Oil field pig launcher and receiver

Details Oil field pig launcher and receiver Oil field pig launcher and receiver

1976-09-28

1978-02-14

Cohan, Alan

Fluid handling

Processes

Cleaning, repairing, or assembling

137268, 1510406A, B08B 904

Patent

active

040733033

ABSTRACT:
A pig valve for use with a pigging system of a pipeline has a body insertable into the pipeline and provided with a hollow interior which forms a straight passage through the body. Rotatably disposed surrounding the body is a sleeve having associated therewith an access arrangement for permitting a pig to be transferred between the passage and outside of the passage for launching and receiving the pig. Whether the valve is used as a launcher or receiver depends only on the orientation of the valve relative to the associated pipeline, and on provision of a deflecting grate in the valve employed as a receiver. The sleeve is arranged for rotating about the longitudinal axis of the straight flow passage of the valve body so as not to interfere with fluid flow through the pipeline.

REFERENCES:
patent: 3039463 (1962-06-01), Dickey
patent: 3135293 (1964-06-01), Hulsey
patent: 3177513 (1965-04-01), Ellett
patent: 3759284 (1973-09-01), Crowley
patent: 3983594 (1976-10-01), Simmelli

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