Production Logging Tool (PLT)

Definition - What does Production Logging Tool (PLT) mean?

A Production Logging Tool is any instrument that is used in the preparation of production logs. These tools are run through wells that are complete and ready to operate. These tools help in analyzing the dynamic well performance and also determine the contribution of each zone (in case of co-mingled stacked sands or multiple zones) in the total production or injection. They also help in allocating production of hydrocarbons on zone by zone basis. Any faults such as leaks or cross flows in the oil or gas producing wells can be diagnosed by looking at the production logs.

Petropedia explains Production Logging Tool (PLT)

Production logging tools are run down the wellbore and record the behavior and nature of fluids inside the well during production or injection. Once the logs are prepared, dynamic analysis of well performance is done at different production zones. The logs are also used to monitor the results when well stimulation is performed. Production Logs are produced for all types of wells (vertical, deviated or horizontal). The production logging tools used are modular and can be combined with array of sensors that logs the production data. These tools provide real-time production data and generate logs at continuous intervals during the production. Some of the tools used include:

  • Full bore flow meters
  • Inline flow meters
  • Basket flow meters
  • Continuous flow meters

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