Lithological Characterization by Simultaneous Seismic Inversion in Algerian South Eastern Field
The main goal of this paper is to characterize a reservoir situated in the southeast of Algeria based on AVO seismic inversion. The seismic inversion model has been built by the iterative method of Aki and Richards’s approximation and it has been correlated with four-existing wells in the studied zone. The correlation rate between the inversion model and logging data is good (varying from 72% to 85%). Reservoir characterization of this field has been given in detail. The lithological description is used to construct a Geomechanical model that is useful for new wells’ drilling decisions. The high correlated results allowed us to have a vision on the horizontal variation of Petrophysical parameters such as density and lithological variation of three facies clay, tight limestone, and porous limestone. Moreover, this classification is used in the best way to determine the interesting zone with higher porosity values, so that the exploration strategy becomes more efficient with minimized uncertainties. Therefore, it is highly recommended to use the constructed model to propose new wells as well-5 in this study.
Keywords:AVO seismic inversion, reservoir evaluation, Aki and Richards approximation, lithological description, Algerian field, exploration strategy
B. Goodway, M. Perez, J. Varsek, C. Abaco, “Seismic petrophysics and isotropic-anisotropic AVO methods for unconventional gas exploration”, The Leading Edge, Vol. 29, No. 12, pp.1500-1508, 2010 DOI: https://doi.org/10.1190/1.3525367
Y. Wang, “Seismic amplitude inversion in reflection tomography”, in: Handbook of geophysical exploration: seismic exploration, Vol. 33, Pergamon, 2003
P. Chen, E. J. Lee, Full-3D seismic waveform inversion: theory, software and practice, Springer, 2015 DOI: https://doi.org/10.1007/978-3-319-16604-9
M. Sengupta, J. Dai, S. Volterrani, N. Dutta, N. S. Rao, B. Al-Qadeeri, V. K. Kidambi, “Building a seismic-driven 3D geomechanical model in a deep carbonate reservoir”, in: SEG Technical Program Expanded Abstracts, SEG San Antonio Annual Meeting, pp. 2069-2073, SEG, 2011 DOI: https://doi.org/10.1190/1.3627616
X. Xao, T. Jenakumo, C. Ash, H. Bui, O. Fakunle, S. Weaver, “An integrated workflow combining seismic inversion and 3D geomechanics modeling: Bonga Field, Offshore Nigeria”, Offshore Technology Conference, Houston, USA, 2-5 May, 2016 DOI: https://doi.org/10.4043/27108-MS
H. B. Russell, “Prestack seismic amplitude analysis: An integrated overview”, Interpretation, Vol. 2, No. 2, pp. SC19-SC36, 2014 DOI: https://doi.org/10.1190/INT-2013-0122.1
R. P. Bording, “Seismic wave propagation: modeling and inversion”, in: Seismic modeling and imaging with the complete wave equation, Society of Exploration Geophysicists, 1997 DOI: https://doi.org/10.1190/1.9781560801870
M. Fohrmann, I. A. Pecher, “Analysing sand-dominated channel systems for potential gas-hydrate-reservoirs using an AVO seismic inversion technique on the Southern Hikurangi Margin, New Zealand”, Marine and Petroleum Geology, Vol. 38, No. 1, pp. 19-34, 2012 DOI: https://doi.org/10.1016/j.marpetgeo.2012.08.001
L. Giroldi, B. Wallick, A. Rodriguez-Herrera, N. Koutsabeloulis, D. Lowden, “Applications of broadband seismic inversion in the assessment of drilling and completion strategies: A case study from eastern Saudi Arabia”, 2014 SEG Annual meeting, Denver, USA, October 26-31, 2014 DOI: https://doi.org/10.1190/segam2014-1358.1
S.A. Ouadfeul, L. Aliouane, S. Eladj, “Multiscale analysis of geomagnetic data using the continuous wavelet transform: A case study from Hoggar (Algeria)”, in: SEG technical program expanded abstracts 2010, pp. 1222-1225, Society of Exploration Geophysicists, 2010 DOI: https://doi.org/10.1190/1.3513065
S. A. Ouadfeul, L. Aliouane, M. Hamoudi, A. Boudella, S. Eladj, “Multiscale analysis of geophysical signals using the 2D continuous wavelet transform”, in: Wavelet transforms and their recent applications in Biology and Geosciences”, Scitus Academics LLC, 2012 DOI: https://doi.org/10.5772/35307
Y. Wang, Seismic inversion: theory and applications, Wiley Blackwell, 2017 DOI: https://doi.org/10.1002/9781119258032
J. Ferahtia, T. Aifa, K. Baddari, N. Djafour, S. Eladj, “Image-based processing techniques applied to seismic data filtering”, Journal of Petroleum Science and Engineering, Vol. 104, pp. 17-26, 2014 DOI: https://doi.org/10.1016/j.petrol.2013.03.026
N. Djafour, J. Ferahtia, F. Babaya, K. Baddari, S. Eladj, M. Farfour, “Seismic noise filtering based on generalized regression neural networks”, Computers and Geosciences, Vol. 69, pp. 1-9, 2014 DOI: https://doi.org/10.1016/j.cageo.2014.04.007
C. Convers, Prediction of reservoir properties for Geomechanical analysis using 3-D seismic data and rock physics modeling in the Vaca Muerta Formation, Neuquen Basin, Argentina, MSc Thesis, Colorado School of Mines, 2017
M. Z. Doghmane, B. Belahcene, M. Kidouche, “Application of improved artificial neural network algorithm in hydrocarbons’ reservoir evaluation”, in: Lecture notes in networks and systems, Vol. 62, Renewable energy for smart and sustainable cities: artificial intelligence in renewable energetic systems, pp. 129-138, Springer, 2019
K. Duffaut, M. Landro, “Vp∕Vs ratio versus differential stress and rock consolidation: A comparison between rock models and time-lapse AVO data”, Geophysics, Vol. 72, No. 5, pp. C81-C94. 2007 DOI: https://doi.org/10.1190/1.2752175
F. A. Neves, A. Al-Marzoug, J. J. Kim, E. L. Nebrija, “Fracture characterization of deep tight gas sands using azimuthal velocity and AVO seismic data in Saudi Arabia”, The Leading Edge, Vol. 22, No. 5, pp. 469-475, 2003 DOI: https://doi.org/10.1190/1.1579581
A. Sokhal, Z. Benaissa, S. A. Ouadfeul, A. Boudella, “Dynamic rock type characterization using artificial neural networks in Hamra quartzites reservoir: A multidisciplinary approach”, Engineering, Technology, and Applied Science Research, Vol. 9, No. 4, pp. 4397-4404, 2019 DOI: https://doi.org/10.48084/etasr.2861
A. Jooybari, P. Rezaie, “Petrophysical evaluation of the Sarvak formation based on well logs in Dezful Embayment, Zagros Fold Zone, south west of Iran”, Engineering, Technology, and Applied Science Research, Vol. 7, No. 1, pp. 1358-1362, 2017 DOI: https://doi.org/10.48084/etasr.982
S. Eladj, M. Z. Doghmane, L. Aliouane, S. A. Ouedfeul, “Porosity model construction based on ANN and seismic inversion: A case study of Saharan Field in Algeria”, 2nd Conference of Arabian Journal of Geosciences, Sousse, Tunisia, November 25-28 2019
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