TY JOUR TI Methodological Aspects of the Development of Resource-Technological Models for the Formation of the Design Cost of Maintenance and Repair of Oil and Gas Equipment KW gas pumping unit KW the equipment KW maintenance and repair KW repair cycle KW resource and technological model KW cost JO Scientific Research and Development. Russian Journal of Project Management AU Siutin, D.A. AU Pahomov, S.V. PY 2020 IS 9 PB INFRA-M Academic Publishing LLC.