Well fluid comprising a fluorinated liquid phase

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

Reexamination Certificate

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C507S203000, C507S208000, C166S305100

Reexamination Certificate

active

07858564

ABSTRACT:
A well drilling, completion or workover fluid has a continuous phase of the fluid essentially consists of a liquid fluorinated compound. In a variant, the liquid fluorinated compound is a perfluorinated compound.

REFERENCES:
patent: 2898294 (1959-08-01), Priest et al.
patent: 4900456 (1990-02-01), Ogilvy
patent: 4990283 (1991-02-01), Visca et al.

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