WELLBORE DISTRIBUTED SENSING USING FIBER OPTIC ROTARY JOINT

WELLBORE DISTRIBUTED SENSING USING FIBER OPTIC ROTARY JOINT

A system includes an optical fiber integrated into a conveyance subsystem that is positionable downhole in a wellbore. The system also includes a backscattering sensor system positionable to monitor temperature and optical fiber strain along the optical fiber using backscattered light signals receiv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STARK, Daniel Joshua, MAIDA, John L., Jr
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:A system includes an optical fiber integrated into a conveyance subsystem that is positionable downhole in a wellbore. The system also includes a backscattering sensor system positionable to monitor temperature and optical fiber strain along the optical fiber using backscattered light signals received from the optical fiber. Further, the system includes a fiber optic rotary joint positionable to optically couple the optical fiber with the backscattering sensor system to provide an optical path for the backscattered light signals to reach the backscattering sensor system.