Photon-magnon response to fluid variability and saturation levels in sandstone reservoirs

Ali, A.M. and Rostami, A. and Yahya, N. (2020) Photon-magnon response to fluid variability and saturation levels in sandstone reservoirs. Journal of Geophysics and Engineering, 17 (6). pp. 1065-1074.

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Abstract

The need to recover high viscosity heavy oil from the residual phase of reservoirs has raised interest in the use of electromagnetics (EM) for enhanced oil recovery. However, the transformation of EM wave properties must be taken into consideration with respect to the dynamic interaction between fluid and solid phases. Consequently, this study discretises EM wave interaction with heterogeneous porous media (sandstones) under different fluid saturations (oil and water) to aid the monitoring of fluid mobility and activation of magnetic nanofluid in the reservoir. To achieve this aim, this study defined the various EM responses and signatures for brine and oil saturation and fluid saturation levels. A Nanofluid Electromagnetic Injection System (NES) was deployed for a fluid injection/core-flooding experiment. Inductance, resistance and capacitance (LRC) were recorded as the different fluids were injected into a 1.0-m long Berea core, starting from brine imbibition to oil saturation, brine flooding and eventually magnetite nanofluid flooding. The fluid mobility was monitored using a fibre Bragg grating sensor. The experimental measurements of the relative permittivity of the Berea sandstone core (with embedded detectors) saturated with brine, oil and magnetite nanofluid were given in the frequency band of 200 kHz. The behaviour of relative permittivity and attenuation of the EM wave was observed to be convolutedly dependent on the sandstone saturation history. The fibre Bragg Grating (FBG) sensor was able to detect the interaction of the Fe3O4 nanofluid with the magnetic field, which underpins the fluid mobility fundamentals that resulted in an anomalous response. © 2020 The Author(s) 2020. Published by Oxford University Press on behalf of the Sinopec Geophysical Research Institute.

Item Type: Article
Impact Factor: cited By 0
Uncontrolled Keywords: electromagnetic field; enhanced oil recovery; hydrocarbon reservoir; nanoparticle; sandstone; sensor
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 25 Mar 2022 02:48
Last Modified: 25 Mar 2022 02:48
URI: http://scholars.utp.edu.my/id/eprint/29737

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