System for removing debris from pipelines

Details System for removing debris from pipelines System for removing debris from pipelines

1981-11-20

1983-11-22

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

1510406R, 134 2211, B08B 904

Patent

active

044167032

ABSTRACT:
To remove particulate debris from a pipeline, a plug train including at least one gel plug having debris entraining characteristics and at least one pseudoplastic plug is passed through a pipeline and the debris is collected by the gel plug. The gel plug is pushed through the pipeline with a scraper which in turn may be pushed by liquid or gas pressure.

REFERENCES:
patent: 2402796 (1946-06-01), Wood
patent: 3108012 (1963-10-01), Curtis
patent: 3209771 (1965-10-01), Gogarty et al.
patent: 3523826 (1970-08-01), Lissant
patent: 3879790 (1975-04-01), Girard
patent: 4003393 (1977-01-01), Jaggard et al.
patent: 4216026 (1980-08-01), Scott
patent: 4254559 (1981-03-01), Purinton

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