DRILL STRING VIBRATION DAMPENER Russian patent published in 1995 - IPC

Abstract RU 2046925 C1

FIELD: boreholes drilling. SUBSTANCE: drill string vibration dampener has bode, hollow shaft and located between them elastically damping joint, made of disks with bulges, fixed on body and shaft steel rings and flexible members, made as pack of rings. Between disks of body and shaft, over and under their bulges there are rings with trapezium-shaped cross-section, ensuring dampener operation under heavy loadings. EFFECT: increased effectiveness of dynamic loadings dampening. 2 dwg

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RU 2 046 925 C1

Authors

Tikhonov Anatolij Vasil'Evich

Pletnikov Ivan Alekseevich

Dates

1995-10-27—Published

1992-01-09—Filed