High temperature cement mud spacer

Details High temperature cement mud spacer High temperature cement mud spacer

1979-05-29

1981-06-30

Guynn, Herbert B.

Compositions

Leather or fur treating

166291, E21B 3316

Patent

active

042761824

ABSTRACT:
A spacer composition for use in borehole cementing operations is disclosed which has excellent high temperature stability and compatability with cement slurries and drilling fluids. The spacer composition comprises a single phase water base system containing stabilized attapulgite clay.

REFERENCES:
patent: 2044758 (1936-06-01), Cross et al.
patent: 2073413 (1937-03-01), Cross et al.
patent: 2636857 (1953-04-01), Bergman
patent: 3185642 (1965-05-01), Sawyer et al.
patent: 4141843 (1979-02-01), Watson

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