Gelled corrosion inhibition method

Details Gelled corrosion inhibition method Gelled corrosion inhibition method

1992-08-27

1994-01-04

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

25238962, 252392, 252396, 422 8, 166902, C23F 1118

Patent

active

052757609

ABSTRACT:
A method of corrosion inhibition using a gelled inhibitor is disclosed. The method comprises consecutively introducing into an annular region of a jacketed pipeline a hydrogel slurried in an environmentally innocuous oil medium and a corrosion inhibitor dissolved in an aqueous medium. The liquid media are contacted to form a gelled corrosion inhibitor in the annulus. The method is particularly useful in buried pipelines where corrosion monitoring is difficult.

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