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2 463 436

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IPC

E21B33/13(2006-01-01)

C09K8/504(2006-01-01)

(21) (22)

Application

2011110626/03, 2011-03-21

(24)

Start date

2011-03-21

(22)

Actual filing date

2011-03-21

(45)

Published

2012-10-10

(72)

Inventor

Panikarovskij Evgenij ValentinovichPanikarovskij Valentin Vasil'EvichShupletsov Vladimir Arkad'EvichGorlov Ivan VladimirovichKuz'Mich Andrej AleksandrovichPanikarovskij Vasilij ValentinovichBaklanov Vladimir Petrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Neftegazovyj Universitet"

METHOD TO RECOVER TIGHTNESS OF PRODUCTION COLUMN Russian patent published in 2012 - IPC E21B33/13 C09K8/504

Abstract RU 2463436 C1

FIELD: oil-and-gas production.

SUBSTANCE: proposed method consists in arranging 5-10 m-high sand bridging plug in well below production strip defect and above perforation. Then, solution of Portland cement "ПЦТ" 1-50, Microdur RU with water-to-cement ratio of 0.8-0.9 in amount of 0.5-2.0 m³ per 1 m of the bed effective thickness at the following ratio of components: Portland cement "ПЦТ" 1-50 - 26.1-27.5, Microdur RU - 26.0-27.4, sulphacell - 1.0-1.1, water - 44.0-46.9.

EFFECT: higher reliability of insulation in eliminating production string uptightness.

1 tbl

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RU 2 463 436 C1

Authors

Panikarovskij Evgenij Valentinovich

Panikarovskij Valentin Vasil'Evich

Shupletsov Vladimir Arkad'Evich

Gorlov Ivan Vladimirovich

Kuz'Mich Andrej Aleksandrovich

Panikarovskij Vasilij Valentinovich

Baklanov Vladimir Petrovich

Dates

2012-10-10—Published

2011-03-21—Filed