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2 151 260

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Application

99109709/03, 1999-05-13

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Start date

1999-05-13

(22)

Actual filing date

1999-05-13

(45)

Published

2000-06-20

(72)

Inventor

Ishkaev R.K.Gabdullin R.G.Strakhov D.V.Osnos V.B.Salakhova Z.R.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Tatarskij Nauchno-Issledovatel'Skij I Proektnyj Institut Nefti

DISENGAGING UNIT Russian patent published in 2000 - IPC

Abstract RU 2151260 C1

FIELD: oil and gas excavation, specifically, construction and repair of wells. SUBSTANCE: essence of invention consists in design of disengaging unit making it possible to grout tail parts in inclined and horizontal wells with subsequent recovery of larger part of unit from well for repeat usage. EFFECT: minimized labor input and time required to grout tail parts in wells. 2 dwg

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RU 2 151 260 C1

Authors

Ishkaev R.K.

Gabdullin R.G.

Strakhov D.V.

Osnos V.B.

Salakhova Z.R.

Dates

2000-06-20—Published

1999-05-13—Filed

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