Nisar Ahmed | University of Stavanger

Nisar Ahmed

51831175

Faculty of Science and Technology
Department of Energy Resources

Publications

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Vitenskapelige publikasjoner
- Ul-Haq, Ehsan; Youliang, Ji; Ullah, Hadayat; Shahzad, Khurram; Ahmed, Nisar; Mashwani, Saad Ahmed; Zaheer, Muhammad
  
  (2023)
  Architectural complexities and morphological variations of the indus fan and its elements: Understanding of the turbidite system through seismic characterization.
  Marine and Petroleum Geology.
  
  ISSN 0264-8172.
  
  Volum 150.
  
  DOI: 10.1016/j.marpetgeo.2023.106103
- Ahmed, Nisar; Weibull, Wiktor Waldemar; Grana, Dario; Bhakta, Tuhin
  
  (2023)
  Constrained nonlinear amplitude-variation-with-offset inversion for reservoir dynamic changes estimation from time-lapse seismic data.
  Geophysics.
  
  ISSN 0016-8033.
  
  Volum 89.
  
  Hefte 1.
  
  s.1-65.
  
  DOI: 10.1190/geo2022-0750.1
- Ahmed, Nisar; Weibull, Wiktor Waldemar; Grana, Dario
  
  (2022)
  Constrained non-linear AVO inversion based on the adjoint-state optimization.
  Computers & Geosciences.
  
  ISSN 0098-3004.
  
  Volum 168.
  
  DOI: 10.1016/j.cageo.2022.105214
- Ahmed, Nisar; Weibull, Wiktor Waldemar; Quintal, Beatriz; Grana, Dario; Bhakta, Tuhin
  
  (2022)
  Frequency-dependent AVO inversion applied to physically based models for seismic attenuation.
  Geophysical Journal International.
  
  ISSN 0956-540X.
  
  Volum 233.
  
  Hefte 1.
  
  s.234-252.
  
  DOI: 10.1093/gji/ggac461
- Ahmed, Nisar; Ahmad, Mubasher; Khan, Khalid Amin; Weibull, Wiktor Waldemar; Khalid, Perveiz
  
  (2021)
  AVA-anisotropy: spreadsheets program to model the variation of P-wave reflectivity with angle in VTI, HTI, and orthorhombic media.
  Arabian Journal of Geosciences.
  
  ISSN 1866-7511.
  
  Volum 14.
  
  DOI: 10.1007/s12517-021-07028-z
- Akram, Naveed; Ahmed, Nisar; Khan, Muhammad S; Ehsan, Muhammad S; Gul, Muhammad A; Ahmad, Mubasher
  
  (2020)
  
  Reservoir Characterization by using Petrophysical-Electrofacies Analyses and Subsurface Structural Interpretation of the Nandpur Gas Field, Middle Indus Basin, Pakistan.
  
  Himalayan Geology.
  
  ISSN 0971-8966.
  
  Volum 41.
  
  Hefte 2.
  
  s.208-221.
Bøker og kapitler
Formidling
- Ahmed, Nisar; Weibull, Wiktor Waldemar
  
  (2022)
  
  Gradient Descent Optimization Method for AVO Inversion in Viscoelastic Media.
  
  83rd EAGE Annual Conference & Exhibition;
  
  2022-06-05 - .
- Ahmed, Nisar; Weibull, Wiktor Waldemar
  
  (2020)
  
  Estimation of Seismic Response by AVO Inversion due to Changes in Oil-Saturation and Pressure during Production.
  
  European Association of Geoscientists and Engineers (EAGE) 2020;
  
  2020-12-08 - 2020-12-11.
Kunstnerisk produksjon
Kommersialisering