Wells – Valves – closures or changeable restrictors
Patent
1974-11-15
1976-09-14
Leppink, James A.
Wells
Valves, closures or changeable restrictors
166 75R, E21B 4300
Patent
active
039801381
ABSTRACT:
A recovery device for extracting liquids and vapors from subterranean strata and including a source of fluid, top and bottom conduits joined together at an angle to one another, and an inner discharge conduit disposed in the top conduit and connected to said fluid source to provide a stream of high speed fluid near the joinder of said top and bottom conduits to produce a strong suction force in the bottom conduit.
REFERENCES:
patent: 41158 (1864-01-01), Lansdell
patent: 1105985 (1914-08-01), McClymont
patent: 1484345 (1924-02-01), Stoelting
patent: 2275947 (1942-03-01), Courtney
patent: 2310265 (1943-02-01), Sweeny
patent: 2657641 (1953-11-01), Lung
Leppink James A.
Pingel G. Brian
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