The aim of research: an assessment of technogenic changes of components of the natural environment in the impact zone of petrocrafts. Research problems: revealing technogenic transformations to the natural environment in the zone of direct technogenic influences (DTI) and outside of it; an assessment of technogenic variability of geosystems; development of protection of an environment actions on decrease technogenic loadings. The results of researches: the estimation of a condition of components of the natural environment in the impact zone of petrocrafts for the first time carried out; modelling emergency flood of oil carried out.