Optical fiber system and method for wellhole sensing of...

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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C166S066500, C324S220000, C324S221000

Reexamination Certificate

active

07413011

ABSTRACT:
Systems and methods for optically determining casing collar and/or corrosion locations within boreholes, using the diffraction effect of Faraday crystals through which depolarized continuous light is transmitted within optical fibers.

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