Dongsheng Cable

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Specialized petroleum & exploration cables engineered for the world's most demanding downhole environments.

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Specialized logging & exploration cables

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GG1F46-4.0 1×0.56 F46-Insulated Stainless Steel Tube Armored Logging Cable TEC Cable

GG1F46-4.0 1×0.56 F46-Insulated Stainless Steel Tube Armored Logging Cable

The GG1F46-4.0 1×0.56 is a single-core logging cable built with a stranded soft copper conductor, F46 insulation and two layers of 316L stainless steel tube protection. Its compact 4.0 mm nominal diameter makes it suitable for downhole logging systems where a small cable profile and mechanical protection are required. The cable is specified for operation from -50°C to +232°C and has a rated tensile strength of 7 kN. The electrical specification includes a 300 VDC withstand voltage, insulation resistance of at least 500 MΩ·km at 20°C, DC resistance of no more than 33 Ω/km at 20°C, and capacitance of no more than 0.16 μF/km.

BGPLS-4×0.22mm 316L Stainless Steel Armored Signal Cable TEC Cable

BGPLS-4×0.22mm 316L Stainless Steel Armored Signal Cable

The BGPLS-4×0.22mm 316L Stainless Steel Signal Cable is designed for industrial applications where stable signal transmission, mechanical protection, and temperature resistance are required. Featuring a 316L stainless steel tube structure, polyurethane insulation, and high-strength copper conductors, this cable provides reliable protection for sensitive electrical signals in demanding operating conditions. Its compact structure and flexible design make it suitable for applications such as industrial sensors, automation equipment, instrumentation systems, and measurement devices that require long-term operational stability.

8.0 mm Armored Logging Cable Logging Cable

8.0 mm Armored Logging Cable

The 8.0 mm Armored Logging Cable is a load-bearing wireline cable designed for downhole logging operations. The cable uses a stranded copper conductor, modified polypropylene (PP) insulation, two layers of steel wire armor and a modified polypropylene outer jacket. The combination of electrical insulation and mechanical reinforcement allows the cable to perform two jobs at the same time: transmitting electrical signals and supporting the downhole tool string. With an 8.0 mm nominal diameter, the cable provides a compact construction while maintaining a specified 11 kN tensile strength. Its operating temperature range is -30°C to +150°C, with a specified pressure resistance of 80 MPa. The dual steel-wire armor is particularly important in wireline applications. It protects the internal conductor from mechanical damage and provides the load-bearing structure needed during cable deployment and retrieval.

3-Conductor Logging Cable (W3BP-5.6) Logging Cable

3-Conductor Logging Cable (W3BP-5.6)

Engineered for reliable downhole signal transmission and power supply. The W3BP-5.6 is a 3-conductor wireline cable built for routine open-hole and cased-hole logging operations. With a 5.6mm outer diameter and a modified polypropylene (B) insulation, it balances cost-efficiency with stable performance in standard well environments. The overall shield (P) helps mitigate electrical interference, ensuring clean data transmission from downhole tools to the surface system.

Wireline Logging Cable Logging Cable

Wireline Logging Cable

Logging Cable Characteristics of Logging Cable: A wireline logging cable serves as the vital mechanical tether and digital artery for well intervention. It is engineered to accurately suspend, convey, and support downhole logging tools (sondes) to the targeted depth within the borehole. Acting as a secure dual-purpose link, it simultaneously transmits continuous electrical power and high-fidelity real-time sensor data between the downhole equipment and the surface data acquisition system. We offer a comprehensive range of configurations, including 3-Conductor (W3BP), 4-Conductor (W4B), and 7-Conductor (W7BPP) series. For ultra-deep and heavily loaded operations, our High-Strength HS series is designed to withstand the harshest physical demands.

Tubing Encapsulated Cable TEC Cable

Tubing Encapsulated Cable

High-Performance Tubing Cable (TEC Cable) Characteristics of Tubing Cable (TEC Cable): Our TEC cable provides continuous power supply and high-fidelity communication for downhole logging tools, sensors, and instruments, suitable for oil, gas, and geothermal wells in complex environments. Unlike conventional logging cables, the core of the TEC cable uses precision-insulated conductors (ranging from 8 AWG to 18 AWG, available in solid or stranded configurations) and can integrate optical fiber units for hybrid data transmission.

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