The first data on the porous space structure of the Domanik shales as a potential object for EOR applying

The resources of shale oil, contained in the organic matter of the wood deposits, can be considered as a source of profitable production of hydrocarbons, when modern EOR technologies are used. As a result of the primary studies of the pore space structure, it is revealed that two types of porous spa...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-05, Vol.155 (1), p.12022
Main Authors: Kadyrov, R, Statsenko, E
Format: Article
Language:English
Subjects:
Cracks
Domanik
Enhanced oil recovery
EOR
Leaching
microCT
Oil recovery
Oil shale
Organic matter
Porosity
porous space
shale
Shale oil
source rock
unconventional resources
X-ray computed tomography
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Summary:The resources of shale oil, contained in the organic matter of the wood deposits, can be considered as a source of profitable production of hydrocarbons, when modern EOR technologies are used. As a result of the primary studies of the pore space structure, it is revealed that two types of porous space are prevailing in the studied samples of the Domanik oil shales. The most prevailing is intrakerogen porosity with pore volumes of 5 × 10-8 1 × 10-6 mm3. The volumetric reconstruction of the structure of this pore space shows that the voids are confined directly to micro lenses of organic matter. The second type of the found void is represented by leaching cracks. It is characteristic of more carbonate varieties of the Dominik oil shale with spotted structure. It is the oil shale intervals with such cracks that are of greatest interest to the EOR, since they consist of a large area with smaller pores and through which pressurization and spread of various agents are possible to occur in order to increase the oil recovery.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/155/1/012022