Scale removal

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component

Reexamination Certificate

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Details

C507S203000, C507S927000, C166S312000

Reexamination Certificate

active

06924253

ABSTRACT:
A method for treating a wellbore (or well casing) and the contiguous wellbore area to remove scale (mineral deposits comprised of, e.g., BaSO4, CaCO3, etc.) in the context of hydrocarbon recovery and other applications is disclosed, said method including contacting the scale with a fluid comprised of an ionic liquid or liquids.

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