The disclosed invention is {HEAD ~ 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 {TAIL ~ a lignosulfonate} and about 0.01% to about 5% by weight of a polyalkylene glycol 
The disclosed invention is { HEAD ~ 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 { TAIL ~ a lignosulfonate } and about 0.01 % to about 5 % by weight of a polyalkylene glycol
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH