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2 078 905

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C1

(51)

IPC

(21) (22)

Application

93037878/03, 1993-07-23

(22)

Actual filing date

1993-07-23

(45)

Published

1997-05-10

(72)

Inventor

Perejma A.A.Tagirov K.M.Il'Jaev V.I.

(73)

Holder

Severo-Kavkazskij Nauchno-Issledovatel'Skij Institut Prirodnykh Gazov

SAND CARRIER FLUID FOR HYDRAULIC FRACTURING OF FORMATION Russian patent published in 1997 - IPC

Abstract RU 2078905 C1

FIELD: production of oil and gas; applicable in hydraulic fracturing of formation in secondary methods of stimulation of bottom-hole formation zone of producing formations of oil, water and gas wells. SUBSTANCE: sand carrier fluid for hydraulic fracturing of formation is used in form of aqueous dispersion of polyacryl amide exposed to gamma radiation with preferable concentration of 0.4-0.8%. EFFECT: higher sand holding capacity, reduced filtrate loss of dispersion, formation of fractures of the required length, and restoration of initial permeability of formation as full as possible. 1 tbl

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RU 2 078 905 C1

Authors

Perejma A.A.

Tagirov K.M.

Il'Jaev V.I.

Dates

1997-05-10—Published

1993-07-23—Filed

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