4mm Single Conductor Encapsulated TEC Downhole Cable

4mm Single Conductor Encapsulated TEC Downhole Cable

4mm Single-Core Encapsulated Thermocouple Extension Cable (TEC) is specifically designed for extreme downhole environments, primarily used in oil and gas wells. The conductor diameter is 4mm, featuring a single insulated electrical conductor fully enclosed and sealed within a metal tube.

  • iso-certification
  • ce-certification
  • ccc-certification
  • ul-certification
  • abs-certification

4mm Single Conductor Encapsulated TEC Downhole Cable Construction

Material: Incoloy 825/ Stainless Steel 316L
Outside Diameter: 4mm / 0.160”
Wall Thickness: 0.76mm / 0.030”
Seam: Gas Tungsten Arc Weld
Weld Quality: Eddy Inspection

4mm Single Conductor Encapsulated TEC Downhole Cable Application

  • Downhole suspended
  • Surface reading
  • Drop pipe joint
  • Connected via coiled tubing pull
  • To tubing
  • Cementing behind casing
  • Real-time data application

4mm Single Conductor Encapsulated TEC Downhole Cable Technical Data

  • Max operating Temperature: 200°C (392°F)
  • Operating Voltage: 32 VDC

4mm Single Conductor Encapsulated TEC Downhole Cable Feature

  • High-Temperature/High-Pressure Rating: Specifically engineered for high-pressure/high-temperature (HP/HT) wells.
  • Long-Term Stability and Accuracy: Encapsulation process shields signal paths from environmental impacts, ensuring data integrity for years.
  • Superior Mechanical Strength: Withstands demanding installation procedures (high tension, casing friction) and prolonged operation (vibration, thermal cycling).
  • Simplified Circuitry: Armored return design offers greater simplicity compared to dual-core cables.
  • Corrosion Resistance: Special alloy materials like stainless steel and Inconel® are selected based on downhole environments (e.g., H₂S, CO₂).

4mm Single Conductor Encapsulated TEC Downhole Cable Specification

Weight (Bare)Crush RatingConductor DC ResistanceStranded Bare CopperSizeDiameter
0.051 lbs/ft10,000 lbs6.1 Ω/1,000 ft19 Strands of 30 AWG18 AWG1.168mm / 0.046

Why Huadong Cable

Our vision is to become an internationally renowned cable brand. Customer satisfaction, employee advancement, and corporate growth are our service tenets. High standards, globalization, and building an international brand are our business philosophy.

About HuaDong

Henan Huadong Cable Co., Ltd., established in 1999, is a state-level high-tech enterprise integrating scientific research, production, and trade. Deeply engaged in the Belt and Road Initiative, Huadong Cable exports its products to over 130 countries worldwide, covering regions including Europe, South America, North America, the Middle East, Africa, Asia, and Oceania.

HuaDong Technology

HuaDong Cable focuses on technological research and development, employing 60 professionals with senior technical titles and holding over 100 invention and utility model patents. The company has assembled a team of experienced technical engineers to ensure the quality of its cable products.

Main Products

Our main products: Marine cables, power cables, overhead cables, fire-resistant cables, low-smoke zero-halogen cables, rubber cables, high-temperature resistant cables, instrumentation and control cables, solar cables, and other products.

ISO, SGS, BV CERTIFICATION; TECHNICAL PATENTS AND PRODUCT CERTIFICATION

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TECHNICAL AND CLIENTS

130+

Export Countries

100+

Technical Patents

3 billion+

Annual Productivity

400+

Employees

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Please feel free to contact us if you have any questions.

TECHNICAL & SALES SUPPORT

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