Methods and systems for extending the range for fiber optic distributed temperature (DTS) systems
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United States of America Patent
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Dec 18, 2012
Grant Date -
Nov 17, 2011
app pub date -
Jan 17, 2009
filing date -
Jan 18, 2008
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Abstract
Systems and methods for extending the range of a fiber optic DTS system are provided. In one respect, a method may provide steps for transmitting, in a first time period, an optical signal at a first energy level through an optical fiber, collecting backscatter signals as a result of the first transmission, adjusting the first energy level to a second energy level, transmitting, in an additional time period, the adjusted optical signal through the optical fiber, collecting backscatter signals as a result of the adjusted transmissions, and using a portion of the collected backscatter as a result of the first transmission and a portion of the collected backscatter as a result of the additional transmissions, determining one or more parameter profiles, such as a temperature profile.
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