| 摘要 |
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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