Bearing-equipped well tool

Details Bearing-equipped well tool Bearing-equipped well tool

1979-05-07

1981-02-24

Leppink, James A.

Wells

Central chamber sealed with respect to prepositioned...

166 89, 285272, E21B 33035

Patent

active

042521874

ABSTRACT:
Well tools which must be rotated after landing are equipped with an antifriction bearing in such fashion that the tool is supported through the bearing initially and then supported via solid metal-to-metal contact which bypasses the bearing.

REFERENCES:
patent: 2778433 (1957-01-01), Brown
patent: 3540533 (1970-11-01), Morrill
patent: 3761117 (1973-09-01), Shendane

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