Communications system having redundant channels

A system for use in a well having completion zones includes a surface node and a plurality of downhole nodes positioned in the completion zones. A communications link extends into the well and is coupled to the surface node and downhole nodes. The communications link includes channels coupling succe...

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Bibliographic Details
Main Author GUY V LABORDE
Format Patent
LanguageEnglish
Published 22.01.2003
Edition7
Subjects
DETECTING MASSES OR OBJECTS
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
FIXED CONSTRUCTIONS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PHYSICS
TESTING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A system for use in a well having completion zones includes a surface node and a plurality of downhole nodes positioned in the completion zones. A communications link extends into the well and is coupled to the surface node and downhole nodes. The communications link includes channels coupling successive nodes, and the surface node and downhole nodes are coupled in a loop by the channels.
Bibliography:Application Number: GB20010010475