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Lalitha Venkataramanan
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Journal Articles

Unsupervised Electrofacies Clustering Based on Parameterization of Petrophysical Properties: A Dynamic Programming Approach

Karthigan Sinnathamby, Chang-Yu Hou, Vasileios-Marios Gkortsas, Lalitha Venkataramanan, Harish B. Datir, Terje Kollien, François Fleuret
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (02): 137–153.
Paper Number: SPWLA-2023-v64n2a1
https://doi.org/10.30632/PJV64N2-2023a1
Published: 04 April 2023
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Journal Articles

Enhanced Mineral Quantification and Uncertainty Analysis from Downhole Spectroscopy Logs Using Variational Autoencoders

Paul R. Craddock, Prakhar Srivastava, Harish Datir, David Rose, Tong Zhou, Laurent Mosse, Lalitha Venkataramanan
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (06): 614–629.
Paper Number: SPWLA-2021-v62n6a2
https://doi.org/10.30632/PJV62N6-2021a2
Published: 01 December 2021
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View article titled, Enhanced Mineral Quantification and Uncertainty Analysis from Downhole Spectroscopy Logs Using Variational Autoencoders
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Journal Articles

Dual Neural Network Architecture for Determining Permeability and Associated Uncertainty

Ravinath Kausik, Augustin Prado, Vasileios-Marios Gkortsas, Lalitha Venkataramanan, Harish Datir, Yngve Bolstad Johansen
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 62 (01): 122–134.
Paper Number: SPWLA-2021-v62n1a8
https://doi.org/10.30632/PJV62N1-2021a8
Published: 01 February 2021
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View article titled, Dual Neural Network Architecture for Determining Permeability and Associated Uncertainty
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Journal Articles

An Unsupervised Learning Algorithm to Compute Fluid Volumes From NMR T 1 -T 2 Logs in Unconventional Reservoirs

Lalitha Venkataramanan, Noyan Evirgen, David F. Allen, Albina Mutina, Qun Cai, Andrew C. Johnson, Aaron Y. Green, Tianmin Jiang
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 59 (05): 617–632.
Paper Number: SPWLA-2018-v59n5a4
https://doi.org/10.30632/PJV59N5-2018a4
Published: 01 October 2018
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View article titled, An Unsupervised Learning Algorithm to Compute Fluid Volumes From NMR T 1 -T 2 Logs in Unconventional Reservoirs
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Journal Articles

New Method to Estimate Porosity More Accurately from NMR Data with Short Relaxation Times

Lalitha Venkataramanan, Fred K. Gruber, Jack LaVigne, Tarek M. Habashy, Jorge G. Iglesias, Patrick Cohorn, Vivek Anand, Mansoor A. Rampurawala, Vikas Jain, Nick Heaton, Ridvan Akkurt, Erik Rylander, Rick Lewis
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 56 (02): 147–157.
Paper Number: SPWLA-2015-v56n2a5
Published: 01 April 2015
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View article titled, New Method to Estimate Porosity More Accurately from NMR Data with Short Relaxation Times
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Journal Articles

Experimental Study of the Effects of Wettability and Fluid Saturation on Nuclear Magnetic Resonance and Dielectric Measurements in Limestone

Lalitha Venkataramanan, Martin D. Hurlimann, Jeffrey A. Tarvin, Kamillah Fellah, Diana Acero-Allard, Nikita V. Seleznev
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 55 (06): 572–586.
Paper Number: SPWLA-2014-v55n6a3
Published: 01 December 2014
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View article titled, Experimental Study of the Effects of Wettability and Fluid Saturation on Nuclear Magnetic Resonance and Dielectric Measurements in Limestone
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