Evaluating the Sealing Effectiveness of a Caprock-Fault System for CO₂-EOR Storage: A Case Study of the Shengli Oilfield

Table 5

Fault property sheet.

Fault name	Activity stopping time	Relationship between the fault lateral extension and caprock	Relationship between the fault throw and caprock thickness	Largest fault dip angle (°)	Vertical permeability (10^3 mD)	Fault rock thickness (m)	Minimum displacement pressure (MPa)	Minimum formation pressure (MPa)	Lateral displacement work	Lateral permeability (10^−7 mD)	Closed coefficient	Upthrown; SGR (%)	Upthrown SSF	Downthrow; SGR (%)	Downthrow; SSF
F1	The late Guantao	Broken through type	Seal connected type	62	1	1.02	19.61	31.600	25348.24	8.1	1.903	0	0.76	/	/
F2	The late Guantao	Broken through type	Seal connected type	49	1	1.04	18.302	29.797	10203.58	2.4	1.987	0	0.33	25–35	7
F3	ES3M	Embedded type	Seal connected type	52	1	1.03	17.724	29.059	7278.321	1.7	1.988	0	0.22	24–32	5.5
F4	Before the depositing of ES2	Embedded type	Seal connected type	41	1	1.03	16.872	27.896	10447.25	9.5	2.007	0	0.33	25–45	4
F5	Before the depositing of ES2	Embedded type	Seal connected type	48	1	1.03	16.42	27.304	15459.13	4.2	1.879	0	0.54	15–20	9
F6	Before the depositing of ES2	Embedded type	Seal connected type	49	1	1.03	18.632	30.250	15209.75	1.7	1.983	0	0.43	10–15	8
F7	Before the depositing of ES2	Embedded type	Seal connected type	52	1	1.02	19.729	31.827	8020.887	4.0	1.977	0	0.22	10–18	2.4
F8	Before the depositing of ES2	Embedded type	Seal connected type	46	1	1.03	18.757	30.609	6981.568	1.3	1.922	0	0.22	18–32	8.7
F9	Before the depositing of ES2	Embedded type	Seal connected type	47	1	1.03	20.025	32.342	7405.984	2.0	1.927	0	0.22	20–32	2
F10	Before the depositing of ES2	Embedded type	Seal connected type	52	1	1.01	19.44	30.723	10641.43	3.2	2.100	0	0.33	25–40	7.2
F11	Before the depositing of ES2	Embedded type	Seal connected type	55	1	1.02	19.331	31.241	8582.552	1.0	1.928	0	0.26	15–25	7.5
F12	Before the depositing of ES2	Embedded type	Seal connected type	45	1	1.03	16.15	26.665	3330.498	1.1	3.147	0	0.11	22	6.2
F13	Before the depositing of ES2	Embedded type	Seal connected type	44	1	1.02	15.627	26.259	2961.856	5.0	2.337	0	0.11	28–30	5.2
F14	Before the depositing of ES2	Embedded type	Seal connected type	45	1	1.03	17.167	28.283	5656.751	2.8	1.992	0	0.17	18–26	6.7
F25	The end of ES3X deposit	Embedded type	Seal connected type	41	1	1.03	16.962	28.040	3182.196	1.2	2.062	0	0.28	16–20	7.5
F15	The end of ES3X deposit	Embedded type	Intact top seal type	40	1	1.03	18.55	30.137	8951.203	2.0	1.763	25–35	0.75	32–44	0.75
F21	The end of ES3X deposit	Embedded type	Seal connected type	48	1	1.03	16.825	27.834	3157.941	1.5	2.165	32	2	32	2