Real-time flow injection monitoring using distributed Bragg grating
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United States of America Patent
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Mar 28, 2017
Grant Date -
May 14, 2015
app pub date -
Nov 13, 2013
filing date -
Nov 13, 2013
priority date (Note) -
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Abstract
A system, method and computer-readable medium for monitoring a fluid injection at a downhole location in a wellbore is disclosed. A member is provided in the wellbore. The member includes a passage for flow of fluid and a fiber optic cable including a plurality of temperature sensitive sensors wrapped around the member. A selected temperature signal is imparted into the fluid flowing in the member. A temperature of the fluid exiting the member at the downhole location is measured using the plurality of temperature sensors. The measured temperature and the imparted temperature signal are compared to determine a flow parameter of the injected fluid.
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