Relative Permeability Modification in Gas Wells with Excessive Water Production- An Experimental Investigation
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Polymers have been used as relative permeability modifiers (RPM) to selectively reduce water production with minimum effect on the hydrocarbon phase. The experimental results show that initial rock permeability can be used as an important screening parameter in planning an RPM treatment. The relative pore size alteration due to the RPM treatment impacts on RPM performance. The RPM performance is also significantly fluid flow rate dependent. Therefore, flow rate should be considered during RPM design.