Seismic monitoring using compact phased arrays: CO2 sequestration monitoring

Jian Zhang, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker, Kevin D. Hutchenson, Don C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... A network of passive, persistent, permanent, compact volumetric phased arrays (e.g. SADAR® arrays, Nyffenegger et al., 2022) features multiple...

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... in the velocities and thicknesses of the near-water bottom layers. Frequency-wavenumber (f-k) noise-attenuation algorithms work well for attenuating coherent source...

Unsupervised frequency…space domain deep learning framework for reconstructing 5D seismic data

Gui Chen, Yang Liu, Haoran Zhang, Mi Zhang, Yuhang Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency–wavenumber ( f − k) domain, is an iterative reconstruction solution through using a threshold value strategy. Gao et al. (2010) propose...

Regularization by robust denoising for iterative simultaneous source separation

Breno Bahia, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...) forms for each blending factor. (a) 0 (b) 0 (c) 0 1 1 1 2 2 2 3 3 3 4 Time (s) The frequency-wavenumber thresholding (FKT...

Abstract: A new Frontier Being Revealed; Using Spectral Decomposition in an Old Universe of Multiples and Noise; #91204 (2023)

Miguel Mora-Glukstad, Hamza Khanjari, Wathab Al Mahrezi, Marwa AL Dhahli, Martin Dvorak, Said Abri

Search and Discovery.com

.... This technique utilizes a combination of FK (Frequency and Wavenumber) filtering and a linear radon transform based filtering routine to remove...

Application of transfer learning and multi-scale feature fusion in intelligent suppression of seismic random noise

Xin Xu, Wuyang Yang, Xinjian Wei, Haishan Li, Nang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... To visually demonstrate the effectiveness of the method in this article, the frequency-wavenumber spectrum in the inline direction was calculated...

VSP: Lessons from Numerical Simulation

M. Suprajitno, S. A. Greenhalgh

Indonesian Petroleum Association

... been effectively accomplished using the discrete frequency-wavenumber method. Surface multiples and peg-leg multiples can be readily incorporated...

Transfer learning for cement evaluation: An image classification approach using VDL time series

Amirhossein Abdollahian, Hua Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... different tubing eccentricities and cement conditions, analyzing data in both time and frequency-wavenumber domains to encompass the complexity...

Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin

Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto

Indonesian Petroleum Association

...-frequency anomalies are often attributed to abnormally high attenuation in gas filled reservoirs and can be used as a hydrocarbon indicator (Castagna et al...

ABSTRACT: A New Gradient Operator with Applications in Geophysics, by Alfaraj, Mohammed; Wang, Yuchun E.; Luo, Yi; #90141 (2012)

Search and Discovery.com

Multi-realization seismic data processing with deep variational preconditioners

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the available traces. The modelling operator combines the up- and down-going fields in the frequency-wavenumber domain to produce the total pressure...

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...) vz (x) v0 The first term in the above equation (the phase shift) is again implemented in frequency-wavenumber domain, using a constant reference...

Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... methods. They reconstruct the data one frequency at a time in the frequency-wavenumber domain. The other method, TCOM, is a rank reduction based method...

Microtremor Studies in Roosevelt and Beowawe Geothermal Areas

Alfred L. Liaw, Wayne Suyenega

Circum Pacific Council Publications

... state-of-the-art seismic array data acquisition and frequency-wavenumber processing techniques. T h e purpose of our study is to investigate...

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

... vector, the temporal frequency, the inline wavenumber, the crossline wavenumber, the vertical wavenumber, obtained from the dispersion relation...

Accurate seismic data interpolation based on multiband intelligent training

Xueyi Sun, Benfeng Wang, Tongtong Mo

International Meeting for Applied Geoscience and Energy (IMAGE)

... a multiband training strategy. The proposed strategy divides labeled seismic data into multiple frequency bands and uses different U-Net models for each...

Multichannel compressive sensing for seismic data reconstruction using joint sparsity

Iga Pawelec, Michael Wakin, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... derivatives have the same bandwidth as the original data. Although the amplitude spectrum of wavefield derivatives enhances the high frequency and wavenumber...

High Performance Seismic Data Migration for High Resolution Interpretation

C. N. Chernoff

Indonesian Petroleum Association

... are required from finite difference migration. Theoretically, frequency-wavenumber (F–K) migration can work with trace spacings at the maximum distance...

Geological Investigations in Yellowstone National Park, 1976–1981

Wayne L. Hamilton

Wyoming Geological Association

..., Frequency-wavenumber analysis of geothermal microseisms at Norris Geyser Basin, Yellowstone National Park, Wyoming, Geophysics 45: 5, p. 952-963. Otis, R. M...

From trash to treasure: Three-dimensional basement imaging with “excess” data from oil and gas explorations

Doyeon Kim, and Larry D. Brown

AAPG Bulletin

...) normal moveout correction, and (5) CRP stack (25 × 25 m [82 × 82 ft] binning). Poststack 3-D frequency–wavenumber migration was applied to the final...

Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)

Mark Ng and Dan Negut

Search and Discovery.com

... weights are derived from an angular search of the input amplitude spectrum in the frequency-wavenumber domain before the inversion begins. Introduction...

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... multiple reflection problems, a routine preprocessing stream might include a radon or frequency-wavenumber (f-k) demultiple step that removes...

High-resolution imaging in the Campos Basin using legacy seismic acquisition

David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan

International Meeting for Applied Geoscience and Energy (IMAGE)

... at each iteration in contrast to the conventional POCS method that uses a single frequency-wavenumber combination. Dip-POCS can produce data...

Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... (data moves from the space and time domain to the wavenumber and frequency domain, where many process in g operations are easiest to implement) cannot...

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... operates via Fourier transforms in the frequency wavenumber (f-k) Fig. 2. Schematic depth section (top) and zero offset time section (bottom) for a dipping...