Research Article
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 (103 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 |
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