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2 044 945

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Application

4927620/29, 1991-04-17

(22)

Actual filing date

1991-04-17

(45)

Published

1995-09-27

(72)

Inventor

Gumerov A.G.Gumerov R.S.Azmetov Kh.A.Fajzullin S.M.Khajrullin F.G.Karamyshev V.G.Chepurskij V.N.Bojko V.A.

(73)

Holder

Institut Problem Transporta Ehnergoresursov

METHOD FOR WITHDRAWAL OF PIPELINE FROM GROUND AND DEVICE FOR ITS REALIZATION Russian patent published in 1995 - IPC

Abstract RU 2044945 C1

FIELD: methods for withdrawal of pipelines from ground. SUBSTANCE: method for withdrawal of pipeline from ground includes uncovering of end of pipeline section and bringing of pipe cleaning and pipe raising devices to under pipeline and their subsequent pulling along the pipeline. Pulling of devices are periodically discontinued. Pipe cleaning device is raised and again lowered after pulling pipe raising device to it. Pipe cleaning device is used in form of wedge. EFFECT: higher efficiency. 2 cl, 4 dwg

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RU 2 044 945 C1

Authors

Gumerov A.G.

Gumerov R.S.

Azmetov Kh.A.

Fajzullin S.M.

Khajrullin F.G.

Karamyshev V.G.

Chepurskij V.N.

Bojko V.A.

Dates

1995-09-27—Published

1991-04-17—Filed

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