22.2	24.7	27.2	9.7	12.6	15.7
	5	47.0	62.2	75.8	24.2	26.7	29.0	12.2	16.5	20.6
	10	49.2	65.2	78.5	24.8	27.6	29.8	13.2	17.7	21.8
	20	48.7	66.0	79.9	26.0	28.6	30.5	13.6	18.5	22.7
	30	46.8	65.1	80.0	26.3	29.1	30.8	13.2	18.6	23.1
Carbonate: shallow marine dolomite	1	37.8	49.1	66.4	49.4	51.1	52.6	19.3	26.8	33.9
	5	50.1	67.7	81.2	51.4	53.5	55.5	26.6	36.1	43.5
	10	58.8	76.2	86.5	52.4	54.5	56.1	31.8	40.7	47.2
	20	69.0	80.5	88.9	53.4	55.1	56.5	37.9	44.5	49.1
	30	69.6	81.6	90.8	53.8	55.3	56.7	38.4	45.6	50.3
Carbonate: reef limestone	1	25.0	35.0	49.9	30.2	34.9	43.2	8.7	13.2	18.8
	5	28.4	41.6	55.2	35.3	44.2	52.1	11.8	17.8	25.3
	10	31.3	41.9	58.7	39.2	48.4	54.7	13.9	20.7	28.4
	20	32.0	46.0	65.6	43.1	52.4	55.6	15.4	23.8	33.2
	30	30.3	47.6	69.3	45.8	53.3	55.8	15.0	25.0	35.4

Equation (3) assuming , , and to be equal to 1.0.