This study guide is intended to students of speciality “5B072100 – Chemical technology of organic substances” . The present study guide is developed according to the Curriculum and Standard study program of discipline “Chemistry and Physics of Oil and gas” for students of specialty 5B072100- Chemical technology of organic substances. In Guide the basic concepts of chemistry and physics of oil and gas, modern ideas about oil as a dispersed system are considered.The classification, elemental, chemical composition of oil, modern analytical methods, and oil refining and gas processing development are discribed. Outlines the main hypotheses of the origin of oil and gas. The main classes of hydrocarbons included in the composition of oil and gas, as well as heteroatomic, asphaltene-resinous compounds of oil are discussed.