METHOD OF REMOVING ASPHALT-RESINOUS AND PARAFFIN-HYDRATE ACCUMULATIONS Russian patent published in 2000 - IPC

Abstract RU 2148152 C1

FIELD: oil-producing industry. SUBSTANCE: methods consists in successive injection into zone of treatment of aqueous dispersion of calcium and water acidified with hydrochloric acid with pH not more 5, and hydrochloric acid-calcium ratio exceeding the stoichiometric value by factor of 1.5-2. EFFECT: higher fire and explosion safety in treatment and higher quality of removing asphalt-resinous and paraffin-hydrate accumulations.

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RU 2 148 152 C1

Authors

Sorokin A.V.

Khavkin A.Ja.

Khisamov R.S.

Dates

2000-04-27Published

1998-01-29Filed