Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the Hessian inverse in the context of our one-way waveequation-based migration method, cited as full wavefield migration. To do so, we will build and apply...

A frequency-dependent fluid prediction method based on a novel fluid indicator incorporating anisotropic effect and squirt flow

Tianjun Lan, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Zong, 2020, Seismic fluid identification based on 5D seismic data: Journal of Applied Acoustics, 39, 63–70. Zhao, Y., 2023, An inverse Q filtering...

Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)

Heath Pelletier

Search and Discovery.com

.... These workflows may comprise larger amplitude corrections, such as geometrical spreading and absorption (Q), or more subtle ones, like angle of emergence...

IV. The Role of Seismic Wavelets and Wavelet Processing

Norman S. Neidell

AAPG Special Volumes

... trace where we regard superimposed waveforms which can result from closely spaced reflecting boundaries, interbed multiples or the filtering effect...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... coinciding with reflection arrival time. Below, processing is done in the frequency domain by inverse filtering, while the phase spectrum is added...

Seismic deblending with a hard data constraint

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of interest remains coherent. Historically, deblending has been addressed using filtering or denoising techniques (Hampson et al., 2008; Huo et al...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... Frequency filtering can improve the signal-to-noise ratio but it damages the vertical resolution, conversely the inverse filtering improves...

Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

... in step 2.1. Cadzow filtering in one spatial dimension, for example, creates a Hankel matrix, and in two spatial dimensions creates a Hankel matrix...

Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media

Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui Ye, Morten Jakobsen

International Meeting for Applied Geoscience and Energy (IMAGE)

...Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... techniques such as FK filter. Curvelet Transform shows superiority compared to conventional techniques such as median filtering and f-x deconvolution filtering...

Megascale Variability of Sediments on United States Atlantic Continental Shelf and Slope--Multivariate Study: ABSTRACT

F. C. Krecow, Jay E. Leonard

AAPG Bulletin

... were first determined by Q-mode cluster analysis, based on the similarity among individual samples utilizing Sorenson's coefficient as the similarity...

Abstract: Resolution Improvement Study and Application of 3D Surface Seismic Data using Borehole Seismic Data, by Qingfeng (Tommy) Kong, Deling Lv, and Songhui Lin; #90152 (2012)

Search and Discovery.com

Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)

Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack

Search and Discovery.com

..., for example, Trickett, 2003), also called truncated singular-value decomposition, principal-component analysis, subspace filtering, and many other...

ABSTRACT: Use of VSP to Enhance Surface Seismic Processing, by T. J. O'Rourke; #91032 (2010)

Search and Discovery.com

Upper Jurassic and Basal Cretaceous Sandstones of Southern Saskatchewan and Vicinity: ABSTRACT

J. E. Christopher

AAPG Bulletin

...% as matrix and laminae) decrease downslope in inverse relation to illitic clay and accessory glauconite. Thickness ranges between 45 and 160 ft...

Abstract: Receiver Comparison for a Non-repeatable Earthquake Source on the Hussar 2011 Low-frequency Seismic Experiment; #90174 (2014)

Kevin W. Hall, Gary F. Margrave, and Malcolm B. Bertram

Search and Discovery.com

.... Inverse filtering of the 10 Hz and 4.5 Hz geophone data to correct for geophone response at low frequencies is shown to be succesfull, based on visual...

3D Radon transformation with axis dependent curvature

Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck

International Meeting for Applied Geoscience and Energy (IMAGE)

... as basis functions. The high-resolution sparse transformation is usually formulated as an inverse problem to solve the Radon domain coefficients to represent...

Application of generalized radon transform migration to crosswell seismic geometry

Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... location (Krohn and Chen, 1992). To accommodate non vertical incidence P-waves, an (inverse obliquity) term needs to be additional 1/ applied to ௭ data...

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

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...First arrival enhancement by statics preserving filtering using surface-consistent constraints Alejandro Quiaro, Mauricio D. Sacchi First arrival...

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... of explicit filters. TRIANGLE SMOOTHING BY CASCADED FILTERING INTRODUCTION Shaping regularization is a general framework for solving inverse problems...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the “acoustic” or compressional velocity. x The product, q(ω, x ) = c2 (x )∆p(ω, x ) represents a convolution in the wavenumber (spatial-Fourier) domain...

Abstract: Statics Preserving Sparse Radon Transform; #90224 (2015)

Nasser Kazemi

Search and Discovery.com

... attenuation in the presence of statics. Introduction By now it is well known that Radon transform operator is not orthogonal. Forward and inverse...

New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin

Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid

Geological Society of Malaysia (GSM)

... methods have been developed to enhance the bandwidth, including spectral whitening, spectral bluing, and inverse Q-filtering (Sajid & Ghosh, 2014...

Kutei Basin: Feasibility Study of a Broadband Acquisition

Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele

Indonesian Petroleum Association

...-p filter 5) Geometrical spreading Recovery 6) Inverse Q phase only (Q=75) The CMPs were also angle stacked for the further elastic inversion...

Multiscale fault and fracture characterization methods

QiQi Ma, Taizhong Duan

International Meeting for Applied Geoscience and Energy (IMAGE)

...      (1) In the Equation (1), F, F-1 are the Fourier transform and inverse transform respectively; D(t) represents the seismic amplitude at time...