Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)

Amr Ibrahim

Search and Discovery.com

... and inverse 2D FFT of the model with size nt × nv × nx . Therefore, the total computational cost of an ASHRT implemented via Stlot migration/de-migration...

Size distribution and dynamics of oil and gas field discoveries in petroleum basins

Alexey E. Kontorovich, Viktor I. Dyomin, Valery R. Livshits

AAPG Bulletin

... is Let this set be called the parent population and the number of pools be called its volume. The sum Q in equation 1 is the amount of HC in all...

Abstract: Early Syndepositional Fault Control in a Deep-Water Channel-Overbank System: Implications for the Interpretation of Inverse Grading, by M. Dykstra and F. Gamberi; #90090 (2009).

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Multi-realization seismic data processing with deep variational preconditioners

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...), such an assumption cannot always be met in practice. the proposed methodology. THEORY Variational inverse problems Throughout this work, we consider linear...

Regional exploration of crustal structures from long-offset OBN data by extended-source FWI

Gaoshan Guo, Stéphane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... the nonlinearity of the inverse problem. Moreover, the sparsity of OBN deployments mitigates the fold and can induce aliasing artifacts in the shallow part...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... inverse term G AEGC 2018: Sydney, Australia g  [G ( p )T G ( p ) ]1 G ( p )T in equation 9 relates the deviation of the data 2 Δd  [d  g (m(P...

Machine Learning-Based Imputation of Bottom Hole Temperature for Enhanced Geothermal Resource Assessment in the US and Canada

Peace C. Eze, Alex Blizzard, Rajashree Kumkar, Cesar Velasquez, Travis Hagler

GCAGS Transactions

... spatial and depth-related variations in BHT values. Preprocessing A crucial preprocessing step involves filtering the dataset to include only BHT values...

Oil Shales: Their Shear Story, by Jyoti Behura, Michael L. Batzle, Ronny Hofmann and John Dorgan, #40379 (2009).

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A deep learning-based inverse Hessian for full-waveform inversion

Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

...A deep learning-based inverse Hessian for full-waveform inversion Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah A deep learning-based inverse...

Comparison of potential fields inversion techniques for basement relief recovery: A case study from the Taubaté Basin, Brazil

Fernanda C. M. Hermes, Guilherme Lenz, Leonardo Miquelutti, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... that allows a visual analysis of the data. It offers a wide variety of tools for processing and interpreting gravimetric data, such as filtering, inverting...

Application of time-lapse full waveform inversion of vertical seismic profile data for the identification of changes introduced by CO2 sequestration

Anton Egorov, Andrej Bóna, Roman Pevzner, Stanislav Glubokovskikh, Konstantin Tertyshnikov

Petroleum Exploration Society of Australia (PESA)

... inversion package (Köhn 2011). Multiscale approach is applied by filtering the data with low-pass filters in time domain (Bunks, et al. 1995...

Multivariate Data Analysis: Part 6. Geological Methods

K. H. Esbensen, A. G. Journel

AAPG Special Volumes

... components yj are best interpret d against a prior knowledge (such as geological interpretation) of the underlying phenomenon. Filtering The higher...

Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

... and receivers; these calculated traveltimes in combination with observed traveltimes are used to develop an inverse problem. The inverse problem is solved...

Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).

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Subsurface uncertainty quantification with deep geologic priors: A variational Bayesian framework

Ashutosh Tewari, Brent Wheelock, Jacob Clark, Dallas Foster, Matthew Li, Youssef Marzouk

International Meeting for Applied Geoscience and Energy (IMAGE)

.../multi-modality of the resulting inverse problems continue to present a formidable challenge for Bayesian methods. Towards the goal of scalable subsurface...

Air Pollution Problems of the Phosphate Industry

Ralph I. Smith

Utah Geological Association

... is close to 3000 feet from the stack. Thereafter the concentration grades off, following the inverse square law, up to 12,000 feet. The spread...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... filtering and seismic processing have truncated the spectral content and are not adequate to define thin layers, faults, carbonate formations, etc...

Abstract: Five Dimensional Seismic Data Interpolation; #90171 (2013)

Daniel Trad

Search and Discovery.com

... processing algorithms used for interpolation work efficiently in three dimensions or less (e.g., Fourier and Radon reconstruction, predictive filtering, etc...

Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... the narrow beam-width of the receiver array with adaptive classification and filtering of specular energy using Singular Value Decomposition, Stochastic...

Merging Surveys with Multidimensional Interpolation; #41552 (2015)

Daniel Trad, Matt Hall, Milka Cotra

Search and Discovery.com

... the others, causing problems (for example, in migration antialias filtering). To avoid reshooting this survey, it was attempted to reduce its bin size...

Full Use of Dipmeter Data for Geocellular Property Modeling in the McMurray Formation, Alberta; #41586 (2015)

Gregory S. Benson

Search and Discovery.com

...). 2. Apply coherency score filtering and other criteria (e.g. exclude certain facies) to high-grade dipmeter readings for use in model conditioning...

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... be represented by a matrix called q equation (1) ( ) (1) Where q are the signal amplitude at the jth trace and kth sample at offset offset x , j=1...

Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges

Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... differential equation. To investigate the potential of PINN on inverse problems and to alleviate its drawbacks. We implemented a dataembedded PINN which...

Elastic Waves in Porous Media Saturated with Non-Wetting Fluid

Jimmy X. Li, Reza Rezaee, Tobias M. Müller, Mohammad Sarmadivaleh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of wave energy is quantified by the inverse quality factor Q in Eqn 4.11. It is defined as the dissipated energy divided by the total wave energy...

Inverse Modeling

Margaret Lessenger, Ian Lerche

Special Publications of SEPM

...Inverse Modeling Margaret Lessenger, Ian Lerche Copyright © 2012, Society for Sedimentary Geology (SEPM) INVERSE MODELING MARGARET LESSENGER...