Using fiber optic sensing to establish location, amplitude and shape of a standing wave created within a wellbore
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United States of America Patent
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Sep 17, 2024
Grant Date -
Dec 7, 2023
app pub date -
Jun 1, 2022
filing date -
Jun 1, 2022
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Abstract
Introduced herein are system and method for precisely determining the actual location of a standing wave created within a wellbore as well as other key properties about the created wave. The introduced system and method utilize a fiber optic sensing system, such as fiber optic Distributed Acoustic Sensing (DAS) system, that actively interrogates and monitors fiber optic sensors along the length of a wellbore. The introduced system and method generate one or more pressure pulses that combine with one another to create a standing wave within a wellbore and process the acoustic response of the standing wave using the fiber optic DAS system over a wide range of frequencies. Based on the measurements, the introduced system and method determine the actual location of the created standing wave and move it to a desired location within the wellbore by adjusting one or more properties of the pressure pulses.
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