Mamzelyev D. Organizational-economic factors, which affects the development of oil-refining industry.

Object - the process of transformation of oil refining branch of Ukraine. The purpose - development of theoretical-methodological positions and development of practical recom-mendations on increase of efficiency functioning of a oil re-fining of branch of Ukraine.Methods - the analysis and synthesis, deduction and an induc-tion, classification, the system approach and the economic-statistical analysis, economical modelling and scientific abstraction. Novelty - for the first time is offered complex model of func-tioning oil company in branch structure of oil refining in Ukraine, including schemes of a production cycle, financial-investment streams, and also redistributions of a source of raw materials The results is to developed recommendations to in-crease the efficiency of functioning of oil refining branch. It is introduced - in practical activities of the enterprise of oil refin-ing branch and in commercial bank. Branch - management, financing