Polymer Viscosifier Surfactancy Ionic Strength Enhancer CMC XXX 0 0 ALG XX 0 XXX EUD 0 XXX XXX AG 0 XX 0 CNG 0 0 0 XXX=Intense; XX=Moderate; 0=Negligible

Table 2: Classification of the tested polymers according to the resulting properties inherent to the obtained solutions by considering the effect of the variable concentration.