Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
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Wireline Logging Cable With Steel Armor For Deep Borehole
Wireline logging cable is a specialized cable used in borehole inspections to lower logging tools into the wellbore and retrieve data on subsurface formations. The cable is typically made of steel wires armored, copper inside
Strength: Wireline logging cable must be able to withstand the weight of the logging toolstring as well as the tension generated during logging operations. Therefore, the cable is designed to have high tensile strength and flexibility.
Durability: Wireline logging cable must be able to withstand the harsh conditions of the wellbore environment, including high temperatures, corrosive fluids, and abrasive particles. Therefore, the cable is typically coated with a layer of protective material to improve its durability and resistance to wear and tear.
Conductivity: Wireline logging cable serves as a conduit for transmitting electrical signals between the logging tools and the surface equipment. Therefore, the cable must have good electrical conductivity to ensure accurate data transmission.
Diameter: The diameter of wireline logging cable is typically 4.7mm, 5.6mm, 6.4mm, 8mm.depending on the size of the borehole and the weight of the logging tools.
Parameter
| Construction | |
| Copper Construction | 19×0.26 mm |
| Insulation F46 | 0.35 mm |
| Protection F40 | 0.32 mm |
| Armor Inner | 12×0.79 mm(916N) |
| Outer | 18×0.79 mm(916N) |
| Physical | |
| Cable Diameter | 5.60 mm±0.10 mm |
| Cable Weight in Air | 145 kg/km |
| Temp Rating | 232 ℃ |
| Mechanical | |
| Cable Breaking Strength | 25 kN |
| Minimum Shave Diameter | 320 mm |
| Cable Stretch Coefficient | 2.5 m/km/5kN |
| Electrical | |
| Voltage Rating | 1200 VDC |
| Insulation Resistance | 15000 MΩ·km |
| Resistance Typical | 18.0 Ω/km |
| Capacitance @ 1 kHz | 190 pf/m |
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