Tool string shock absorber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Jul 23, 1998
filing date -
Jul 23, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method for absorbing shock downhole in a wellbore. The kinetic energy from a moving tool is absorbed to dissipate such energy, to decelerate the moving tool, or to prevent impact damage from contact between the tool and other downhole components. An actuator has an interference fit with a body such as the interior wall of a tubing section. When the moving tool actuates the actuator to move the actuator relative to the body, kinetic energy is dissipated into the body as the body elastically deforms due to the moving actuator. The amount of energy dissipated can be determined from the strength of the body, the contact dimensions between the actuator and body, and the length of moving contact between the actuator and body.
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