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2 017 943

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C1

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IPC

(21) (22)

Application

4740081/03, 1989-09-21

(22)

Actual filing date

1989-09-21

(45)

Published

1994-08-15

(72)

Inventor

Sanasarjan N.S.Ivanenko V.V.Zamakhaev V.S.Korolev I.P.Sliozberg R.A.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Ltd.

METHOD FOR PERFORMANCE OF WELL SHOOTING Russian patent published in 1994 - IPC

Abstract RU 2017943 C1

FIELD: well drilling. SUBSTANCE: well interval is filled with working fluid. Shooting apparatus is lowered into well to interval of shooting performance, and blast is initiated. Used as working fluid is fluid with definite acoustic properties. Acoustic stiffness of working fluid should be less than that of well fluid. Working fluid is injected to above-shooting interval. Height of working fluid column is determined from relation given by invention description. EFFECT: higher efficiency due to additional effect of decreasing blast destruction action on well casing. 5 dwg

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RU 2 017 943 C1

Authors

Sanasarjan N.S.

Ivanenko V.V.

Zamakhaev V.S.

Korolev I.P.

Sliozberg R.A.

Dates

1994-08-15—Published

1989-09-21—Filed

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