Delayed rigid foam systems and applications in particular for se

Details Delayed rigid foam systems and applications in particular for se Delayed rigid foam systems and applications in particular for se

1990-01-26

1992-04-14

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166292, 166300, 166309, 405263, 405264, E21B 33138

Patent

active

051039109

ABSTRACT:
The invention comprises a selective plugging treatment with good penetration for acid diversion or water control. The fluid comprises a foamed delayed gelation system.

REFERENCES:
patent: 3603399 (1971-09-01), Reed
patent: 3614985 (1971-10-01), Richardson
patent: 4665986 (1987-05-01), Sandiford
patent: 4673038 (1987-06-01), Sandiford et al.
patent: 4676318 (1987-06-01), Myers et al.
patent: 4799550 (1989-01-01), Harris et al.
patent: 4848465 (1989-07-01), Hazlett

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