G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/04 (2006.01) E21B 47/14 (2006.01) G01B 11/16 (2006.01) G01D 5/26 (2006.01) G01H 9/00 (2006.01) G01V 1/18 (2006.01) G02B 6/02 (2006.01) G02B 6/44 (2006.01)
Patent
CA 2743696
Methods and apparatus for performing Distributed Acoustic Sensing (DAS) using fiber optics with increased acoustic sensitivity are provided. Acoustic sensing of a wellbore, pipeline, or other conduit/tube based on DAS may have increased acoustic sensitivity through fiber optic cable design and/or increasing the Rayleigh backscatter property of a fiber's optical core. Some embodiments may utilize a resonant sensor mechanism with a high Q coupled to the DAS device for increased acoustic sensitivity.
Baker Mark
Bostick Francis X. III
Dowd Edward M.
Dunphy James R.
Grunbeck John J.
Deeth Williams Wall Llp
Weatherford/lamb Inc.
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