Aqueous crosslinked gelled pigs for cleaning pipelines

Details Aqueous crosslinked gelled pigs for cleaning pipelines Aqueous crosslinked gelled pigs for cleaning pipelines

1984-03-19

1985-09-24

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

1510406R, 134 2211, 134 2214, 134 26, 137 15, 252 855B, B08B 904

Patent

active

045431310

ABSTRACT:
Pipeline interiors are cleaned by passing a gelled pig containing an aqueous, cross-linked gelled galactomannan gum, or derivative thereof, through the pipeline. Additives can be included in the gelled pig to enhance stability, cleaning ability, etc. The gelled pigs are particularly effective when used in pig trains containing one or more chemical pig segments in the train.

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patent: 4216026 (1980-08-01), Scott
patent: 4254559 (1981-03-01), Purinton

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