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Xi'an Well-sun Electronic Technology PLC
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Well-Sun - Model PLT -Wireline Telemetry Cartridge for Surface System and Downhole Communication

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The Wireline Telemetry Cartridge from Well-Sun serves as an intelligent interface between surface systems and downhole tools in logging operations. It integrates cable bus and tool bus interfaces, a master controller, and a step-down DC-DC power supply. The data acquisition system (DAS) retrieves data through the tool bus, packages it, and sends it to the surface panel via the cable bus interface. Additionally, the DAS can send data to the telemetry cartridge, allowing for control and configuration of the cartridge and logging tools, which facilitates full-duplex communication. Technical specifications include a maximum operating temperature of 175°C, pressure endurance up to 100MPa, and an adjustable transmission rate ranging from 50 kbps to 200 kbps. The system also features automatic identification of logging tools and can convert high voltage from the cable bus to a lower voltage for the tool bus using a DC-DC module. Power specifications include a maximum of 200VDC and 2200mA. This tool is primarily used to acquire tool data, control tools, and ensure reliable communication between the surface system and downhole instruments.
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The Wireline Telemetry Cartridge is an intelligent bridge between the surface system and downhole tools. It mainly consists of cable bus and tool bus interfaces, the master controller and step-down DC-DC power supply. The data is acquired and packed via tool bus, and then sent to surface panel via cable bus interface. The DAS sends data to the telemetry cartridge simultaneously to configure or control the cartridge and logging tools, achieving full-duplex communication between the surface system and the telemetry cartridge.

  • Acquire tool data and control tools via tool bus
  • Perform full-duplex communication with the surface system
  • Convert high voltage on cable bus into lower voltage for tool bus via DC-DC module
  • Auto identification of logging tools combined
  • Full-duplex communication with high reliability
  • Adjustable transmission rate of cable bus (50kbps-200kbps)
  • Bigger power (17.5V @ 2200mA)