The apparatus of the present invention has a vessel adapted to support a liquid bed and to receive {HEAD ~ the effluent} from {TAIL ~ the well} into the liquid bed 
from
The apparatus of the present invention has a vessel adapted to support a liquid bed and to receive { HEAD ~ the effluent } from { TAIL ~ the well } into the liquid bed
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH