FL-WGSF46F40-6.35mm H₂S Resistant Single Core Armored Logging Cable
FL-WGSF46F40-6.35mm H₂S Resistant Single Core Armored Logging Cable
Dongsheng FL-WGSF46F40-6.35mm logging cable is a high-temperature single core load-bearing cable designed for oil well logging operations in demanding downhole environments.
The cable features a dual fluoropolymer insulation system with FEP (F46) and ETFE (F40), combined with double-layer 316L stainless steel wire armor. This structure provides reliable electrical insulation, corrosion resistance and mechanical protection during wireline deployment.
With a compact 6.35mm diameter and excellent temperature performance from -50℃ to +260℃, this cable is suitable for harsh oilfield applications including H₂S-containing environments and high-temperature logging operations.
Key Specifications
Technical Description
-
Cable Structure
-
Conductor
- 19 × 0.31mm Soft Copper Wire
- The flexible copper conductor provides stable electrical conductivity and reliable signal transmission for downhole measurement systems.
-
FEP Insulation (F46)
- Primary insulation layer:
- High temperature resistance
- Excellent electrical insulation
- Good chemical stability
-
ETFE Insulation (F40)
- Secondary high-temperature insulation layer:
- Improved mechanical protection
- Excellent wear resistance
- Enhanced environmental durability
-
Double 316L Stainless Steel Wire Armor
- Armor structure:
- Inner Layer:
- 12 × 0.89mm 316L stainless steel wire
- Outer Layer:
- 18 × 0.89mm 316L stainless steel wire
- Advantages:
- High tensile strength
- Excellent corrosion resistance
- Mechanical protection during cable operation
-
Key Features
-
H₂S Resistant Design
- The cable uses fluoropolymer insulation materials and 316L stainless steel armor to improve resistance against corrosive downhole environments.
-
High Temperature Performance
- Operating temperature:
- -50℃ to +260℃
- Suitable for high-temperature oil well logging operations.
-
Strong Mechanical Performance
- Breaking force:
- 28 kN
- The double-layer stainless steel armor provides reliable load-bearing capability during cable deployment.
-
Stable Electrical Transmission
- Electrical characteristics:
- Withstand voltage: 1500 VDC
- Insulation resistance: ≥500 MΩ·km
- DC resistance: ≤14.4 Ω/km
-
Applications
-
Oil Well Logging
- Used for:
- Formation evaluation
- Downhole measurement
- Wireline logging systems
-
H₂S Environment Operations
- Suitable for oil and gas wells requiring corrosion-resistant cable materials.
-
High Temperature Wells
- Designed for applications requiring:
- Long-term thermal stability
- Reliable signal transmission
- Mechanical durability
-
FAQ
- Q1: What type of cable is FL-WGSF46F40-6.35mm?
- It is a single core armored logging cable designed for load-bearing and electrical signal transmission in oil well logging operations.
- Q2: What insulation materials are used in this cable?
- The cable uses FEP (F46) and ETFE (F40) fluoropolymer insulation materials.
- Q3: Why does this cable use 316L stainless steel armor?
- 316L stainless steel armor provides corrosion resistance and mechanical protection for harsh downhole environments.
- Q4: Can Dongsheng customize this type of logging cable?
- Yes. Dongsheng can customize logging cables according to conductor configuration, insulation materials, diameter and operating conditions.
Application Scenarios
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Conductor | 19 × 0.31mm Soft Copper Wire | mm |
| Insulation | FEP + ETFE | -- |
| Armor Material | 316L Stainless Steel Wire | -- |
| Armor Structure | Double Layer Armor | -- |
| Inner Armor | 12 × 0.89mm | mm |
| Outer Armor | 18 × 0.89mm | mm |
| Cable Diameter | 6.35 ±0.10mm | mm |
| Air Weight | 182kg/km | kg/km |
| Temperature Range | -50℃ ~ +260℃ | ℃ |
| Breaking Force | 28kN | kN |
| Withstand Voltage | 1500VDC | VDC |
| Insulation Resistance | ≥500MΩ·km | MΩ·km |
| DC Resistance | ≤14.4Ω/km | Ω/km |
| Capacitance | ≤0.19μF/km | μF/km |
Standards & Certifications
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