METHOD OF TREATING CLAY-CONTAINING OIL FORMATION RESERVOIRS Russian patent published in 2001 - IPC

Abstract RU 2165014 C1

FIELD: oil and gas production. SUBSTANCE: method involves injecting into formation solution of peroxide compound supplemented by inorganic salts, chemical interaction pause, removal of reaction products, injecting acid system containing phosphoric and hydrofluoric acids, and forcing it into formation by crude oil. EFFECT: increased productivity or production wells and restored and increased filtration capacity of formation. 2 cl, 2 tbl

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RU 2 165 014 C1

Authors

Starkova N.R.

Sharifullin F.A.

Brilliant L.S.

Gordeev A.O.

Kurakin V.I.

Dates

2001-04-10—Published

1999-09-01—Filed