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2 291 890

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C1

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IPC

C09K8/76(2006-01-01)

(21) (22)

Application

2005113479/03, 2005-04-28

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Start date

2005-04-28

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Actual filing date

2005-04-28

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Published

2007-01-20

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Inventor

Mukhametshin Musavir MunavirovichKhasanov Faat FatkhlbajanovichShuvalov Anatolij Vasil'EvichEmaletdinova Ljudmila DmitrievnaKamaletdinova Rezeda MinnisajrinovnaJagafarov Julaj NurgaleevichZhadaev Jurij Vasil'EvichGalljamov Il'Jas Il'DusovichKhalikov Il'Jas Shajkhanurovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja Kompanija

FORMATION PERMEABILITY CONTROLLING GELLING FORMULATION Russian patent published in 2007 - IPC C09K8/76 

Abstract RU 2291890 C1

FIELD: oil and gas production.

SUBSTANCE: invention relates to formulations for water shutoff operations and can be used to control filtration flows in oil formations, to limit water inflows in oil and gas wells, to eliminate annulus water and gas blowouts, to cut off isolated watered formation intervals, and to level absorption profiles in injection wells. Formation permeability controlling gelling formulation including hydrochloric acid, zeolite-containing additive, and water, contains, more specifically, 22% HCl (40-50%) and, as zeolite-containing additive, liquid waste (mother liquor) from zeolite NaY production (40-50%).

EFFECT: enhanced efficiency of formulation.

2 tbl, 3 ex

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RU 2 291 890 C1

Authors

Mukhametshin Musavir Munavirovich

Khasanov Faat Fatkhlbajanovich

Shuvalov Anatolij Vasil'Evich

Emaletdinova Ljudmila Dmitrievna

Kamaletdinova Rezeda Minnisajrinovna

Jagafarov Julaj Nurgaleevich

Zhadaev Jurij Vasil'Evich

Galljamov Il'Jas Il'Dusovich

Khalikov Il'Jas Shajkhanurovich

Dates

2007-01-20—Published

2005-04-28—Filed

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