An oil/water emulsion, such as oil well production, is treated to recover its oil phase at pipe line specifications by passing {HEAD ~ the emulsion} through an emulsion treater tank to {TAIL ~ an oil recovery zone} in the tank 
to
An oil / water emulsion , such as oil well production , is treated to recover its oil phase at pipe line specifications by passing { HEAD ~ the emulsion } through an emulsion treater tank to { TAIL ~ an oil recovery zone } in the tank
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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH