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2 121 980

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C1

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IPC

(21) (22)

Application

96109752/25, 1996-05-21

(22)

Actual filing date

1996-05-21

(45)

Published

1998-11-20

(72)

Inventor

Dytjuk L.T.Samakaev R.Kh.Kalimullin R.S.Rjabin N.A.

(73)

Holder

Nauchno-Proizvodstvennoe Upravlenie Aktsionernogo Obshchestva Otkrytogo Tipa

METHOD OF UTILIZATION OF INCOMPATIBLE WATER Russian patent published in 1998 - IPC

Abstract RU 2121980 C1

FIELD: chemical industry, more particularly processing of sewage, and also petroleum industry. SUBSTANCE: hydrogen sulfide- and iron-containing sewage are prepared and then injected into seam. Chelate-forming agent is chemical product which is added to hydrogen sulfide flow, and iron-containing and hydrogen sulfide-containing sewage is injected portion wise into one seam. Chemical product is added in amount of 20 g per 1 cubic m of the water to be injected. The claimed method makes it possible to decrease attenuation of injectivity of injection wells. EFFECT: more efficient utilization method. 2 cl, 1 dwg, 1 tbl

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RU 2 121 980 C1

Authors

Dytjuk L.T.

Samakaev R.Kh.

Kalimullin R.S.

Rjabin N.A.

Dates

1998-11-20—Published

1996-05-21—Filed

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