Pumps – One fluid pumped by contact or entrainment with another – Jet
Patent
1979-12-10
1981-10-27
Croyle, Carlton R.
Pumps
One fluid pumped by contact or entrainment with another
Jet
417197, F04F 546
Patent
active
042970849
ABSTRACT:
A gas anchor for an oil and gas producing well; the gas anchor includes an elongate fluid gas conducting coupling with upper and lower ends; the upper end of the coupling is engaged in the lower end of a production tubing entering the well; an elongate vertical pipe is arranged in the well below the coupling; the pipe has a closed lower end, a perforated upper end portion and has an upper end engaged with the coupling; the coupling has a central vertical oil conducting passage; an elongate, vertical oil conducting stinger is arranged centrally in the pipe and has a lower end opening at the lower end portion of the pipe and an upper end communicating with the oil conducting passage; the coupling next includes a plurality of circumferentially spaced upwardly and radially inwardly inclined gas nozzle openings with lower end communicating with the interior of the pipe above the perforations and directing gas jets upwardly and inwardly to converge above the oil conducting openings whereby gas flowing up through the coupling lifts and aspirates oil collected in the bottom of the pipe and urges it up through the tubing.
REFERENCES:
patent: 134397 (1872-12-01), Reed
patent: 3551074 (1970-12-01), Stout
patent: 3784325 (1974-01-01), Coanda et al.
patent: 4090815 (1978-05-01), Teodoresgu et al.
Croyle Carlton R.
Look Edward
Maxwell Georges A.
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