Secondary recovery of oil and polymers useful for this

Details Secondary recovery of oil and polymers useful for this Secondary recovery of oil and polymers useful for this

1974-12-03

1978-05-09

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, 260 72R, E21B 4322, C08G 1206

Patent

active

040885844

ABSTRACT:
Water soluble polymers suitable for use in water flooding during the secondary recovery of oil are described. They are made by a process comprising reacting high molecular weight polyacrylamide with formaldehyde. Processes of water flooding using the polymers are also described.

REFERENCES:
patent: 3039529 (1962-06-01), McKennon
patent: 3085063 (1963-04-01), Turbak
patent: 3214420 (1965-10-01), Hunt et al.
patent: 3747676 (1973-07-01), Norton et al.

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