Sergey Popov1, Sergey Chernyshov2,*, Evgeniy Gladkikh2
FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.3, pp. 619-634, 2023, DOI:10.32604/fdmp.2022.021936
- 29 September 2022
Abstract During oil and gas fields development, a decrease in reservoir and bottomhole pressure has often a detrimental effect on reservoir properties, especially permeability. This study presents the results of laboratory tests conducted to determine the response of terrigenous reservoir core-sample permeability to changes in the effective stresses and a decrease in the reservoir pressure. The considered samples were exposed for a long time to a constant high effective stress for a more reliable assessment of the viscoplastic deformations. According to these experiments, the decrease of the core samples permeability may reach 21% with a decrease More >
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