This is despite the extra cost associated with injecting {HEAD ~ large quantities} of {TAIL ~ fresh water} instead of brine 
of
This is despite the extra cost associated with injecting { HEAD ~ large quantities } of { TAIL ~ fresh water } instead of brine
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH