Optical fibers

Details Optical fibers Optical fibers

G - Physics

02

B

G02B 6/44 (2006.01) E21B 47/01 (2006.01) H01B 3/28 (2006.01) H01B 17/56 (2006.01)

Patent

CA 2638445

One or more silica optical fibers (22), especially for use in downhole distributed temperature sensing and similar applications, are deployed in a corrosion resistant metal alloy control line (20) which is electrically insulated with, for example, EPDM. The insulation layer may be covered by a fluid resistant sealing layer (26), which may in turn be covered by a mechanical armor layer 28. The resultant composite optical fiber cable exhibits improved resistance to degradation of optical performance at elevated temperatures over about 100 deg. C.

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