{HEAD ~ The disclosed invention} is {TAIL ~ 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 weight of a polyalkylene glycol 
is
{ HEAD ~ The disclosed invention } is { TAIL ~ 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 weight of a polyalkylene glycol
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH