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2 185 493

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IPC

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Application

2000121293/03, 2000-08-08

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Start date

2000-08-08

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Actual filing date

2000-08-08

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Published

2002-07-20

(72)

Inventor

Ishemguzhin I.E.Imaeva Eh.Sh.Ljagov A.V.Ishemguzhin E.I.Jamaliev V.U.

(73)

Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet

DAMPER OF LONGITUDINAL VIBRATIONS Russian patent published in 2002 - IPC

Abstract RU 2185493 C2

FIELD: drilling of oil and gas wells, particularly, devices for damping of drilling tool vibrations in well. SUBSTANCE: essence of invention consists in that metal damping member of damper with preset natural frequency of vibrations determined by calculation is connected with subs and body provided with a cover by means of couplings with splines for torque transmission. EFFECT: increased efficiency of vibration damping, reliability and simplification of damper design. 2 dwg

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RU 2 185 493 C2

Authors

Ishemguzhin I.E.

Imaeva Eh.Sh.

Ljagov A.V.

Ishemguzhin E.I.

Jamaliev V.U.

Dates

2002-07-20—Published

2000-08-08—Filed

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