Microemulsions for use as spaces in well cementation

Details Microemulsions for use as spaces in well cementation Microemulsions for use as spaces in well cementation

1978-09-07

1980-09-23

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

E21B 3316

Patent

active

042237327

ABSTRACT:
New application of microemulsions as buffers between the slurry and the cement in the cementation of oil wells. The microemulsions contain an amphoteric surfactant selected from the group of alkyl dimethyl betaines.

REFERENCES:
patent: 2796131 (1957-06-01), Hinchliffe et al.
patent: 3175611 (1965-03-01), Hower
patent: 3625286 (1971-12-01), Parker
patent: 3799874 (1974-03-01), Parker
patent: 3849316 (1974-11-01), Motley et al.
patent: 3850248 (1974-11-01), Carney
patent: 4108779 (1978-08-01), Carney
patent: 4141843 (1979-02-01), Watson

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