Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1997-05-15
1999-04-13
Ledynh, Bot L.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
174 75B, H01B 734
Patent
active
058941045
ABSTRACT:
A slick-line coax cable for use in downhole well-logging under conditions which would normally prevent logging with standard `stranded` line cables includes a device for preventing migration of fluid inside the cable, a coaxial conductive layer of metal to allow more efficient data transfer from the downhole logging tools to the surface recording equipment, and a seal for terminating the downhole end of the metal-encapsulated cable thereby preventing downhole pressure and fluid migration into the cable.
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BIW Cable Systems, Inc. Specification Sheet for Part No. 022104, 1989.
Jeffery Brigitte L.
Ledynh Bot L.
Nguyen Chau N.
Ryberg John J.
Schlumberger Technology Corporation
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