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2 148 162

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C1

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IPC

(21) (22)

Application

98102573/03, 1998-02-10

(24)

Start date

1998-02-10

(22)

Actual filing date

1998-02-10

(45)

Published

2000-04-27

(72)

Inventor

Chesnokov V.A.Paderin M.G.

(73)

Holder

Transnatsional'Naja Kompanija Junivers

DEVICE FOR WELL TREATMENT Russian patent published in 2000 - IPC

Abstract RU 2148162 C1

FIELD: equipment used in operation of oil, gas and water wells. SUBSTANCE: lowered into well on logging cable is pipe string separated along its axis into two compartments, each is filled with chemical reagent. As a result of chemical reaction of the reagents, abundant gas is liberated and it facilitates cleaning of bottom-hole formation zone and increases well output. Mixing of reagents and chemical reaction take place in mixer through which reagents flow into wellbore under pressure built up by pressure generator or by charge of lazy powder initiated by electric fuze. Installed in device outlet is vibrating valve generating pressure pulses. EFFECT: increased efficiency, reduced cost of well treatment. 2 cl, 1 dwg

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RU 2 148 162 C1

Authors

Chesnokov V.A.

Paderin M.G.

Dates

2000-04-27—Published

1998-02-10—Filed

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