Method and apparatus for absorbing shock

Details Method and apparatus for absorbing shock Method and apparatus for absorbing shock

1985-06-03

1987-09-15

Novosad, Stephen J.

Wells

Processes

Assembling well part

166 551, 175 452, 175321, 464 20, E21B 1707, E21B 4311

Patent

active

046933174

ABSTRACT:
The present invention includes devices for absorbing shock in a tool string within a borehole. These components may serve together in a variety of configurations to form a shock absorbing system. A longitudinal shock absorber is connected in the tool string. The longitudinal shock absorber includes compressible members utilized to damp longitudinal movement. A radial shock absorber is connected in the tool string. The radial shock absorber includes resiliently mounted contact pads for contacting the sides of the borehole to damp radial movement. A carrier assembly is utilized to provide a shock absorbing mounting for particularly delicate components such as gauges, and to damp any shock which might be transmitted thereto from either a radial or longitudinal direction.

REFERENCES:
patent: 3274798 (1966-09-01), Wiggins, Jr.
patent: 3323327 (1967-06-01), Leathers et al.
patent: 3660990 (1972-05-01), Zerb et al.
patent: 3923106 (1975-12-01), Bosse-Platiere
patent: 4139994 (1979-02-01), Alther
patent: 4467866 (1984-08-01), Vasquez et al.
patent: 4498548 (1985-02-01), Teng
patent: 4572305 (1986-02-01), Swietlik
patent: 4600062 (1986-07-01), Teng
patent: 4628995 (1986-12-01), Young et al.

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