SensoTEFC

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Sensing Cable Tubing Encapsulated Fiber and Conductor

Application

Permanent downhole cable

Downhole monitoring

Reservoir surveillance

Distributed temperature sensing

Distributed acoustic sensing

Signal transmission from downhole tools

Remote power supply

Optical fiber

Stainless steel tube

Copper conductor

Insulation

Double layer stainless steel tube

Outer jacket (encapsulation)

Optical fiber

Stainless steel tube

Copper conductor

Insulation

Filler

Double layer stainless steel tube

Outer jacket (encapsulation)

Parameters

Temperature ratings	+85°C +150°C +260°C	+185°F +300°F +500°F
Tube outer diameter range	1.1–1.6 mm	0.043-0.062 in
Outer size (square)	11.0x11.0 mm	0.433x0.433 in
Fiber count	up to 12
Minimum bending radius	X20D

Design options [+]

Single, double or triple layer steel tube
Gel-filled or dry
Round or square encapsulation

Materials [+]

Optical fibers: SM or MM, coating depends on temperature rating
Insulation: PP, ETFE, FEP, PFA
Tube: Stainless steel AISI304, AISI316L, Incoloy 825, Inconel 625
Encapsulation: HDPE, PP, PA, ETFE, FEP, PFA

Other options available upon request.

Features

Combination of electrical conductors and optical fibers in one cable
Standard tubing size 1/4”
Flatpack configuration