Experimental Research of Joint Influence of Salinization and Petroleum Pollution on Thermal Capacity of Frozen Ground

R.G. Motenko, E.S. Grechishcheva

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: M3-D

ABSTRACT: The majority of gas and petroleum fields are situated in permafrost zones, some of them Πon saline territories. Oil pollution of soils can occur in various ways: during the extraction, processing and storage, and there is a danger of leakage during transportation of oil and petroleum products. With oil producing pollution and salinization of soil often occurs at the same time. The sources of salts in this case are the formation fluid, commercial waste water, the contents of the granaries and other geochemically active substances used for the extraction and desalting crude oil. In addition, joint salinization and contamination can occur during rupture of oil on the saline areas, where the there are ways of oil transportation. Nowadays there are researches on properties of saline soils and on properties of soils polluted with petroleum. Currently there is no studies that describe changes of ground properties with joint pollution of salt and petroleum.

RÉSUMÉ: Actuellement, la plupart des gisements de pétrole et de gaz sont situés dans les régions froides, beaucoup d'eux - dans la diffusion des roches salines. La pollution des sols peut se produire de diverses manières: lors de l'extraction, de la transformation et du stockage, et il a le risque de fuite lors du transport de pétrole et des produits pétroliers. Lorsque la production de pétrole il ya souvent les cas où la pollution et en même temps la salinisation des sols se passe. Les sources de sels dans ce cas sont les fluides de formation, les eaux usées commerciales, le contenu des greniers et d'autres substances géochimique actives utilisées pour l'extraction et le dessalage du pétrole brut. En outre, la salinisation et la pollution commune peut se produire à la rupture de l'huile dans la distribution des sols salins, où il y a le transport routier de pétrole.

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