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