METHOD OF OIL POOL DEVELOPMENT Russian patent published in 2001 - IPC

Abstract RU 2177538 C2

FIELD: oil- and gas-producing industry; methods of development of oil pools with use of waterflooding. SUBSTANCE: novelty of claimed method consists in creation of stable oil bank by successive injection into formation of fringes of oil-soluble solvent, water-soluble solvent, oil, oil-soluble and water-soluble solvents with the following ratio of volumes of fringes of oil-soluble solvent, water-soluble solvent, oil, oil-soluble solvent, water-soluble solvent, respectively: 0.07-0.09; 0.03-0.05; 0.59-0.67; 0.08-0.1; 0.15-0.17. EFFECT: higher oil recovery at late stage of oil pool development with water cutting of well production up to 99%. 2 cl, 2 tbl

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RU 2 177 538 C2

Authors

Jurkiv N.I.

Somov V.F.

Chizhov S.I.

Gorbunov A.T.

Dates

2001-12-27—Published

2000-03-20—Filed