Method and apparatus for establishing multi-stage gas separation

Metal working – Method of mechanical manufacture – Gas and water specific plumbing component making

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294011, 417244, B21D 5300

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active

049014137

ABSTRACT:
A method for constructing a multiple-stage gas separator assembly for downhole use upstream of a hydrocarbon producing submersible pump system is disclosed which has steps for forming a first-stage gas separator from a first conventional single-stage gas separator, connecting a coupling assembly to the first-stage gas separator at its downstream end, forming a second-stage gas separator from a second conventional single-stage gas separator by removing all lower flanges upstream of its fluid inlet, connecting the upstream end of the second-stage gas separator to the coupling assembly, and establishing a flow path from the first-stage liquid outlet to the second-stage inlet through the coupling assembly. A coupling assembly for joining first and second single-stage gas separators into a multiple-stage gas separator is also disclosed in which the coupling assembly has means for attaching to the downstream end of a first-stage gas separator, and a coupling housing defining a flow path between the liquid outlet of the first-stage gas separator and the fluid inlet of the second-stage gas separator. In an alternate embodiment, an adaptor is disclosed for inclusion into the coupling assembly which provides flow paths and a bushing for the second-stage gas separator formed from an alternate commercially available single-stage gas separator configuration.

REFERENCES:
patent: 1639734 (1927-08-01), Jones
patent: 2969742 (1961-10-01), Arutunoff
patent: 3887342 (1975-06-01), Bunnelle
patent: 4067665 (1978-01-01), Schwartzman
patent: 4088459 (1978-05-01), Tuzson
patent: 4354554 (1982-10-01), Calhoun et al.
patent: 4360320 (1982-11-01), Owen
patent: 4632184 (1986-12-01), Renfroe, Jr. et al.
Centrilift-Hughes Promotional Literature, 1985.
Pump Manufacturer's Drawing of a Single-Stage Gas Separator.
Pump Manufacturer'Drawing of a Single-Stage Reverse Flow Gas Separator.
Centrilift-Hughes Drawing of a Two-Stage Rotary Gas Separator.

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