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2 426 866

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(51)

IPC

E21B33/138(2006-01-01)

(21) (22)

Application

2010100997/03, 2010-01-14

(24)

Start date

2010-01-14

(22)

Actual filing date

2010-01-14

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Published

2011-08-20

(72)

Inventor

Kotel'Nikov Viktor AleksandrovichMejntser Valerij OttovichZavolzhskij Viktor BorisovichIdijatullin Al'Bert RaisovichSerkin Jurij Grigor'EvichPavlova Ljubov' IvanovnaPlatov Anatolij IvanovichBurko Vladimir AntonovichAbdul'Manov Gamil' Shamil'Evich

(73)

Holder

POLYMER BACKFILLING COMPOSITION FOR ISOLATION OF WATER INFLUX IN LOW TEMPERATURE OIL AND GAS WELLS Russian patent published in 2011 - IPC E21B33/138

Abstract RU 2426866 C1

FIELD: oil and gas production.

SUBSTANCE: composition contains carbamide-formaldehyde resin, acid hardener and filler. As hardener there is used resorcin and ferro-chrome-lignosulphonate, and as filler there is used carbon white CW-120 or talk, or rubber powder, or chalk at the following ratio of components, in weight shares: carbamide-formaldehyde resin 100; resorcin 7-15, ferro-chrome-lignosulphonate - FCLS-M 1.5-25, filler 3-8.

EFFECT: reduced water loss of backfilling solution and increased strength and adhesion characteristics of cured composition.

2 cl, 1 tbl, 20 ex

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RU 2 426 866 C1

Authors

Kotel'Nikov Viktor Aleksandrovich

Mejntser Valerij Ottovich

Zavolzhskij Viktor Borisovich

Idijatullin Al'Bert Raisovich

Serkin Jurij Grigor'Evich

Pavlova Ljubov' Ivanovna

Platov Anatolij Ivanovich

Burko Vladimir Antonovich

Abdul'Manov Gamil' Shamil'Evich

Dates

2011-08-20—Published

2010-01-14—Filed