Role of Permeability and Its Control in Enhanced Oil Recovery (EOR) Processes

Dear Colleagues,

Effective (or relative) permeability to the oil plays a critical role in the success of any EOR process as it is directly relevant to the key EOR objective, which is to increase the oil mobility as defined by the ratio of the oil permeability to its viscosity. Together, they impact the recovery of residual oil saturation to be expected in an EOR process and the optimal displacement pressure regime to be chosen and implemented. Equally noteworthy and interesting is that the permeability can be looked upon as a double-edged sword as both high- and low-permeability reservoirs can offer positive or adverse effects, subject to unique reservoir characteristics; for example, we often try to create a higher permeable situation to reduce capillary resistance; but, in certain situations though, we are compelled to adopt sweep improvement and profile modification strategies to selectively block high-permeable streaks to minimize the volume of the  bypassed oil during a recovery process. We, therefore, welcome manuscripts that address such diverse scenarios and possibilities on the effects of permeabilities.

Prof. Dr. Hemanta Sarma
Guest Editor

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• Permeability
• Relative Permeability
• Fluid Saturation
• Viscosity
• Capillary
• Pressure
• Contact angle
• Interfacial tension