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2 109 790

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IPC

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Application

95111860/03, 1995-07-11

(22)

Actual filing date

1995-07-11

(45)

Published

1998-04-27

(72)

Inventor

Zejgman Ju.V.Kharin A.Ju.Gumerov O.A.Syrkin A.M.Mavljutov M.R.Rogachev M.K.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij UniversitetNeftegazodobyvajushchee Upravlenie

METHOD OF SECONDARILY OPENING PRODUCTIVE FORMATION Russian patent published in 1998 - IPC

Abstract RU 2109790 C1

FIELD: oil and gas production. SUBSTANCE: invention relates to opening productive formations in cased wells and aims at providing stable oil saturation of formation and stable collector characteristics when reopening formation, providing developing of well and putting it into operating condition, providing safe operation when opening formation at formation pressures above hydrostatic one. The aim is achieved by pumping in hydrocarbon liquid into the well followed by perforation, said liquid being high-molecular alcohols obtained as by-product in glycerol production. EFFECT: increased operation reliability. 1 dwg

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RU 2 109 790 C1

Authors

Zejgman Ju.V.

Kharin A.Ju.

Gumerov O.A.

Syrkin A.M.

Mavljutov M.R.

Rogachev M.K.

Dates

1998-04-27—Published

1995-07-11—Filed

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