The disclosed invention is a sacrificial agent solution to be injected in an enhanced oil recovery operation, said solution comprising about 0.1% to about 5% by weight of a lignosulfonate and about 0.01% to about 5% by {HEAD ~ weight} of {TAIL ~ a polyalkylene glycol} 
of
The disclosed invention is a sacrificial agent solution to be injected in an enhanced oil recovery operation , said solution comprising about 0.1 % to about 5 % by weight of a lignosulfonate and about 0.01 % to about 5 % by { HEAD ~ weight } of { TAIL ~ a polyalkylene glycol }
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