Locating a downhole tool in a wellbore
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United States of America Patent
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Jul 14, 2020
Grant Date -
Apr 6, 2017
app pub date -
Jun 5, 2014
filing date -
Jun 5, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A downhole cement plug includes a casing collar locator (CCL) operable to generate signals indicative of casing collars on a downhole casing string of a wellbore system; a controller communicably coupled to the CCL to output a plurality of distinct frequency signals based on the signals from the casing collar locator; and a signal generator communicably coupled to the controller to receive the plurality of distinct frequency signals from the controller and transmit the plurality of distinct frequency signals to a terranean surface through a portion of a wellbore system.
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