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[References: 15 tit.]

In the article, the practical application and the structure of the correlation leak detectors' software is studied and the task of its designing is analyzed. In the first part of the research paper, the expediency of the facilities development of correlation leak detectors for the following operating efficiency of public utilities exploitation is shown. The analysis of the functional structure of correlation leak detectors is conducted and its program software tasks are defined. In the second part of the research paper some development steps of the software package - requirement forming, program structure definition and software concept creation - are examined in the context of the usage experience of the hardware-software prototype of correlation leak detector.