Abstract:
The review considers the present state of research on petroleum hydrocarbons and presents the results of studies on the individual hydrocarbons in various fractions of petroleum as well as individual types of petroleum hydrocarbons; in some cases, the possible pathways to the formation of the hydrocarbons are considered. The general characteristics of the distribution of hydrocarbons in petroleum are discussed and certain features of further research on petroleum hydrocarbons are outlined. The bibliography includes 85 references.