Slip monitor and control
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United States of America Patent
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Sep 15, 2020
Grant Date -
Feb 22, 2018
app pub date -
Aug 19, 2016
filing date -
Aug 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for slip monitor and control includes a body; a plurality of slips; a transmitter for each slip; at least one receiver coupled to the body; and an actuator for each slip configured to move the respective slip vertically relative to the body. A method for slip monitor and control includes obtaining slip positional information for a plurality of slips; determining whether the slip positional information for each of the slips matches criteria; and sending one or more control signals to one or more actuators, each actuator configured to move one of the slips vertically relative to a body. A method for handling a tubular includes actuating a plurality of slips to move vertically relative to a body; engaging the tubular with at least one of the slips; measuring positional data of the plurality of slips; and identifying an offset pipe condition.
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