The article presents study results of terrigenous reservoirs of the Vereiskian horizon of Tatarstan. The sandstones and silty sandstones are composed by grains of quartz, feldspars, clay minerals and organic remains cemented ...

© 2020 IOP Publishing Ltd. All rights reserved. The article is devoted to the problem of discrepancy between the data of bearing capacity of piles, determined by the data of cone penetration tests (CPT) and static tests. ...

Research subject. This article analyses specific features of secondary transformations of quartz grains under the influence of water-oil fluids on the example of the Tulsky and Bobrikovsky oil-saturated quartz sandstones ...

© 2020 Published under licence by IOP Publishing Ltd. Natural and man-made conditions of the Nizhnekamskaya industrial zone are discussed in the article. This zone includes large petrochemical and oil refineries, PJSC ...

Volga oil shale in the Middle Volga region is a promising energy raw material for regional factories. Their heat of combustion varies from 1.6 to 9.0 MJ/kg, averaging 4.2-4.5 MJ/kg. The low calorific value of the fuel can ...

© 2020 IOP Publishing Ltd. All rights reserved. The article was described main types of rocks - mudstones, carbonate-siliceous rocks, containing organic matter and carbonate breccia, based on detailed analysis of rock ...

The article presents the results of the Volga oil shale study in the territory of Tatarstan and the Ulyanovsk region. It is shown that shales are polymineral rocks of complex composition. The main valuable component is ...

© 2020 IOP Publishing Ltd. All rights reserved. Authigenic ore mineralization of the Jurassic terrigenous complexes rocks, widespread in the Tatarstan, is considered. It has been established that the ore minerals associations' ...