A brief description of the main technological solutions applied while oil and gas wells` filter liners casing processes was given. The main risks and difficulties encountered during their applications were described. It was determined that such well casing methods do not provide successful liners` running to the project depth and require significant additional costs for their application. Based on the system analysis with taking into account the mininggeological and technical-technological conditions of wells filter liner casing on the fields of JSC «Ukrgazvydobuvannya», innovative national liner-hangers ПХН-ВГ-127/178 ВІФ type have been designed. These tools provide the possibility of filter liners running along with rotation, and if necessary, reaming of the wellbore complicated intervals with circulation through the guide shoe. These tools` design ensures the liner`s anchor suspension and the packer`s sealing of the along with the adapted independent duplex technology disconnecting system of the running string from the liner-hanger. The main technical parameters of the ПХН-ВГ-127/178 ВІФ equipment set were described, a brief description of its functionality and application algorithm were provided. The advantages of the ПХН-ВГ-127/178 ВІФ equipment set over basic technological solutions are shown. According to the engineering and design decisions and tests` results, as well as on the basis of JSC«Ukrgazvydobuvannya» fields` implementation, the high efficiency, operational processibility and reliability of the ПХН-ВГ-127/178 ВІФ equipment set have been confirmed. When applying this equipment, wells` filter liners casing processes is successful, that confirms its high efficiency and technological expediency for further application
Received 26.10.2022
Revised 18.01.2023
Accepted 27.02.2023
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