System and method for converting wellhead gas to liquefied petro

Details System and method for converting wellhead gas to liquefied petro System and method for converting wellhead gas to liquefied petro

1982-04-19

1983-12-06

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 20, 62 21, 62 26, 62 30, 62 37, 62 40, 62 41, F25J 300, F25J 500

Patent

active

044191146

ABSTRACT:
A method of converting natural wellhead gas to liquefied petroleum gases (LPG) may comprise the steps of: separating natural gas from petroleum fluids exiting a well-head; compressing the natural gas; refrigerating the natural gas, liquefying at least a portion thereof; and separating LPG from gas vapors of the refrigerated natural gas. A system for performing the method may comprise: a two-stage gas compressor connected to the wellhead; a refrigeration unit downstream of the gas compressor for cooling the compressed gases therefrom; and a product separator downstream of the refrigeration unit for receiving cooled and compressed gases discharged from the refrigeration unit and separating LPG therein from gases remaining in vapor form.

REFERENCES:
patent: 2198098 (1940-04-01), Vaughan
patent: 2217749 (1940-10-01), Hewitt
patent: 2814936 (1957-12-01), Morrison
patent: 2896414 (1959-07-01), Tung
patent: 2900796 (1959-08-01), Morrison
patent: 3791157 (1974-02-01), Tracy et al.

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