Amplitude and Phase Accuracy for x-t DMO, by Craig J. Beasley; #91024 (1989)

Search and Discovery.com

Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

... an accurate, but computationally intensive, algorithm cast in the frequency-wavenumber if - k) domain. For efficiency, particularly when DMO is done in 3-D...

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...

A Case Study of Seismic Exploration in the Offshore Bonaparte Basin

J. Durrant, A. Young

Petroleum Exploration Society of Australia (PESA)

..., frequency-wavenumber (F I K) demultiple and common-mid-point (CMP) stack. These conventional methods acheived a partial solution to the multiple problem...

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... simultaneously over a group of inline and crossline seismic traces. f-k (frequency-wavenumber) filters that are designed to attenuate linear coherent...

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...

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...

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... an adaptive thresholding method in the localized frequency-wavenumber (f-k) domain of prestack seismic gathers. The propose method is effective...

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

... to use frequency-wavenumber filtering to remove all the low time dip noise events without attenuating the good reflections as well. It is also unacceptable...

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...

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... #90187 © CSPG/CSEG/CWLS GeoConvention 2013, Integration: Geoscience Engineering Partnership, 6-12 May 2013, Calgary, AB, Canada Frequency-Wavenumber (F...

Abstract: Using Phase Sequencing and Marine Vibrators for Residual Shot Noise Removal and Simultaneous-Source Separation; #90310 (2017)

Robert Laws, David Halliday, Ali Özbek, Jon Fredrik Hopperstad

Search and Discovery.com

... into the empty quarter from where it can be removed by simple frequency-wavenumber filtering. The signal is not affected. Removal of the residual shot noise...

Q Marine

PESA Staff

Petroleum Exploration Society of Australia (PESA)

...-k filter that is adaptive in those parts of the frequency-wavenumber space that co ntain noise, but fixed in the regions of the f-k space that co...

Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT

Ray L. Sengbush

AAPG Bulletin

... traveling noise and random noise are additive processes that complete the filter model. Analysis of signal and noise in f-k (frequency-wavenumber) space leads...

Abstract: Attenuation of Scholte Waves from OBC Data Using Polarization Filtering; #91204 (2023)

Yong Qing Chen, Mamadou Diallo, Mustafa A Marzooq, Faisal M Qahtani

Search and Discovery.com

... nature and large amplitude. We show comparisons of the polarization filtering results to those of the frequency-wavenumber (F-k) filtering approach...

Time-lapse impedance variations using DAS VSP data during CO2 injection at the CMC Newell County Facility, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavefields through the application of a median filter followed by a frequency-wavenumber filter. Stacked seismic records can thus be obtained from...

Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... the fundamental mode Rayleigh wave is used. The wavenumber and frequency values are automatically picked. Quality control checks and required editing...

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...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency (wavenumber) domain as given in equation 1. 𝐷𝐴𝑆 𝜀̇ 𝑧𝑧 = 𝑠𝑖𝑛𝑐 𝜋 (𝑘𝐿)𝜀̇ 𝑧𝑧 (1) where z is the depth along the fiber cab...

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... with thickness Δz . Equation (4) extrapolates wavefields at depth z down to depth z + Δz in the frequency-wavenumber domain. To develop a Gabor approximation...

Abstract: Highest Possible Resolution Seismic Attributes, by Norman S. Neidell, Andy Cuttel, and Bill Kamps; #90078 (2008)

Search and Discovery.com

Abstract: Signal Apparition Simultaneous Source Separation; #90310 (2017)

Johan Robertsson, Dirk-Jan van Manen, Fredrik Andersson, Kurt Eggenberger, Lasse Amundsen, Åsmund Pedersen, Mark Thompson

Search and Discovery.com

... the wavenumber axis in the frequency-wavenumber (f-k) domain that would otherwise not be occupied by any signal. In the non-overlapping diamond...

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...

Acquisition and processing of the first broadband 3D marine vibrator data in the North Sea

Arash JafarGandomi, Kara Howard, Sebastian Holland, Tiexing Wang, Sergio Grion, Thomas Elboth

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The impact of phase modulation and splitting frequencies between the two units is clear on the frequency-wavenumber (f-k) spectra in Figure 2c, which are fully...

Characterization of underground structures on Earth and on Mars using ambient seismic vibrations

Manuel Hobiger

International Meeting for Applied Geoscience and Energy (IMAGE)

..., such as the spatial autocorrelation method (SPAC; Aki, 1957), the frequency-wavenumber method (FK; Lacoss et al., 1969), the high-resolution frequency-wavenumber method...