Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1980-09-22
1983-03-01
Nussbaum, Marvin L.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
174109, G02B 514, G02B 516
Patent
active
043753132
ABSTRACT:
A cable adapted for well logging has an optical fiber core in which the optical fibers are protected from moisture and non-uniform stresses by first wrapping the fibers in a helical spiral around a solid, soft, deformable core material and then blanketing them with more of the same. Next the blanketed core is closely and tightly wound with several overlapping layers of a metallic tape jacket. The jacket buffers radial loads applied by other portions of the cable and forms a barrier against moisture penetration. The soft core and blanket have properties close to a liquid so that only uniform, essentially hydrostatic stresses are transmitted to the optical fibers.
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Meisner-"Computers and Advanced Technology Applied to Uranium Borehole Logging Systems", 1980 Midcom Professional Program, Session 32; Dallas Convention Center, Nov. 4-6, 1980; pp. 1-15.
Anderson Ronald A.
Shapiro Robert M.
Nussbaum Marvin L.
Schlumberger Technology Corporation
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