FOAM FORMING COMPOSITION FOR DEVELOPING WELLS Russian patent published in 1997 - IPC

Abstract RU 2085567 C1

FIELD: oil and gas production. SUBSTANCE: composition contains urea, alkali or alkali- earth metal nitrite, hydrodifluoride (reaction initiator), blowing agent, ammonium chloride, foam dispersant-stabilizer, and water. Composition may be used both in solid and liquid state and be applied for other processes resulting in intensification of oil and gas production. EFFECT: improved performance characteristics. 3 cl, 5 tbl

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RU 2 085 567 C1

Authors

Ivanov V.A.

Pavlychev V.N.

Duborenko N.N.

Dates

1997-07-27—Published

1992-08-06—Filed