Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

..., and are contaminated with short period multiples. The advent of high resolution sparse Radon Transform multiple attenuation techniques allows us to examine...

Enhancing full-waveform inversion with a deep-learning approximated inverse Hessian: A field data application

Mustafa Alfarhan, Matteo Ravasi, Fuqiang Chen, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the inverse Hessian into a neural network designed to transform a Hessian-adjusted gradient into the (FWI) gradient. By employing Born modeling...

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

... accuracy and to have more control over tuning effects. Figure 5. Short-time window Fourier transform was applied to seismic data, decomposing...

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...

Reassessment of the Tectonic, Paleogeography, and Geochemistry in Mergui and North Sumatra Basin

Ricky Andrian Tampubolon, Humbang Purba, Shidqi Anugrah Diria, Imbang Jaya, Tri Peni Setyowaty, Yurry Putra Nusantara, Ario Budi Wicaksono, Ahmad Syauqi Hidayatillah, Argya H. Basundara, Herman Darman, Junita Trivanty

Indonesian Petroleum Association

... by assigning h(x) = 0 (Oldenburg, 1974) and its inverse Fourier transform provides the first approximation of the topography interface, h(x). This value...

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...

Merging inverse-Q filtering and deconvolution

A. R. Schoepp, G. F. Margrave

CSPG Special Publications

...Merging inverse-Q filtering and deconvolution A. R. Schoepp, G. F. Margrave 1998 167 168...

Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

...Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015) Zhengsheng Yao...

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

... and also fits the input data upon inverse Fourier transformation.” Here the word “sparse” refers to a Fourier amplitude spectrum containing...

Time-Lapse Microgravity to Monitoring Fluid Movement Estimation, Water Saturation, Pressure & Density Changes in Reservoir (Case Studies On Field TFQŽ, Sumatera)

Taufiq, Ermin Retnowati, Ahmad Zaenudin

Indonesian Petroleum Association

.... The filter in this study used the moving average method. To determine the width of the moving average window, Fourier transform process is required...

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...

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...

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...

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...

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...

Geologically Driven Joint Inversion of Gravity, Seismic and Well Data: A Step Forward in Understanding of Geological Structure and Reducing E&P Risks

Search and Discovery.com

Geologically Driven Joint Inversion of Gravity, Seismic and Well Data: A Step Forward in Understanding of Geological Structure and Reducing E&P Risks; #70282 (2017)

Oleksandr Petrovskyy, Tetyana Fedchenko

Search and Discovery.com

... techniques. Thus filtration, regional-residual separation, analytical upward-downward continuation, Fourier and wavelet transforms are still used...

First arrival enhancement by statics preserving filtering using surface-consistent constraints

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

.... (2013) performs statics preserving sparse radon transform. Both cases share key aspects; the joint inverse problem is solved by minimizing the misfit...

Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation

Yu Chen, Bin He, Hejun Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... solvability using the spectral element method reduces computational costs compared to Fourier transform-based methods; (3) the relaxation time...

Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation

Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun

International Meeting for Applied Geoscience and Energy (IMAGE)

... and then inverse Fourier transform (IFT) was carried out to obtain time domain response after interpolating responses in frequency domain...

Deep nonlinear seismic prior for seismic interpolation

Yuhan Sui, Xiaojing Wang, Jianwei Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and C. J. Walker, 1998, Interpolation and extrapolation using a high-resolution discrete Fourier transform: IEEE Transactions on Signal Processing, 46...

Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration

Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux

Indonesian Petroleum Association

... by FFT’ing the whole wavefield in the x, y and z directions, scaling it by 2 k x2 , k y , k z2 , and inverse FFT’ing it back. These Fourier transforms...

Fracture Diagnostics in Naturally Fractured Formations: An Efficient Geomechanical Microseismic Inversion Model

Meng Cao, Mukul M. Sharma

Unconventional Resources Technology Conference (URTEC)

...ource to receiver. For low frequencies, the Fourier transform of the far-field displacement waveform tends to a constant, and the far-field displac...

Técnicas de Procesamiento Sísmico Basadas en Atenuación: Un Primer Paso para la Caracterización de Yacimientos de Crudo Pesado [PAPER IN SPANISH] Seismic Processing Techniques Based on Attenuation: A First Step for the Characterization of Heavy Oil Reser

Elkyn E. Hernández Sanabria, Yaqueline Figueredo Báez, William M. Agudelo Zambrano

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., 2120-2128. Hargreaves, N. D., and Calvert, A. J., 1991. Inverse Q-filtering by Fourier transform. Geophysics, 56, 519-527. Kjartansson, E. 1979. Constant Q...

Abstract: The Gulf of Mexico as Global Analogue: A Comparison of AVO and Energy Absorption with the South Caspian Basin

Paul Ware, Mai Yang, Keith Wrolstad, Ke-Shan Zou, Syed Zaman, Randy Cooper

GCAGS Transactions

... > Impedance sst deeper. Also, the Class II-III AVO response shows a local relationship with porosity that is the inverse of the GOM. Three-point log...