Classification of Poorly Recoverable Oils and Analyis of Their Quality Characteristics

Yashchenko, I. G.; Polishchuk, Yu. M.

doi:10.1007/s10553-016-0727-9

Cited by 4 publications

(1 citation statement)

References 2 publications

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“…Moreover, the maximum values of viscosity are characteristic of the transition from one geological era to another. This may be the result of the influence of transgressions and regressions of the world ocean [13].…”

Section: Introductionmentioning

confidence: 99%

Microwave Radiation Impact on Heavy Oil Upgrading from Carbonate Deposits in the Presence of Nano-Sized Magnetite

et al. 2021

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The present paper reports experiments on microwave heating of a carbonate oil-containing rock sample in the presence and absence of an iron-magnetite-based nanocatalyst. It has been shown that the used catalyst improves the processes of destructive hydrogenation of resins and asphaltenes compounds in the oil. The chemical reactions analysis demonstrated a decrease in asphaltenes content and in their molecular weight, which increases the filtration capacity of the oil fluid in the reservoir rock porous medium. Moreover, the content of non-extractable organic matter in the rock sample after experiments and after oil extraction was determined. It has been found that the absence of the catalyst causes the least increase in the content of non-extractable organic matter in the rock. This fact is related to the intensive processes of resinous-asphaltene compounds destruction especially at the level of peripheral groups which are the most condensed fraction, and hence leads to a decrease in their solubility in the organic medium and eases their adsorption on the mineral skeleton surface.

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Section: Introductionmentioning

confidence: 99%

Microwave Radiation Impact on Heavy Oil Upgrading from Carbonate Deposits in the Presence of Nano-Sized Magnetite

et al. 2021

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Ecological risks of the impact of associated gas flaring on the environment

Alekseeva¹,

Yashchenko²

2019

Proceedings of the International Conference on Advanced Materials With Hierarchical Structure for New Technologies and Reliable

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Analysis of change in the physico-chemical properties of oils depending on the depth and features of deep oils

2021

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The article is devoted to the urgent problem of studying the features of the properties of poorly studied oils at great depths (more than 4,500 m), the need for development of which is caused by a reduction in oil production in traditional oil producing provinces. A study was made of changes in the physicochemical properties and occurrence conditions of oils depending on the depth, which made it possible to clarify the quantitative patterns of changes in the physicochemical properties of oils at different depths and to reveal features of the properties of poorly studied deep-seated oils. The studies used information on 21067 oil samples from 167 oil-bearing basins of the world, obtained from the database on the physicochemical properties of oils. It has been shown that in different oil-bearing basins the density and viscosity of oils decreases with depth. The content of sulfur, resins and asphaltenes also decreases with depth, and the content of light fractions and oil gas increases. The paraffin content increases to a depth of 3-4 km, and then decreases with increasing depth. The features of the physicochemical properties of deep-seated oils have been established, which are manifested in a decrease in the density and viscosity of oils, in a decrease in the content of sulfur and asphalt-resinous substances, and in an increase in the content of light fractions and oil gas. The results of geological modeling of changes in the stress state of rocks associated with the displacement of the foundation blocks due to tectonic processes are considered. It has been shown that at the edges of the downing tectonic blocks at the boundary of the sedimentary cover and the basement, zones of minimum pressure (decompression zones) are formed. The lightest hydrocarbons migrate along the faults into the decompression zones, forming deep-seated hydrocarbon deposits, what can serve as a justification for the features of the properties of deep-seated oils established in the work.

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Classification of Poorly Recoverable Oils and Analyis of Their Quality Characteristics

Cited by 4 publications

References 2 publications

Microwave Radiation Impact on Heavy Oil Upgrading from Carbonate Deposits in the Presence of Nano-Sized Magnetite

Microwave Radiation Impact on Heavy Oil Upgrading from Carbonate Deposits in the Presence of Nano-Sized Magnetite

Ecological risks of the impact of associated gas flaring on the environment

Analysis of change in the physico-chemical properties of oils depending on the depth and features of deep oils

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