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2 173 772

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IPC

(21) (22)

Application

99108899/03, 1999-04-21

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Start date

1999-04-21

(22)

Actual filing date

1999-04-21

(45)

Published

2001-09-20

(72)

Inventor

Magadova L.A.Magadov R.S.Djabin A.G.Silin M.A.Marinenko V.N.Beljaeva A.D.Chekalina Gul'ChekhraMaksimova S.V.Poddubnyj Ju.A.Sorkin A.Ja.Kan V.A.Gaevoj E.G.Rud' M.I.

(73)

Holder

Magadova Ljubov' AbdulaevnaMagadov Rashid SajpuevichDjabin Aleksandr Gennad'EvichSilin Mikhail Aleksandrovich

POLYSACCHARIDE GEL COMPOSITION FOR HYDRAULIC FORMATION BREAKDOWN Russian patent published in 2001 - IPC

Abstract RU 2173772 C2

FIELD: oil and gas production. SUBSTANCE: invention relates to compositions for hydraulic breakdown of formations, killing and conservation of wells, to drilling mud compositions, fluids for perforation and gravel package that can also be used for limiting water inflow into oil and gas wells. Composition, containing fresh or mineralized water, polysaccharide thickener, boric cross-linking agent, diethanolamine, and oxidant component taken from group consisting of ammonium persulfate and alkali metal persulfates, percarbonates, and perborates, contains additionally a quaternary ammonium compound: Catamine AB or waterproofing agent: Neftenol GF in amounts between 0.05 kg and 1 kg per 1000 l water (gel base). EFFECT: extended range of controlled polysaccharide gel destruction of within formation temperature range between 10 C and 950 C. 8 tbl, 4 ex

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RU 2 173 772 C2

Authors

Magadova L.A.

Magadov R.S.

Djabin A.G.

Silin M.A.

Marinenko V.N.

Beljaeva A.D.

Chekalina Gul'Chekhra

Maksimova S.V.

Poddubnyj Ju.A.

Sorkin A.Ja.

Kan V.A.

Gaevoj E.G.

Rud' M.I.

Dates

2001-09-20—Published

1999-04-21—Filed