1. Branch Ukrainian Scientific Research Institute of Natural Gases Joint Stock Company “Ukrgasvydobuvannya” , 20 Himnaziina Naberezhna str ., Kharkiv , Ukraine
2. Department of Oil and Gas Pipelines and Storage Facilities, Institute of Petroleum Engineering , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine
3. Department of Energy Management and Technical Diagnostics, Institute of Architecture, Construction and Power Engineering , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine
4. Joint Stock Company “Ukrgasvydobuvannya” , 26/28 Kudriavska str ., Kyiv , Ukraine
5. Department of Applied Mathematics, Institute of Information Technologies , Ivano-Frankivsk National Technical University of Oil and Gas , 15 Karpatska str ., Ivano-Frankivsk , Ukraine