An improved plunger lift mechanism comprises an internal hollow body having {TAIL ~ bypass orifices} that, when exposed, allow fluid to pass through during plunger descent in a downhole tube to {HEAD ~ the bottom} of a production well 
An improved plunger lift mechanism comprises an internal hollow body having { TAIL ~ bypass orifices } that , when exposed , allow fluid to pass through during plunger descent in a downhole tube to { HEAD ~ the bottom } of a production well
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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