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Application

97117587/03, 1997-11-03

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Actual filing date

1997-11-03

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Published

1999-07-27

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Inventor

Takhautdinov Sh.F.Zherebtsov E.P.Khisamutdinov N.I.Telin A.G.Ibragimov G.Z.Zajnetdinov T.I.Skorokhod A.G.Ismagilov T.A.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD FOR TREATING OIL BED Russian patent published in 1999 - IPC

Abstract RU 2133824 C1

FIELD: oil production industry. SUBSTANCE: method is intended for treating oil beds with purpose of isolating water-washed high-permeable intervals. According to method, successively injected into oil bed is water solution of salt. Used in function of water solution of salt is mineralized water fringe. Also injected is water clayey system. Used in function of water clayey system is clayey dispersive system which contains clay in approximate amount of 3 mass%, and 60% vat still residue from production of synthetic glycerine or ethylene glycol which is produced by hydration of ethylene oxide, polyglycol is the balance. Injected additionally after clayey system is fringe of reagent which intensifies swelling of clay relative to its swelling in clayey dispersive system in volume which is 15-30 times larger than volume of fringe of clayey dispersive system. Application of aforesaid method makes oil bed treatment more favorable. EFFECT: higher efficiency. 1 tbl, 1 ex

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RU 2 133 824 C1

Authors

Takhautdinov Sh.F.

Zherebtsov E.P.

Khisamutdinov N.I.

Telin A.G.

Ibragimov G.Z.

Zajnetdinov T.I.

Skorokhod A.G.

Ismagilov T.A.

Dates

1999-07-27—Published

1997-11-03—Filed

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