Aqueous chemical wash compositions

Details Aqueous chemical wash compositions Aqueous chemical wash compositions

1984-03-01

1987-07-21

Schofer, Joseph L.

Wells

Processes

Cleaning or unloading well

166291, 252 8552, 252 8551, 252DIG1, 252DIG7, 524379, E21B 3305, C09K 702

Patent

active

046811656

ABSTRACT:
Aqueous chemical washes suitable for use in conjunction with well cementing operations are disclosed which comprise water, an anionic or a non-ionic surfactant (or a combination thereof) and a fluid loss control agent of the type described in U.S. Pat. No. 3,891,566.

REFERENCES:
patent: 2978026 (1961-04-01), Bemis
patent: 3215200 (1965-11-01), Kirkpatrick et al.
patent: 3891566 (1975-06-01), Crowe
patent: 4207194 (1980-06-01), Sharpe et al.
patent: 4371444 (1983-02-01), McCoy et al.
"Hackh's Chemical Dictionary", J. Grant (ed), McGraw-Hill, Inc. (1969), p. 650.

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