METHOD FOR BOTTOMHOLE ZONE OF TERRIGENOUS FORMATION TREATMENT

METHOD FOR BOTTOMHOLE ZONE OF TERRIGENOUS FORMATION TREATMENT

FIELD: production of liquid and gaseous media from wells, particularly to treat oil production and injection well bottom zones. ^ SUBSTANCE: method involves delivering hydrochloric acid solution to well bottom zone by forcing thereof with oil; forming hydrochloric acid solution bath at well head; fo...

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Hauptverfasser: KAMALIEV DAMIR SAGDIEVICH, IBRAGIMOV NAIL' GABDULBARIEVICH, TORIKOVA LJUBOV' IVANOVNA, SHARIKOV GENNADIJ NESTEROVICH, PYKHAREVA IRINA VASIL'EVNA, CHUPIKOVA IZIDA ZANGIROVNA, NIKOLAEV VLADIMIR IVANOVICH, ISAKOV VLADIMIR SERGEEVICH, KORMISHIN EVGENIJ GRIGOR'EVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator KAMALIEV DAMIR SAGDIEVICH
IBRAGIMOV NAIL' GABDULBARIEVICH
TORIKOVA LJUBOV' IVANOVNA
SHARIKOV GENNADIJ NESTEROVICH
PYKHAREVA IRINA VASIL'EVNA
CHUPIKOVA IZIDA ZANGIROVNA
NIKOLAEV VLADIMIR IVANOVICH
ISAKOV VLADIMIR SERGEEVICH
KORMISHIN EVGENIJ GRIGOR'EVICH
description FIELD: production of liquid and gaseous media from wells, particularly to treat oil production and injection well bottom zones. ^ SUBSTANCE: method involves delivering hydrochloric acid solution to well bottom zone by forcing thereof with oil; forming hydrochloric acid solution bath at well head; forcing hydrochloric acid solution into bottom zone; performing swabbing operation via flow string without exercising technological time-delay for acid reaction conduction; delivering hydrofluoric solution to bottom zone, wherein hydrofluoric solution includes mixture of hydrochloric and hydrofluoric acids, as well as surfactant additive; carrying out technological time-delay for 1-2 hours; performing swabbing operation via flow string to reach design well deliverability. ^ EFFECT: increased efficiency of bottomhole zone treatment. ^ 1 ex
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title METHOD FOR BOTTOMHOLE ZONE OF TERRIGENOUS FORMATION TREATMENT
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