Modeling Synthetic Aperture Radar Signature Of
Agbabu Oil Sand For Petroleum Exploration
Author(s)
M. Ezeoke, K. Tong & S. Shi
Abstract
Accurate characterisation of oil sand terrain using airborne or satellite synthetic
aperture radar (SAR) requires prior determination of the radar signature of the
terrain. Here we investigate the SAR signature of Agbabu oil sands. Firstly,
the chemical characteristics of two strains of Agbabu oil sand samples are
determined using Fourier Transform Infrared (FTIR) spectroscopy in the nearinfrared
(NIR) and mid-infrared (MIR) regions (2.5–25μm). Spectroscopic
results of both hard oil sand (HOS) and viscous oil sand (VOS) are positive
when compared to common soil and oil sands from Canada. Thereafter, the
electrical properties of Agbabu oil sands are experimentally determined using a
coaxial probe technique for frequency varying from 1–8.5 GHz. The results
provide new information on the complex electrical permittivity *(ω) and loss
tangent, tan δ which exhibit an adequate Kramers–Krönig correlation between
real and imaginary permittivity for both VOS and HOS. Finally, the results from
the experiments are used to create computer simulation models to determine the
SAR radar signature of Agbabu oil sands which is then compared to other
materials such as iron and steel at L-, C- and X-band frequencies. The model
parameters include look angle θl = 20° to 90°, measured dielectric constant and
surface roughness ks.
Keywords: Agbabu oil sand, computer simulation, dielectric permittivity, oil
sand, petroleum exploration, synthetic aperture radar, SAR radar signature.
Keywords
Agbabu oil sand, computer simulation, dielectric permittivity, oil
sand, petroleum exploration, synthetic aperture radar, SAR radar signature.
Related Book
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