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Estimation of Seismic Wave Attenuation from 3D Seismic Data: A Case Study of OBC Data Acquired in an Offshore Oilfield

Author

Listed:
  • Fateh Bouchaala

    (Department of Earth Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates)

  • Mohammed Y. Ali

    (Department of Earth Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates)

  • Jun Matsushima

    (Department of Environment Systems, The University of Tokyo, Tokyo 113-8654, Japan)

  • Youcef Bouzidi

    (Department of Earth Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates)

  • Mohammed S. Jouini

    (Department of Mathematics, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates)

  • Eric M. Takougang

    (Department of Physics, University of Buea, Buea 99999, Cameroon)

  • Aala A. Mohamed

    (Department of Earth Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates)

Abstract

Previous studies performed in Abu Dhabi oilfields, United Arab Emirates, revealed the direct link of seismic wave attenuation to petrophysical properties of rocks. However, all those studies were based on zero offset VSP data, which limits the attenuation estimation at one location only. This is due to the difficulty of estimating attenuation from 3D seismic data, especially in carbonate rocks. To overcome this difficulty, we developed a workflow based on the centroid frequency shift method and Gabor transform which is optimized by using VSP data. The workflow was applied on 3D Ocean Bottom Cable seismic data. Distinct attenuation anomalies were observed in highly heterogeneous and saturated zones, such as the reservoirs and aquifers. Scattering shows significant contribution in attenuation anomalies, which is unusual in sandstones. This is due to the complex texture and heterogeneous nature of carbonate rocks. Furthermore, attenuation mechanisms such as frictional relative movement between fluids and solid grains, are most likely other important causes of attenuation anomalies. The slight lateral variation of attenuation reflects the lateral homogeneous stratigraphy of the oilfield. The results demonstrate the potential of seismic wave attenuation for delineating heterogeneous zones with high fluid content, which can substantially help for enhancing oil recovery.

Suggested Citation

  • Fateh Bouchaala & Mohammed Y. Ali & Jun Matsushima & Youcef Bouzidi & Mohammed S. Jouini & Eric M. Takougang & Aala A. Mohamed, 2022. "Estimation of Seismic Wave Attenuation from 3D Seismic Data: A Case Study of OBC Data Acquired in an Offshore Oilfield," Energies, MDPI, vol. 15(2), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:534-:d:723263
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    References listed on IDEAS

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    1. Yahua Yang & Xingyao Yin & Bo Zhang & Danping Cao & Gang Gao, 2021. "Linearized Frequency-Dependent Reflection Coefficient and Attenuated Anisotropic Characteristics of Q-VTI Model," Energies, MDPI, vol. 14(24), pages 1-18, December.
    2. Umara Khan & Ron Zevenhoven & Lydia Stougie & Tor-Martin Tveit, 2021. "Prediction of Stirling-Cycle-Based Heat Pump Performance and Environmental Footprint with Exergy Analysis and LCA," Energies, MDPI, vol. 14(24), pages 1-12, December.
    3. Kexing Li & Bowen Chen & Wanfen Pu & Xueqi Jing & Chengdong Yuan & Mikhail Varfolomeev, 2021. "Characteristics of Viscoelastic-Surfactant-Induced Wettability Alteration in Porous Media," Energies, MDPI, vol. 14(24), pages 1-13, December.
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