Soft-wire conductor wellbore telemetry system and method
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United States of America Patent
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-
Jan 1, 1980
Grant Date -
N/A
app pub date -
Nov 9, 1977
filing date -
Nov 9, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A resilient conductor having an outer flexible insulating coating and an inner flexible conducting core is employed in a drill string to maintain an electric circuit between a subsurface and surface location. The conductor is inserted in the drill string in a generally free-hanging, random fashion to store excess length of conductor which is utilized as the drill string is lengthened. The stored conductor can be maintained in the drill string in a generally untangled state due to its kink-resistant mechanical and physical properties. Moreover, the frictional drag of the flowing drilling fluid tends to straighten and disentangle the conductor.
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