Earth boring – well treating – and oil field chemistry – Well treating – Contains enzyme or living micro-organism
Patent
1994-05-27
1996-12-03
Gibson, Sharon
Earth boring, well treating, and oil field chemistry
Well treating
Contains enzyme or living micro-organism
507219, 507221, 507232, 507921, 42840224, C08L 2510, E21B 4326
Patent
active
055808441
ABSTRACT:
According to the present invention, there is provided a coated breaker chemical in which the coating comprises a blend of a neutralized sulfonated ionomer and asphalt. Preferably, the coating contains from about 1 to 20 wt. % asphalt and from 99 to 80 wt. % of the neutralized sulfonated ionomer. In a particularly preferred embodiment of the present invention, the coating contains about 7 wt. % asphalt and about 93 wt. % of the neutralized sulfonated ionomer.
REFERENCES:
patent: 4514308 (1985-04-01), Clampitt et al.
patent: 5110486 (1992-05-01), Manalastas et al.
Gorbaty Marty L.
Peiffer Dennis G.
Swarup Vijay
Dvorak Joseph J.
Exxon Research and Engineering Company
Gibson Sharon
Scalzo Catherine K.
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