Downhole hydraulic ram

Details Downhole hydraulic ram Downhole hydraulic ram

2006-04-04

2006-04-04

Tsay, Frank S. (Department: 3672)

Wells

With below and above ground modification

Eduction pump or plunger in well

C166S054100, C166S069000, C417S120000

Reexamination Certificate

active

07021373

ABSTRACT:
A system and method for pumping water from a wellbore to a surface location using an improved motorless water pump. The improved motorless water pump is a downhole hydraulic ram pump powered by the renewable energy source, groundwater. As water falls down a wellbore from an upper strata to a lower strata, the conversion of the water's momentum to energy is used to compress air captured in the ram's pressure chamber. The compressed air contained in the pressure chamber pushes down on the water captured in the pressure chamber causing the water to exit the pressure chamber through an outlet and into tubing. The water in the tubing is responsive to the pressure in the chamber rising to the surface.

REFERENCES:
patent: 1859394 (1932-05-01), Holladay
patent: 2887956 (1959-05-01), Kunkel
patent: 6224344 (2001-05-01), Hasbrouck
patent: 6234764 (2001-05-01), Obermoser
patent: 2336183 (1999-10-01), None

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