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