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