ECCENTRIC STABILIZER Russian patent published in 1995 - IPC

Abstract RU 2029047 C1

FIELD: mining industry; drilling gas and oil wells. SUBSTANCE: eccentric stabilizer consists of body with fastening threads and water course, eccentric bushing with core and limiter. Body is made with one longitudinal outer recess, and bushing is made in form of cylinder with egg-shaped cross-section that lessens in course of operation the effect of torsional vibrations of drill string. EFFECT: higher efficiency. 4 dwg

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RU 2 029 047 C1

Authors

Prokhorenko V.V.

Oganov A.S.

Gimaev R.F.

Dates

1995-02-20—Published

1991-06-27—Filed