Releasing a downhole tool
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Oct 1, 2012
filing date -
Oct 1, 2012
priority date (Note) -
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Abstract
Techniques for releasing a well tool string from a wireline release tool includes initiating actuation of a linear actuator of the wireline release tool, the actuator coupled to an inner mandrel on which a retractable latch rides, the retractable latch including a profile formed on an outer surface of the latch that is coupled to the well tool string; actuating the actuator to move the inner mandrel of the wireline release tool to remove support of the profile by a ramp formed on the outer surface, the profile retracted toward the inner mandrel based on the movement of the inner mandrel; decoupling the profile from the well tool string based on retraction of the profile toward the inner mandrel; and moving the wireline release tool into a position to release the wireline release tool from the well tool string.
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Cited Art Landscape
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