... wells during the development phase. irreducible water saturation porosity Saturation Calculation capillary pressure log analysis calculation contact angle saturation reservoir well logging initial water saturation calculation water saturation calculation estimation conversion...

... foam shows a higher stability, although crude oil tends to form stable emulsions in water in presence of nano-ash. enhanced recovery Foaminess contact angle surfactant foam Upstream Oil & Gas nano-ash particle suspension saturation interface chemical flooding methods concentration...