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Fig. 4. Hussain’s (2014) LSW coreflooding matching.

Figure 4 Hussain’s (2014) LSW coreflooding matching.

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Fig. 1. Key elements for modeling LSW with fines transport. where N;(i = 1,---,n-) denotes the moles of component i per unit of gridblock volume, and N,,,4; denotes the moles of water per unit of gridblock volume. The superscripts n and n + 1 denote the old and
Fig. 1. Key elements for modeling LSW with fines transport. where N;(i = 1,---,n-) denotes the moles of component i per unit of gridblock volume, and N,,,4; denotes the moles of water per unit of gridblock volume. The superscripts n and n + 1 denote the old and
Fig. 2. Permeability reduction versus injected salinity (data from [25]
Fig. 2. Permeability reduction versus injected salinity (data from [25]
Laboratory measured relative permeability endpoints for HSW and LSW [25] Table 1
Laboratory measured relative permeability endpoints for HSW and LSW [25] Table 1
Fig. 3. Laboratory experimental procedures.
Fig. 3. Laboratory experimental procedures.
Fig. 5. Experimental and calculated oil recovery factor for Hussain’s coreflooding without fines transport modeling
Fig. 5. Experimental and calculated oil recovery factor for Hussain’s coreflooding without fines transport modeling
Fig. 6. Experimental and calculated pressure drop for Hussain’s coreflooding without fines transport modeling.
Fig. 6. Experimental and calculated pressure drop for Hussain’s coreflooding without fines transport modeling.
Fig. 7. Experimental and calculated oil recovery factors for Hussain’s coreflooding with fines transport modeling.
Fig. 7. Experimental and calculated oil recovery factors for Hussain’s coreflooding with fines transport modeling.
Porosity and permeability of each geological unit. Table 2
Porosity and permeability of each geological unit. Table 2
Fig. 9. Relative permeability curve used for matching Hussain’s coreflooding with fines transport modeling. Fig. 8. Experimental and calculated pressure drops for Hussain’s coreflooding with fines transport modeling.
Fig. 9. Relative permeability curve used for matching Hussain’s coreflooding with fines transport modeling. Fig. 8. Experimental and calculated pressure drops for Hussain’s coreflooding with fines transport modeling.
Previous studies reported that LSW can cause formation damage by Fig. 10. 3D Porosity and permeability distributions.
Previous studies reported that LSW can cause formation damage by Fig. 10. 3D Porosity and permeability distributions.
Reservoir and Injected Water Salinity Molalities. Table 4
Reservoir and Injected Water Salinity Molalities. Table 4
Oil Property used in Reservoir Simulation.
Oil Property used in Reservoir Simulation.
Fig. 12. LSW vs. HSW at field scale. mobilizing and plugging fines in porous media; however, LSW can also be used for mobility control in heterogeneous reservoirs [12,15,17,43,22,25,27,29,38,44,52,49]. Nguyen et al. [33] indicated that fines mobilization with a permeability decline by LSW help to enhance gas recovery during reservoir depletion. Dang et al. [19]
Fig. 12. LSW vs. HSW at field scale. mobilizing and plugging fines in porous media; however, LSW can also be used for mobility control in heterogeneous reservoirs [12,15,17,43,22,25,27,29,38,44,52,49]. Nguyen et al. [33] indicated that fines mobilization with a permeability decline by LSW help to enhance gas recovery during reservoir depletion. Dang et al. [19]
Fig. 11. 3D reservoir model with Well Pattern.
Fig. 11. 3D reservoir model with Well Pattern.
Fig. 13. Role of fines transport in LSW at the field scale. Fig. 14. LSW + COz flooding vs. HSW + COz flooding at field scale.
Fig. 13. Role of fines transport in LSW at the field scale. Fig. 14. LSW + COz flooding vs. HSW + COz flooding at field scale.
Fig. 16. Facies distribution in a channeling model (yellow - channels; grey — background). (For interpretation of the references to colour in this figure le- gend, the reader is referred to the web version of this article.) Fig. 15. Oil saturation maps after LSW + CO, flooding vs. HSW + COz flooding at the field scale.
Fig. 16. Facies distribution in a channeling model (yellow - channels; grey — background). (For interpretation of the references to colour in this figure le- gend, the reader is referred to the web version of this article.) Fig. 15. Oil saturation maps after LSW + CO, flooding vs. HSW + COz flooding at the field scale.
Fig. 17. Permeability distribution in the channeling model.
Fig. 17. Permeability distribution in the channeling model.
Fig. 18. Recovery factor of LSW + COz flooding vs. HSW + COz in channel reservoir.
Fig. 18. Recovery factor of LSW + COz flooding vs. HSW + COz in channel reservoir.
Fig. 20. Oil saturation maps after LSW + CO, flooding vs. HSW + CO, in channel reservoir.
Fig. 20. Oil saturation maps after LSW + CO, flooding vs. HSW + CO, in channel reservoir.
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