Experimental and digital investigations of heterogeneity in lower cretaceous carbonate reservoir using fractal and multifractal concepts: Scientific Reports

M.S. Jouini, A.O. Alabere, M. Alsuwaidi, S. Morad, F. Bouchaala, O.A. Al Jallad

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Characterization and prediction of reservoir heterogeneity are crucial for hydrocarbon production. This study applies the multifractal theory using both numerical and experimental data to characterize quantitatively the heterogeneity of pore structures in Lower Cretaceous limestone reservoir from the United Arab Emirates. Fractal dimensions calculated from three dimensional digital images showed good correlation (R2 = + 0.69) with experimental high-pressure mercury injection (HPMI) measurements. Moreover, both experimental and numerical fractal dimensions correlate well with experimental HPMI porosity measurements. Multifractal parameters such as the non-uniformity degree of the pore structures Δα, the asymmetry degree in the vertical axis Δf(α), the concentration of pore size distribution α0 and the asymmetry degree in the horizontal axis Rd estimated from digital and experimental data correlated well and revealed ability to quantitatively describe samples heterogeneity. The ranges of digital and experimental multifractal parameters provided the means to differentiate between homogeneous and heterogeneous samples. © 2023, The Author(s).
Original languageBritish English
JournalSci. Rep.
Volume13
Issue number1
DOIs
StatePublished - 2023

Keywords

  • carbonic acid
  • hydrocarbon
  • limestone
  • mercury
  • article
  • controlled study
  • hyperbaric pressure
  • Lower Cretaceous
  • pore size distribution
  • porosimetry
  • prediction

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