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The AAPG/Datapages Combined Publications Database

Showing 5,188 Results. Searched 200,357 documents.

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Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)

Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen

Search and Discovery.com

... medium properties, including compressional and shearwave velocities. Careful treatment of the source wavelet is crucial for FWI and is a challenging task...

2015

Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

... processing, wavelet processing, coherency enhancement, attenuation analysis, multi-parameter color displays, forward and inverse modeling...

1978

Calibration of Continuous Wavelet Transform (CWT) Fracture Closure Detection Using Laboratory Hydraulic Fracturing Experiments

Mohamed A. Gabry, Zhi Ye, Amr Ramadan, Ahmad Ghassemi, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

...(t) is the mother wavelet, a represents the scale (inverse frequency), and b represents translation (time shift). Wavelet families vary in shape...

2025

Data-driven near-surface Q compensation: A case study in Sichuan Basin of China

Xinyuan Feng, Yulian Zhao, Mingtu Xiao

International Meeting for Applied Geoscience and Energy (IMAGE)

.... It is assumed that the seismic pulse can be simulated by the Riker wavelet, whose amplitude spectrum is given by the following formula: S๏ฟฝ๐‘“๐‘“๏ฟฝ = 2...

2024

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

.... In Sintong, 14 (fourteen) wells were used to create synthetic seismograms with a consistent phase wavelet. A velocity model was then developed to insure...

2010

High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints

Juefu Wang

Search and Discovery.com

... real data. Introduction Deconvolution can be posed as an inverse problem in which we attempt to remove the signature of the wavelet and therefore...

Unknown

High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints

Juefu Wang

Search and Discovery.com

... real data. Introduction Deconvolution can be posed as an inverse problem in which we attempt to remove the signature of the wavelet and therefore...

Unknown

Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)

Wenyong Pan, Kris Innanen, and Gary Margrave

Search and Discovery.com

... are deployed on the surface with a receiver interval of 5m from 5m to 5750m. The source function is a Ricker wavelet with a dominant frequency...

2015

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavenumber, and Fx represents the inverse spatial Fourier transform. Extrapolating the seismic source signature downward from z0 to zN and then upward...

2022

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... of dipping events to prevent aliasing, and a deconvolution would increase the frequency of the wavelet and introduce aliasing. This reason is valid...

2014

-- no title --

user1

Search and Discovery.com

.... ๐‘Š(๐‘ก) is source wavelet. ๐บ(๐‘Ÿ, ๐‘ก |x, 0) and ๐บ(๐‘ฅ, ๐‘ก | ๐‘ , 0) are Greenโ€™s function from source s to scatter point x and from scatter point x to receiving point...

Unknown

Abstracts: Padรฉ Approximation for Analyzing Multiple Reflections; #90173 (2015)

Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... ) can be used to estimate the reflectivity parameters and to recover the impulse wavelet using inverse filtering. Numerical Simulations To simulate...

2015

Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).

Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk

Search and Discovery.com

...), the seismic image recovery problem is formulated as a nonlinear optimization problem. After linearization and by ignoring the source and receiver signatures...

2015

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the source wavelet. We call this technique as wavefield traveltime inversion (WTI) by following the work done by Luo and Schuster (1991). We...

2022

Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding

Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithm is the Euclidean deconvolution (Rietsch, 1997), which uses the source wavelet, i.e., the common factor in a group of seismic data with different...

2023

Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... for a given target is a problem where the seismic hardware, source parameters, design layout and seismic processing must be considered. We aim to provide...

2015

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... the reciprocal i.e. i/f, of every frequency point. Once G(w) had been computed an Inverse Fourier Transform converts the wavelet spectrum back into the time domain...

1984

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

...) The real source wavelet, especially on land, is spatially variable, and each shot may be different. When there is strong absorption attenuation...

2022

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... do not vary with offset of receivers or the depth of reflectors. The amplitude spectrum for the effective source wavelet is determined by averaging...

1987

Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)

Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann

Search and Discovery.com

..., Calgary, AB, Canada Considering that it is not easy to remove only the source wavelet conserving the general inverse theory, we modify the first method...

2014

Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... parameters, keeping the time-variant nature of the embedded source wavelet in mind. These windows are usually made to overlap to avoid artifacts. However...

2015

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