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China Suppliers Factory-Grade G1F46-3.18 1/8 Single-Conductor 316L/825 Armor TEC Cable, 200℃ Rating
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China Suppliers Factory-Grade G1F46-3.18 1/8 Single-Conductor 316L/825 Armor TEC Cable, 200℃ Rating

Introducing the G1F46-3.18, a high-performance single-conductor micro logging cable, expertly manufactured in China. This innovative cable features FEP insulation and is protected by a robust 316L/A825 stainless steel tube armoring, making it ideal for demanding applications. With an impressive temperature resistance of up to 200℃ and a slim outer diameter of just 3.18mm, this cable is designed for optimal flexibility and durability. Its outstanding corrosion resistance and superior insulation performance ensure long-lasting reliability in various environments. As a leading supplier and factory of specialty cables, we are committed to providing top-quality products that meet your micro logging needs
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    Product Details

    Applicable Well Types

    1. Small-Bore/Micro-Bore Wells

    Well Condition Features: Wellbore diameter ≤ 100mm, thin-walled casing wells (e.g., φ73mm/φ89mm casing), small-diameter open holes, and medium-shallow wells with depth ≤ 2000m.

    2. Medium-Temperature Corrosive Wells

    Well Condition Features: Conventional/unconventional shallow oil & gas wells with bottomhole temperature of 150℃-200℃, containing corrosive media such as H₂S/CO₂/Cl⁻, and well depth of 1000-3000m.

    3. Medium-Shallow Vertical/Low-Deviation Wells

    Well Condition Features: Vertical wells or low-deviation directional wells with build-up sections ≤ 45°, well depth ≤ 3000m, bottomhole temperature ≤ 200℃, and no complex trajectories with high torque or friction.

    4. Shallow Geothermal/Hydrogeological Wells

    Well Condition Features: Medium-temperature shallow geothermal wells and hydrogeological exploration wells with bottomhole temperature of 120℃-200℃, well depth ≤ 2500m, and some intervals containing high-salinity formation water.

    5. Shallow CBM/Coal Mine Logging Wells

    Well Condition Features: Shallow coalbed methane development wells (depth ≤ 1500m) and small-diameter detection wells in underground coal mines, with environments containing trace methane and highly corrosive formation water.

    Strictly Inapplicable Scenarios

    ✕

    1. High-deviation wells (>60°) / long-horizontal-section horizontal wells (horizontal section >500m).

    ✕

    2. Deep / ultra-deep wells (depth >4000m).

    ✕

    3. Ultra-high temperature wells (bottomhole temperature >200℃).

    ✕

    4. Tool weight >80kg (will quickly exceed the maximum recommended working tension of 2.75kN, significantly reducing cable service life or causing immediate breakage).

    ✕

    5. Large-bore wells (wellbore diameter >200mm).

    Selection Reference

    Parameter Specification Applicable Well Condition Typical Well Type
    Conductor Structure 7×0.21mm tinned copper wire (≈23 AWG), total cross-sectional area ≈0.242mm² Suitable for weak current signal transmission, no heavy current load, applicable to medium-temperature working environment Small-bore wells, medium-shallow conventional oil & gas wells, geothermal exploration wells
    Insulation Material FEP (fluoroplastic), temperature rating 200℃ (392℉) Bottomhole temperature ≤200℃, no ultra-high temperature environment, applicable to wells with corrosive formation fluid Medium-temperature corrosive oil & gas wells, shallow coalbed methane wells, medium-temperature geothermal wells
    Protection Structure 316L/A825 stainless steel tube armoring, outer diameter 3.18mm±0.076mm Small-bore (wellbore diameter ≤100mm), moderate wellbore wear, wells containing corrosive media (H₂S/CO₂/Cl⁻) Small-bore/micro-bore wells, thin-walled casing wells, underground coal mine logging wells
    Mechanical Performance Breaking strength 5.5kN, maximum working tension 2.75kN, minimum bending diameter 350mm Well depth ≤3000m, build-up section ≤45° (conditionally ≤60°), no high torque or high friction working conditions Medium-shallow vertical wells, low-deviation directional wells, long-radius horizontal wells with short horizontal section (≤500m)

    Frequently Asked Questions (FAQ)

    Q1: What are the main wellbore size limitations for these cables?
    A1: These cables are ideally suited for small-bore and micro-bore wells with a wellbore diameter of 100mm or less. They are not recommended for large-bore wells exceeding 200mm in diameter.
    Q2: What is the maximum temperature limit these cables can withstand?
    A2: The cables feature FEP insulation material rated up to 200℃ (392℉). They should not be used in ultra-high temperature wells where the bottomhole temperature exceeds 200℃.
    Q3: Can these cables be used in highly corrosive well environments?
    A3: Yes, they are highly suitable for corrosive environments containing H₂S, CO₂, and Cl⁻, thanks to their 316L or A825 stainless steel tube armoring.
    Q4: What is the maximum depth and tension limit for safe operations?
    A4: The maximum recommended well depth is 3000 meters. The cable has a breaking strength of 5.5kN and a maximum working tension limit of 2.75kN. Exceeding these limits, especially with tools weighing over 80kg, may cause immediate breakage.
    Q5: Are these cables suitable for horizontal and high-deviation directional wells?
    A5: They are suitable for vertical or low-deviation directional wells with build-up sections ≤ 45°. They are strictly inapplicable for high-deviation wells (>60°) or long-horizontal-section wells (horizontal section >500m).