OIL DEPOSIT DEVELOPMENT METHOD

FIELD: oil industry, particularly for developing water-bearing non-uniform oil reservoir. ^ SUBSTANCE: method involves injecting aqueous solution containing dibasic ammonium phosphate; pumping lactoserum; additionally injecting aqueous solution of cellulose-containing material; extracting oil throug...

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Bibliographische Detailangaben
Hauptverfasser:	MATVEEV S.E, PETUKHOVA E.V, GAREJSHINA A.Z, LEBEDEV N.A, NAZAROV A.JU, KUZNETSOVA T.A, KHAZANOV I.V, AKHMETSHINA S.M
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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Beschreibung
Zusammenfassung:	FIELD: oil industry, particularly for developing water-bearing non-uniform oil reservoir. ^ SUBSTANCE: method involves injecting aqueous solution containing dibasic ammonium phosphate; pumping lactoserum; additionally injecting aqueous solution of cellulose-containing material; extracting oil through production well. Aqueous solutions of dibasic ammonium phosphate and cellulose-containing material are injected separately or simultaneously in cyclic operation, then lactoserum is injected and technological time-delay is performed. ^ EFFECT: increased oil recovery due to usage cheap ecologically-friendly reagents by applying combined action on oil reservoir having non-uniform permeability. ^ 4 ex, 1 tbl