Method of treating well formations employing foamed treatment fl

Details Method of treating well formations employing foamed treatment fl Method of treating well formations employing foamed treatment fl

1982-06-21

1984-03-13

Suchfield, George A.

Wells

Processes

Placing fluid into the formation

166305R, 166308, E21B 43267, E21B 4327

Patent

active

044361564

ABSTRACT:
A method for placing a foamed treating fluid in the upper portion of a fracture comprising the steps of: (i) introducing a foamed preflush fluid into the fracture; (ii) introducing an inert gas into the fracture to form a flow channel over the foamed preflush fluid located therein and (iii) introducing a foamed treatment fluid into the fracture whereby said treatment fluid is caused to flow through the flow channel over the foamed preflush fluid and enter the upper portion of the fracture.

REFERENCES:
patent: Re30484 (1981-01-01), Broaddus et al.
patent: 2859821 (1958-11-01), Trott
patent: 3167124 (1965-01-01), Graham
patent: 3642068 (1972-02-01), Fitch et al.
patent: 3937283 (1976-02-01), Blauer et al.
patent: 4044833 (1977-08-01), Volz
patent: 4078609 (1978-03-01), Pavlich
patent: 4156464 (1979-05-01), Hussin
patent: 4237975 (1980-12-01), Scherubel
Grundmann et al., "Foam Stimulation", Journal of Petroleum Technology, Mar. 1983, pp. 597-602.

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