Patent ID: 7891960

Claim:
A well for utilizing a reciprocating pump for efficiently pumping both gas and liquids, comprising: well casing; an outer barrel secured to an inside of said casing, said outer barrel defining a central orifice/gas port on an upper end; an inner barrel received within said outer barrel, said inner barrel further defining a chamber having an upper surface and a lower surface; a tubing string extending into said casing and passing through said central orifice/gas port defined by said outer barrel; a sliding seal affixed to an exterior of said tubing string for engagement with said central orifice/gas port defined by said outer barrel; a one way liquid valve in said tubing string; wherein said upper surface of said chamber defines an output gas port; wherein said lower surface of said chamber defines an intake port selectively closed by an intake port one way valve; and wherein liquids are produced to a ground surface entirely through said tubing string while gas is produced through an annulus that surrounds said tubing string.