A sacrificial agent solution which is compatible with high molecular weight mobility control polymers for {TAIL ~ enhanced oil recovery}, said solution comprising about 0.1% to about 5% by weight of a lignosulfonate and about 0.01% to about 5% by weight of a polyalkylene glycol having {HEAD ~ a relatively low molecular weight} 
A sacrificial agent solution which is compatible with high molecular weight mobility control polymers for { TAIL ~ enhanced oil recovery } , said solution comprising about 0.1 % to about 5 % by weight of a lignosulfonate and about 0.01 % to about 5 % by weight of a polyalkylene glycol having { HEAD ~ a relatively low molecular weight }
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