Logging Cable
3.5mm 316L Stainless Steel Armored Logging Cable with High Temperature Modified Polypropylene Insulation
The BTPS 3.5mm Single Core Armored Wireline Logging Cable is designed for compact downhole signal transmission applications requiring reliable mechanical protection and stable electrical performance.
The cable features a high-toughness copper stranded conductor, high-temperature modified polypropylene insulation, and double-layer 316L stainless steel wire armor.
With a small 3.5mm diameter design and operating temperature range from -40℃ to +175℃, this cable provides excellent flexibility, corrosion resistance, and durability for oilfield wireline logging operations.
Key Specifications
Conductor Structure
7 × 0.25 mm
Conductor Area
0.34 mm²
Insulation Material
High Temperature Modified Polypropylene
Insulation Thickness
1.71 mm
ISO 9001 Certified
CNPC & Sinopec Approved
Global Export Ready
Custom R&D Available
Technical Description
-
Product Description
- BTPS-1×0.34mm² logging cable adopts a single conductor structure with high-performance insulation and stainless steel armored protection.
- The conductor consists of high-toughness copper strands, providing stable conductivity and reliable signal transmission. The modified polypropylene insulation layer offers good temperature resistance and electrical insulation performance.
- The double-layer 316L stainless steel armor improves corrosion resistance and mechanical strength, allowing the cable to withstand repeated deployment and retrieval during downhole operations.
- Its compact diameter makes it suitable for applications where space limitation and cable flexibility are important factors.
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Key Features
-
1. Compact 3.5mm Diameter Design
- Advantages:
- Lightweight construction
- Easy deployment
- Suitable for narrow well operations
-
2. 316L Stainless Steel Double Armor
- Provides:
- Excellent corrosion resistance
- Higher mechanical protection
- Improved tensile performance
-
3. High Temperature Modified Polypropylene Insulation
- Features:
- Temperature resistance up to 175℃
- Stable insulation performance
- Good chemical resistance
-
4. Reliable Signal Transmission
- Suitable for:
- Downhole sensors
- Logging instruments
- Signal communication systems
-
5. Flexible Single Core Structure
- Benefits:
- Small bending radius
- Easy operation
- Reduced installation difficulty
-
Applications
-
Oil & Gas Wireline Logging
- Used for:
- Well logging tools
- Formation evaluation
- Downhole measurement
-
Compact Logging Systems
- Suitable for:
- Small diameter instruments
- Space-limited wells
- Signal transmission applications
-
Harsh Industrial Environments
- Applied in:
- Oilfield operations
- Geothermal monitoring
- Underground measurement systems
-
FAQ
- Q1: What is BTPS-1×0.34mm² cable used for?
- BTPS cable is mainly used for downhole signal transmission in wireline logging and measurement operations.
- Q2: How many conductors does this cable have?
- This cable has one conductor. The conductor itself consists of 7 copper wires with a diameter of 0.25mm.
- Q3: Why use 316L stainless steel armor?
- 316L stainless steel provides excellent corrosion resistance and mechanical protection for demanding downhole environments.
- Q4: What is the temperature range of BTPS cable?
- The cable is designed for operation from -40℃ to +175℃.
Application Scenarios
Downhole Logging Operations
Designed for wireline logging tools in oil & gas wells
Deep Well Exploration
Suitable for extreme depth and high-pressure environments
Perforating Operations
Pump-down and wireline perforating in production wells
High-Temperature Environments
Stable performance in geothermal and HPHT wells
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Conductor Structure | 7 × 0.25 | mm |
| Conductor Area | 0.34 | mm² |
| Insulation Material | High Temperature Modified Polypropylene | -- |
| Insulation Thickness | 1.71 | mm |
| Inner Armor | 12 × 0.47 mm 316L Stainless Steel Wire | -- |
| Outer Armor | 18 × 0.48 mm 316L Stainless Steel Wire | mm |
| Cable Diameter | 3.50 ±0.10 | mm |
| Weight in Air | 50 | kg/km |
| Temperature Rating | -40℃ ~ +175℃ | ℃ |
| Breaking Strength | 9 | kN |
| Minimum Bending Diameter | 192 | mm |
| Rated Voltage | 300 | VDC |
| Insulation Resistance (20℃) | ≥500 | MΩ·km |
| DC Resistance (20℃) | ≤54 | Ω/km |
| Capacitance | ≤0.17 | μF/km |
Standards & Certifications
ISO 9001
Quality Management System
ISO 14001
Environmental Management
ISO 45001
Occupational Health & Safety
Product Inquiry
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