Shallow Water Seismic Operations on the North West Shelf

T. J. Allen, D. Brown, J. Wardell

Petroleum Exploration Society of Australia (PESA)

... to the theoretical 27 Hz expected for the water depth of 14 m. Figure 5 shows the same record after first arrival muting, FK (frequency-wavenumber) domain...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... of passive seismic data recorded along receiver line 5 and while drilling well BH001. (b) The same data as in (a) shown in frequency-wavenumber (FK) domain...

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

Search and Discovery.com

Abstract: Achieving a Broadband Seismic Image: a 3D Dispersed Source Array Case Study; #91204 (2023)

Mohammed Almubarak, Woodon Jeong, Constantinos Tsingas

Search and Discovery.com

... a number of de-blending workflows as well as special treatment of the two different sweeps. An iterative sparse inversion in frequency-wavenumber...

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...

Accurate seismic data interpolation based on multiband intelligent training

Xueyi Sun, Benfeng Wang, Tongtong Mo

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency filtering is used for the output before approaching the corresponding labels, which can further enhance the interpolation accuracy. After...

Variations in Large-Scale Beach Amplitude Along the Coast

Nina Fisher, Robert Dolan, Bruce P. Hayden

Journal of Sedimentary Research (SEPM)

... that the correlation between the two data series at each frequency (wavenumber) band could be calculated. These correlations, summed over all frequency bands...

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

... performs downward continuation in the frequency-wavenumber domain through phase shift plus interpolation. The difference from one-way PSPI...

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...

Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)

Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood

Search and Discovery.com

... are densely sampled. Within these limitations, the 2D algorithm worked well on this survey in tandem with de-aliased Radon demultiple. Standard frequency...

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...

Abstract: Making FX Interpolation More Robust by Spectrum-guided Reconstruction; #90171 (2013)

Mostafa Naghizadeh and Mauricio Sacchi

Search and Discovery.com

... for frequency-wavenumber estimation. Proceedings of the IEEE, 69, 1515–1517. Liu, B. and M. D. Sacchi., 2004, Minimum weighted norm interpolation...

Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... method in the frequency-wavenumber (f-k) domain was introduced by Gulunay (2003) and often referred as f-k interpolation. The main contribution...

Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)

Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross

Search and Discovery.com

...). The interpolation method used for the tests is the Anti-Leakage Fourier Transform (ALFT) (Xu et al, 2004), which works in 5D frequency-wavenumber domain...

Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and Discovery.com

... the fast generalized Fourier transform FGFT to identify the space-wavenumber evolution of nonstationary spatial signals at each temporal frequency...

Abstracts: Prestack Interpolation of a Sparsely Acquired and Heavily Structured 3D Land Data Set; #90173 (2015)

Dan Negut, Dave Ganley, Muyi Kola-Ojo, Dennis Quinn, Juefu Wang, Angela Truong, and David Emery

Search and Discovery.com

... properties of coherence in the frequency-wavenumber domain, where “wavenumber” is understood to comprise multiple spatial dimensions. At each temporal...

Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)

Mark Ng and Dan Negut

Search and Discovery.com

... and Negut (2013) showed that the dip scan can be easily done for all dips in the ω- kx frequency-wavenumber domain. It is achieved by calculating an angular...

Understanding Holographic Imaging of Seismic Data— Contrast with Signal Processing Imaging Methods

Norman S. Neidell

GCAGS Transactions

... note that such an image has no restrictions on its frequency or wavenumber character. It is what we decide. Should we choose to work digitally, our...

Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)

Mike Perz, Juefu Wang, and Ye Zheng

Search and Discovery.com

... distribution in the frequency-wavenumber domain based on a priori model information. Because our implementation synthesizes data on a regular CMP grid...

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

... modeling uses frequency-wavenumber method. A 3C processing workflow (Gray et al, 2008; Stewart and Gaiser, 2007; Van Dok et al, 2001) was used...

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... with a minimum weighted norm (MWNI) to recover missing data. |Pk |-2 represents the spectral weights in frequency and wavenumber domains on the fully...

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...