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Purpose: The high-temperature testing cable, combined with the high-temperature testing vehicle, is mainly used in multi-parameter testing of heavy oil production wells. This cable provides power to downhole instruments, transmits downhole instrument signals to the ground acquisition system, and is used to lift and pull instruments when lifting and lowering them. Due to the special structure of the cable (a whole capillary tube with high-temperature
cables inside), it can effectively seal the wellhead anti spray pipe. This cable can be used for temperature measure-ment in gas injection wells or observation wells if a thermocouple wire is threaded inside.
Due to its special structure, this cable can also be used in other direct reading tests.
