The reinforced single-core 8mm wireline cable (W1-HS-8.0) is designed for high-temperature and high-pressure downhole environments in oilfields, ideal for precision logging operations. It features 19 strands of 0.37mm high-purity copper conductors, ensuring superior conductivity and stable signal transmission. With a tightly controlled diameter of 8.0mm±0.10mm and a minimum bending radius of 450mm (18″), it adapts to complex downhole spaces. The cable withstands temperatures from 150℃ to 260℃ (300℉ to 500℉) and offers a breaking strength of 55kN (12,300 lbs), maintaining reliability in extreme conditions. Rated for 1500VDC with insulation resistance up to 15,000MΩ·km, it meets stringent electrical safety standards, making it perfect for high-temperature wells, deep drilling, and industrial sensing applications. The diameter of other single - wireline cables can be customized. Please refer to the attachment for parameters.
Product Parameters
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CABLE TYPE SELECTION |
COPPER CONDUCTOR |
CABLE WEIGHT in air |
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Temperature Rating |
Insulation Thickness |
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W1B-HS8.0 |
150 °C |
300 °F |
0.98 mm |
0.0386″ |
270 kg/km |
184 lbs/Kft |
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W1F46-HS8.0 |
232 °C |
450 °F |
0.48 mm + 0.50 mm |
0.0189″ + 0.0197″ |
281 kg/km |
189 lbs/Kft |
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W1F46F40-HS8.0 |
260 °C |
500 °F |
0.48 mm + 0.50 mm |
0.0189″ + 0.0197″ |
287 kg/km |
193 lbs/Kft |
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W1PFA-HS8.0 |
260 °C |
500 °F |
0.98 mm |
0.0386″ |
287kg/km |
193 lbs/Kft |
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*Please select the appropriate cable type based on the temperature of the target well condition. For further information, please contact our sales engineer |
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CONSTRUCTION |
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Copper Construction |
19 x 0.37 mm |
19 x 0.0146″ |
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Insulation |
See the form above |
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Armor Inner (Average Wire Breaking Strength) |
12×1.11 mm (2089N) |
12×0.0437″ (470lbs) |
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Outer (Average Wire Breaking Strength) |
18×1.11 mm (2089N) |
18×0.437″ (470lbs) |
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Cable Diameter |
8.0 mm±0.10mm |
0.315″± 0.0039″ |
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MECHANICAL |
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Cable Breaking Strength |
55 kN |
12300lbs |
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Maximum Suggested Working Tension |
27.5 kN |
6150 lbs |
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Minimum Bending Diameter |
450 mm |
18″ |
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Cable Stretch Coefficient |
1.35 m/km/5kN |
1.2 ft/kft/klbs |
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ELECTRICAL |
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Voltage Rating |
1500 VDC |
1500 VDC |
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Insulation Resistance |
15000 MΩ·km |
50000 MΩ·kft |
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Resistance Typical 20°C |
9.2 Ω/km |
2.8 Ω/kft |
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Capacitance @1 kHz |
190 pf/m |
58 pf/ft |
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Key Features
- High-Strength Construction: 19×0.37mm copper conductors and dual-layer armor provide 55kN breaking strength, resisting mechanical stress.
- High-Temperature Resistance: Sustains up to 260℃ (500℉), suitable for most extreme downhole conditions.
- Precision Engineering: Diameter tolerance of ±0.10mm and a minimum bend radius of 450mm (18″) enable deployment in narrow wellbores.
- Electrical Reliability: 1500VDC rating, 15,000MΩ·km insulation resistance, and 190pF/m capacitance ensure low-loss signal transmission.
- Lightweight Design: Air weight of 270-287kg/km reduces deployment complexity and costs.
Product Differentiation
Models vary in temperature tolerance and insulation:
- W1B-HS8.0: Base model with 150℃ rating and 0.98mm insulation for standard logging.
- W1F46-HS8.0: Enhanced dual-layer insulation (0.48mm+0.50mm) for 232℃ high-temperature wells.
- W1F46F40-HS8.0: Optimized for 260℃ extreme heat, ideal for ultra-deep wells.
- W1PFA-HS8.0: Uses PFA material for 260℃ tolerance and chemical resistance in corrosive environments. Users can select based on well conditions to balance performance and cost.
Application Capabilities
The cable is widely used in high-temperature, high-pressure downhole environments, including:
- Logging Operations: Real-time transmission of geological data for LWD and wireline logging.
- Deep/Ultra-Deep Wells: Withstands 260℃ and 55kN tension, suitable for wells exceeding 5,000 meters.
- Industrial Sensing: Ideal for geothermal wells and chemical pipelines requiring precise signal transmission.
- Harsh Conditions: PFA variant resists corrosion and chemicals, perfect for H₂S-rich or acidic wells.
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