Fracturing well formations using foam

Details Fracturing well formations using foam Fracturing well formations using foam

1974-04-05

1976-09-14

Purser, Ernest R.

Wells

Processes

Specific propping feature

166308, E21B 4326

Patent

active

039801365

ABSTRACT:
Foam fracturing fluids and methods for fracturing well formations using foam as the carrier for the propping agent are disclosed. The foams are stiff stable foams formed of a relative large amount of gas and a relative small amount of liquid. The foams are stable at surface pressures and remain stable when delivered into the well formation at the bottom of the well.

REFERENCES:
patent: 3075581 (1963-01-01), Kern
patent: 3100528 (1963-08-01), Plummer et al.
patent: 3108636 (1963-10-01), Peterson
patent: 3136361 (1964-06-01), Marx
patent: 3342261 (1967-09-01), Bond
patent: 3396107 (1968-08-01), Hill
patent: 3486560 (1969-12-01), Hutchison et al.
patent: 3572440 (1971-03-01), Hutchison et al.
patent: 3664422 (1972-05-01), Bullen
patent: 3937283 (1976-02-01), Blauer et al.
"After Frac with Nowsco Nitrogen", Petroleum Engineer, Jan., 1962, p. 149.

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