Method for inhibiting or retarding hydrate formation, growth and

Details Method for inhibiting or retarding hydrate formation, growth and Method for inhibiting or retarding hydrate formation, growth and

1997-02-06

1998-08-04

Wood, Elizabeth D.

Chemistry of hydrocarbon compounds

Hydrate or production thereof

585 5, 585950, 137 3, 137 15, 166310, 166371, 95153, 208 48AA, C07C 720, C10G 916

Patent

active

057896356

ABSTRACT:
The invention concerns a process for inhibiting or retarding hydrate formation, growth and/or agglomeration in a fluid comprising water and gases, by addition of a hydrosoluble copolymer which does not contain a heterocycle but contains at least one sulphonate group.
The copolymer is generally introduced at a concentration of 0.05% to 5% by weight with respect to the quantity of water in the medium.
The copolymer can also be mixed with an alcohol (monoalcohol or polyol). In this case, the proportions are generally 0.5% to 20% by weight of alcohol with respect to the water content, for 0.05% to 3% by weight of copolymer with respect to the quantity of water content of the medium.

REFERENCES:
patent: 5639925 (1997-06-01), Sloan, Jr. et al.

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