Abstract
The study of relationships governing the variability of chemical composition of the Eurasian oils has been carried out on the basis of the statistical processing of the data on contents of total sulfur, resins,<br />paraffin wax and asphaltenes in oils. These indices are considered as the principal chemicals of oils chemical composition. The data processed for Eurasian continent was chosen from database on petroleum chemistry, which is create by Institute of Petroleum Chemistry of Siberian Branch of Russian Academy of Sciences and nowadays includes more than 9,000 entries of oil physical-chemical data on all main world oil-bearing basins. Latitudinal and longitudinal dependencies of the above indices of oils chemical composition were studied by methods of statistical and cluster analyses and means of geographical information system (GIS) ArcView 3.1. The results of these studies are represented on the computer maps. It is shown that properties of oils are statistically inhomogeneous in Eurasia depending on geographic position. In average, contents of total sulfur, resins and asphaltenes in crude oil increase in direction from<br />east to west. But the analysis doesn’t reveal longitudinal dependence of paraffin content, only a latitudinal dependence. In average, paraffin wax content in oils increases in direction from north to south. From the<br />analysis of the results of geozoning of oil-bearing territories using the whole complex of indices, the zones of oils that are homogenous by their properties was revealed. The results obtained may be used to solve the<br />problems of a rational use of hydrocarbon resources, in particular:<br />a) siting the oil-refining and petrochemical enterprises, b) developing the regional nets of a rational transporting of hydrocarbons and petroleum products.
Highlights
In accordance with the experts’ evaluation, the natural gas, crude oil and coal will be the principal energetic resources in the first half of the 21st century
The main purpose of this paper is to investigate the spatial variability of petroleum properties for oil-bearing basins of Eurasia
It is revealed that properties of oils are statistically inhomogeneous in Eurasian territory depending on geographic position of oil-bearing basin
Summary
In accordance with the experts’ evaluation, the natural gas, crude oil and coal will be the principal energetic resources in the first half of the 21st century. It is expected [1] that the oil part of the world energy balance will be about 30% to the end of the first decade of the 21st century. Geographical regularities of oil resource distribution in the world are enough studied. Regional variability of physical and chemical properties of crude oils hasn’t been studied enough. There are some problems decision of which needs information about regional regulatory of petroleum properties. One of the important problems is to determine the rational ways of oil trans-
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