The Well Logging Converter is a key interface device used in the oil logging industry to connect multi-core logging cables with single-core logging cables. The main function of this connector is to convert and physically adapt multiple power supply, data and control signals from traditional multi-core cables through internal circuits, compress or encode and decode them, and then transmit them through a single-core cable, achieving communication, power supply and signal acquisition between ground and downhole tools.
In practical engineering applications, it can:
◆ Achieve "one core with multiple uses", that is, to transmit multiple signals through a single-core cable.
◆ In complex well conditions (such as horizontal wells, deep wells, and small boreholes), reduce the diameter of the cable, enhance its flexibility, and lower the resistance when going down the well.
◆ Save cable costs, simplify winches and wellhead equipment, and improve operational efficiency.
Core function- Convert multi-cable systems (such as 13-core) into single-core cable systems for signal transmission.
Well Logging Converter Operating Principle
◆ Physical Connection & Adaptation
-Multi-core cable connectors (such as 13-core) are connected to the connector body through threaded and sealed structures, and each core wire is respectively connected to the internal circuit or adapter pins.
-The single-core cable end is connected to underground instruments or surface equipment through another interface.
◆ Signal Encoding, Decoding & Transmission
-The built-in circuit of the connector encodes, modulates or multiplexes multiple signals (such as power, data, instructions), compressing the signals into one.
-The signal is transmitted down through a single-core cable, and then the underground instruments decode and restore it to multiple signals through the corresponding interface, achieving power supply, data acquisition, and two-way communication.
◆ Power Supply & Communication are isolated
-Using DC-blocking capacitors, inductors, and power modules to isolate DC power from AC communication signals, preventing interference and enhancing stability.
-The communication adopts half-duplex/full-duplex mode to enhance transmission efficiency.
◆ Sealing & Protection
-The dual sealing structure (external sealing + internal sealing) protects the internal circuit from well fluid, high pressure and high temperature intrusion, ensuring long-term reliable operation.
Our Well Logging Converter
Well Logging Converter Advantage
High compatibility–13-pin tools can be directly connected to single-core control or acquisition systems, minimizing retrofit costs.
Easy installation– Threaded or crimp connections enable fast field wiring.
High reliability– Excellent electrical performance, anti-vibration and leak-proof design suited to harsh downhole conditions.
Compact & lightweight–Minimal space demand, ideal for dense cabling and mobile operations.
Well Logging Converter Appliations
The A-One Oil Well Logging Converter main applications are as follows:
Tool-string connection and combination–Multi-conductor tool strings from various manufacturers and models can be linked to single-conductor cable via adapter subs, ensuring full compatibility.
Production / injection logging–Deployed in cased-hole operations for pressure, temperature, flow, etc.; single-conductor cable offers greater flexibility.
Horizontal, deviated and slim-hole logging–The high flexibility of single-conductor cable allows easy passage through curved sections; adapter subs enable logging under complex well conditions.
Interfacing special tools with multi-conductor equipment–When multi-cable logging tools must be run on single-conductor cable, rapid field conversion is possible.
Conclusion
The Well Logging Converter is a key component in oil-well logging that bridges multi-conductor and single-conductor systems. Internally it consolidates individual wires and uses threaded or crimped mechanical contacts to deliver reliable signal transmission and power supply. Thanks to its broad compatibility, simple installation, and high reliability, it is widely used in laboratories, production lines, and rapid field commissioning. Its main limitations are the current-carrying capacity of the single conductor and its environmental protection rating, so selection and additional protection must be tailored to the operating conditions. Overall, the adapter significantly increases the flexibility of logging systems and reduces retrofit costs, making it an indispensable conversion node in modern logging tool strings.
Welcome to contact us to learn more about our tools via e-mail info@a-oneoil.com
