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Tools & labs > Logging tools

Downhole logging tools
7-46 NT

Seven conductor armored cable, designed and specially manufactured for use in well logging. The armor wires are high tensile, galvanized improved plow steel, pre-formed and pre-stressed. The armor is coated with an anticorrosion compound.

20 AWG copper
PFA* insulation
6 / 0.014"
0.073"
6 / 0.36 mm
1.85 mm
20 AWG copper
PFA* insulation
7 / 0.013"
0.070"
7 / 0.32 mm
1.78 mm
Conductive Neoprene
Compressed Diameter
0.288"
7.32 mm
Inner armor
24 / 0.039"
24 / 0.99 mm
Outer armor
24 / 0.049"
24 / 1.24 mm
Nominal Diameter
0.464"
11.79 mm
®trademark of Dupont



Nominal Properties

ELECTRICAL
DC Resistance @ 68° For 20° C Conductor:
10.9 ohm/kFt
36 ohm/km
Armor: 1.2 ohm/kFt
4 ohm/km
Insulation Resistance at 500 VDC
15000 M ohm/kFt
5000 M ohm/km
Capacitance at 1 KHz
55 pf/Ft
180 pf/km
Voltage Rating
560 Vrms
560 Vrms
MECHANICAL
Calculated Weight
 In air
350 Lbs/kFt
521 kg/km
In fresh water
277 Lbs/kFt
412 kg/km
Temperature Rating
 Min.
- 40° F
- 40° C
Max. 450° F; 500° F up to 2 hrs
260° C
Break Strength
 Ends fixed
16700 Lbf
74 kN
Ends free 11600 Lbf
52 kN
Maximum end to end variation
0.010 Inch
0.254 mm

 

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