Method and composition for inhibiting corrosion in high temperat

Details Method and composition for inhibiting corrosion in high temperat Method and composition for inhibiting corrosion in high temperat

1979-05-29

1982-09-21

Guynn, Herbert B.

Compositions

Leather or fur treating

166244C, 252391, E21B 4102

Patent

active

043506003

ABSTRACT:
A relatively nonvolatile, high molecular weight corrosion inhibitor and inhibitor carrier produced by activating a dialkyl disulfide oil by the addition of a relatively high molecular weight aliphatic amine (e.g., a fatty amine, particularly the N-alkyl-1,3-propane diamines) and optionally further increasing the molecular weight by the addition of elemental sulfur, which exhibits corrosion inhibition on its own and in combination with a conventional oil base corrosion inhibitor additive. Such a composition is particularly useful in sustaining a liquid film forming phase at bottomhole conditions for high temperature, high pressure gas wells wherein essentially no petroleum condensate phase exists.

REFERENCES:
patent: 2598213 (1952-05-01), Blair
patent: 3314999 (1967-04-01), Bapseres et al.
patent: 3623979 (1971-11-01), Maddox et al.
patent: 3687847 (1972-08-01), Maddox et al.
patent: 3846311 (1974-11-01), Sharp et al.
Brown et al., Article in The Oil and Gas Journal, vol. 57, No. 44, Oct. 26, 1959, pp. 73-78.
Tuttle et al., "Deep Wells-A Corrosion Inhibiting Challenge", Paper No. 94, presented at the International Corrosion Forum, Apr. 14-18, 1975, held at Toronto, Ontario.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third _Ed., vol. 2, pp. 283-295.

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