会议论文详细信息
Thermal EOR International Workshop III: "Thermal Methods for Enhanced Oil Recovery: Laboratory Testing, Simulation and Oilfields Applications"
Changes in the material composition of fluid seals of bitumen deposits during thermal effects on the productive formation
Sitdikova, L.^1 ; Khasanova, N.^1 ; Sidorova, E.^1
Kazan Federal University, 18 Kremlevskaya Str., Kazan, Russia^1
关键词: Filtration characteristics;    Hydrocarbon deposits;    Hydrocarbon reservoir;    Material compositions;    Seal rock;    Thermal methods;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/282/1/012001/pdf
DOI  :  10.1088/1755-1315/282/1/012001
来源: IOP
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【 摘 要 】

Fluid seals are the most important element of oil fields, because they prevent the spread and dispersion of hydrocarbons and contribute to the preservation of deposits. The role of the fluid seals increases in the later stages of oil field development, especially when using thermal methods of intensification. As a result, changes in the mechanical, mineralogical, and lithological properties of the fluid seal rocks can occur. The deposits of natural bitumen of the Volga-Ural petroleum province are a complex geological and geochemical object. The degree of preservation of hydrocarbon deposits is determined by the filtration characteristics of the fluid seal. The composition of the fluid seals is represented by dense clay components of the rock. The use of thermal or steam-thermal methods of exposure to hydrocarbon reservoirs, primarily affects the minerals-indicators (clay minerals of cement collectors). The results of thermal effects on the reservoir can lead to changes in the material composition, parameters of porosity and permeability of the fluid seal rocks: The clay component is destroyed with the active participation of organic matter.

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