COMPOSITION FOR ELIMINATION OF HYDRATE PLUGS Russian patent published in 2020 - IPC E21B37/06 C09K8/52

Abstract RU 2717860 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry, particularly to well treatment compositions, specifically to a composition for eliminating hydrate plugs used in wells and pipelines during production, as well as transportation of oil and gas. Composition for eliminating hydrated plugs contains a divalent metal halogenide selected from a group comprising zinc chloride, zinc bromide and magnesium chloride, a polyatomic alcohol selected from a group comprising ethylene glycol and glycerol, betaine and water, with the following ratio of components, wt%: halogenide of divalent metal 25.0–75.0; polyatomic alcohol 2.0–5.5; betaine 0.5–5.5; water – balance.

EFFECT: increased efficiency of hydrate plugs elimination, simplified preparation of the composition, reduced toxicity.

3 cl, 1 tbl

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RU 2 717 860 C1

Authors

Tereshchenko Aleksandr Vladimirovich

Bolotov Vitalij Sergeevich

Dates

2020-03-26—Published

2019-10-22—Filed