Method of treating tubulars with a plurality of ablating gelatin

Details Method of treating tubulars with a plurality of ablating gelatin Method of treating tubulars with a plurality of ablating gelatin

1992-05-01

1994-03-29

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427130, 427139, B05D 512

Patent

active

052982815

ABSTRACT:
A method for treating tubulars wherein a plurality of ablating, gelatin pigs are sequentially passed through the tubular to deposit a relatively thin film or protective layer of gelatin onto the wall of the tubular. All of the plurality of pigs are inserted into the tubular at a single insertion point but each pig substantially treats only its respective portion or length of the tubular. That is, a first pig deposits a gelatin layer on the wall of a first portion or length of the tubular, a second pig deposits a layer on a second portion or length of the tubular, and so forth.

REFERENCES:
patent: 3863717 (1975-02-01), Cooper

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