Artificial Neural Networks Identification of Lithology-Types in Complex Carbonate from Well Logs, Block K, in Uzbekistan

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Abstract:

In oil and gas exploration of Block K in Amu Darya basin Uzbekistan, the reservoir lithologies are mainly in different carbonate rocks, the more types of rocks, the more various reservoir space is, as a result, it brings some difficulties to the reservoir quantitative evaluation. Therefore, according to this situation that the difficulty in identification of complex carbonate lithologies is, in this study block, artificial neural network analysis method is used in this paper. The method combines mud logging, cutting, core data, well logging, studies logging response characteristics of the different types of carbonate rocks, establishes lithology identification index. In this study, the method is used in identifying the types of carbonate rocks, the identified result compared to actual rocks displays about 70.51~87.23%, and it plays the positive role for reservoir quantitative evaluation.

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Periodical:

Advanced Materials Research (Volumes 756-759)

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2396-2400

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] Gregory F. Ulmishek, Petroleum Geology and Resources of the Amu-Darya Basin, Turkmenistan, Uzbekistan, Afghanistan, and Iran, U.S. Geological Survey Bulletin 2201–H.

DOI: 10.3133/b2201h

Google Scholar

[2] M. Khandelwal, T. N. Singh, Artificial Neural Networks as a Valuable Tool for Well Log Interpretation, Petroleum Science and Technology, 28: 14, 1381-1393.

DOI: 10.1080/10916460903030482

Google Scholar

[3] Abbas Majdi, Morteza Beiki, Atena Pirayehgar, Gholamreza Hosseinyar, Identification of well logs with significant impact on prediction of oil and gas reservoirs permeability using statistical analysis of RSE values, Journal of Petroleum Science and Engineering 75 (2010).

DOI: 10.1016/j.petrol.2010.10.001

Google Scholar

[4] Nabil Al-Bulushi, Peter R. King, Martin J. Blunt, Martin Kraaijveld, Development of artificial neural network models for predicting water saturation and fluid distribution, Journal of Petroleum Science and Engineering 68 (2009) 197-208.

DOI: 10.1016/j.petrol.2009.06.017

Google Scholar

[5] Kevin P. Dorrington and Curtis A. Link, Genetic-algorithm/neural-network approach to seismic attribute selection for well-log prediction, GEOPHYSICS, VOL. 69, NO. 1 (JANUARY-FEBRUARY 2004); P. 212-221.

DOI: 10.1190/1.1649389

Google Scholar

[6] Mohammadreza Kamyab, Jorge H. B Sampaio Jr., Farhad Qanbari, Alfred W. Eustes III, Using artificial neural networks to estimate the z-factor for natural hydrocarbon gases, Journal of Petroleum Science and Engineering 73 (2010) 248-257.

DOI: 10.1016/j.petrol.2010.07.006

Google Scholar

[7] Lianshuang Qi, Timothy R. Carr, Neural network prediction of carbonate lithofacies from well logs, Big Bow and Sand Arroyo Creek fields, Southwest Kansas, Computers & Geosciences 32 (2006) 947–964.

DOI: 10.1016/j.cageo.2005.10.020

Google Scholar

[8] Wenzheng Yue, Guo Tao, A New Type of Neural Network For Reservoir Identification Using GeophysicalWell Logs, Mathematical Geology, Vol. 37, No. 3, April 2005 (©2005): 243-260.

DOI: 10.1007/s11004-005-1557-1

Google Scholar