Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpolation technique which works by estimating a Radon spectrum of the input data, followed by an inverse Radon transform to the desired locations...

Application of Frequency-Dependent Attributes for Gas Prospect Identification

Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2014) to time-frequency methods like short Fourier transform, wavelet transform, etc. We demonstrate here a method based upon Tikhonov regularization...

Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology

Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... channels. response characteristics of faults or lithological boundaries, this method uses 3D Fourier transform technology to calculate the dip...

Eavesdrop during sand cleanout well intervention with distributed acoustic sensing

Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu

International Meeting for Applied Geoscience and Energy (IMAGE)

...ation as a dot product (∙) in the frequency domain via the forward and inverse Fourier transform ℱ and ℱ −1 , respectively. Note that this is a genera...

3D GPR data mel-frequency cepstral coefficients features for effective CNN classification of urban utilities

Jide Nosakare Ogunbo, Sang Hun Baek, Sang-Wook Kim

International Meeting for Applied Geoscience and Energy (IMAGE)

... cosine transform decorrelated parameters computed through a transformation of the logarithmically compressed filter-output energies (Ganchev et al., 2005...

Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization

J. J. Gao, X. Wang, Y. H. Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... data denoising method by conducting a 3D shearlet transform approach. Brox and Sacchi (2022) introduced robust vector The quaternion is an extension...

AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering

Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are the expression for forward and inverse Fourier transform. It should be emphasized that Edataiter is the result of enhancing reflection signal...

Research and application of Intelligent high resolution processing method based on ISTA-Net

Huahui Zeng, Qin Su, Sanyi Yuan, Lide Wang, Yanwu Xu, Huijie Meng, Deying Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...on coefficient, and assuming that the parameters of neural network learning are the basis functions of Fourier transform or curvelet transform, the above formu...

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

... wavefield can then be obtained by inverse Fourier transforming. Note that Equation (1) models transmitted waves only and, because of the Bessel...

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)

Stewart Trickett and Lynn Burroughs

Search and Discovery.com

.... The general method is as follows: Take the Discrete Fourier Transform (DFT) of each trace. For each frequency within the signal band... { 1. Place...

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... and inverse Fourier transformed to produce the acoustic impedance inversion. Selecting an appropriate low cut-off frequency is not always a simple task...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... of the world. Imaging of the subsurface is a nonlinear inverse problem which plays the role of optical lens. The key challenge that the oil industry must...

Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept

Sam Rivas-Dorado

AAPG Bulletin

...Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept...

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

...) (Lecomte, 2008) and its inverse can be approximated by a bank of nonstationary matching filters (Guitton, 2004). Nowadays, the image domain least-squares...

Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... of the source-timefunction amplitude, and § - 1 represents the inverse Fourier Transform operator. The source term in equation 4 is different from the one used...

Sedimentary Thermal Maturation Models for the Deepwater Eastern Gulf of Mexico

Kelly Opre Jones, Seiichi Nagihara

GCAGS Transactions

..., the transient heat flow method of modeling was used. This method uses a full differential equation, which combines Fourier's Law of Heat Conduction...

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

...., 2003, Seismic trace interpolation in the Fourier transform domain: Geophysics, 68, 355– 369. Ikelle, L., and Amundsen, L., 2005, Introduction...

Black Swan Airborne Geophysical Survey Structural Interpretation for Hydrocarbons Targeting in the Perth Basin

Peter Kovac, Carlos Cevallos, Jurriaan Feijth, Matus Kovac

Petroleum Exploration Society of Australia (PESA)

... inverse modelling, Geophysics, 48, 754-774. Mory, A. J. and Hocking, R. M., 2008, Geology of the Kalbarri and Mingenew areas - a field guide, Record...

Rescaled Decline Curves: A Solution for Shale Gas Assessment, #40748 (2011)

Jean-Yves Chatellier, Bob Menard, Sylvestre Charles,

Search and Discovery.com

... being the exception. Many wells can thus be plotted at once using rescaled decline curves, any of these curves is typical of an inverse function...

Perspectives on Stratigraphic Simulation Models: Current Approaches and Future Opportunities

W.Lynn Watney, Eugene C. Rankey, John Harbaugh

Special Publications of SEPM

... approaches to both inverse and forward stratigraphic computer modeling 2 defining trends and promising areas of research and 3 discussing in detail input...

Identification of Microseismic Attributes Through Spectral Analysis

Michael J. Nava, James W. Rector, Zhishuai Zhang

Unconventional Resources Technology Conference (URTEC)

... calculated. Since there are eleven geophones in the array, a Fourier Transform was performed on all traces, which yielded eleven spectral responses...

Bitumen geochemistry and producibility in the Upper Cretaceous Niobrara Formation shale oil play

Yuanjia Han, Brian Horsfield, Nicolaj Mahlstedt, and Heather LaReau

AAPG Bulletin

...); and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). Figure 2. Flow chart of experimental analysis. The specific...

Generative modeling for inverse problems

Rami Nammour

International Meeting for Applied Geoscience and Energy (IMAGE)

... a latent space Z of modest dimension to any model, for example: 8m 2 M , 9z 2 Z : m ⇡ G(z), where z 2 R p , p ⌧ n The ability to transform the inverse...

Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution

Peng Yong, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... time-domain form w(t, τ) through −1 w(t, τ) = Fτ [w(t, ω)] , ˆ (4) −1 Fτ where denotes the inverse Fourier transform for the variable τ...