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The AAPG/Datapages Combined Publications Database

Showing 276 Results. Searched 187,797 documents.

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Thin Bed Stratigraphy from Complex Trace Attributes: ABSTRACT

J. D. Robertson, H. H. Nogami

AAPG Bulletin

... of a zero-phase Ricker wavelet is synchronous with the central peak of the wavelet and exactly equal to the frequency corresponding to the center of gravity o...

1982

Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)

Zhengsheng Yao and Mike Galbraith

Search and Discovery.com

... (a), reflectivity (b) and synthetic data (c), which relate to Figure 1, respectively. The wavelet dictionary is generated from a Ricker wavelet and its 90 degree...

2014

Abstract: Two-stage Blind Deconvolution; #90187 (2014)

Mafijul Islam Bhuiyan and Mauricio D. Sacchi

Search and Discovery.com

... examples. To begin with, a synthetic seismic data is constructed by convolving a sparse reflectivity series with a Ricker wavelet of 600 phase rotation...

2014

Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #42328 (2018)

Ryan Adhi Putra, Abdullatif A. Al-Shuhail

Search and Discovery.com

... response. e) Analyzing the percentage of error in the perturbed-array wavelet response. In this study, Ricker wavelet with 10-Hz of dominant...

2018

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

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

Search and Discovery.com

... the synthetic data - impulse response signal {s j }∞=0 , a Ricker wavelet with the dominant j frequency 25Hz was generated for the input signal...

2015

Effects of Stacking Misaligned CRP Traces: ABSTRACT

James D. Morgan, T. H. Hollingsworth, Monroe Ashworth

AAPG Bulletin

...; a continuous sine wave, and a symmetrical Ricker wavelet. Two separate cases are considered for each signal. In the first case the signals of a suite...

1968

IV. The Role of Seismic Wavelets and Wavelet Processing

Norman S. Neidell

AAPG Special Volumes

... Ricker wavelet as functions of frequency. Much of our thinking has been directed toward the precept that the resolution potential, and hence...

1979

erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).

Jubran Akram, Abdullatif A. Al-Shuhail

Search and Discovery.com

... receiver array as well as partially under a few receivers. We use Ricker wavelet and model plane wavefronts with incidence angles (90°, 70°, 45°, 20° and 5...

2016

Poor Man's Synthetic Seismogram

Andrew Nelson

Petroleum Exploration Society of Australia (PESA)

... Continued On Page 40 MODEL-1 30HZ RICKER WAVELET MODEL-1 40HZ RICKER WAVELET 0.25 0.2 0.15 0.15 0.1 0.05 -0.05 -0.05 n ~ ~ ~ m m • ·0.1...

1996

Abstract: Performance of Seismic Arrays in the Presence of Weathering Layer Variations; #90254 (2016)

Jubran Akram, Abdullatif A. Al-Shuhail

Search and Discovery.com

... receivers. We use Ricker wavelet and model plane wavefronts with incidence angles (90o, 70o, 45o, 20o and 5o) on a 12-element equally weighted array...

2016

Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

..., and PU-S: Stoffa’s Method based on two common sources of phase wrapping (1) time shifting and (2) constant-phase rotation. A 90º rotated Ricker wavelet...

2015

Abstract: Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #90319 (2018)

Ryan Adhi Putra, Abdullatif Al-Shuhail

Search and Discovery.com

... at an element spacing of 0 m. In addition to variable element spacing, the incidence angle of a plane wave with a zero-phase 10-Hz Ricker wavelet was varied...

2018

Seismic Models of Fifteen Stratigraphically Controlled Oil and Gas Fields with Sandstone Reservoirs, Rocky Mountain Basins: ABSTRACT

Robert T. Ryder, Gerald N. Smith, Myung W. Lee

AAPG Bulletin

... Ricker wavelets. Our study indicates that the trap-reservoir interface of all 15 examples may be detected using the 40-Hz Ricker wavelet and thus...

1979

The Seismic AVO of Wet and Dry CBM Reservoirs; #41548 (2015)

Jason McCrank, Han-xing Lu, Kevin Hall, Don C. Lawton

Search and Discovery.com

... and PS offset gathers for two cases: wet and dry Ardley 1 and 2 coals. Modeling assumed a 90 Hz Ricker wavelet. As expected, the most distinguishing...

2015

Seismic Stratigraphic Interpretation for Thin Layers: Case Studies

Kuo-An Lin, Shi-Chi Fuh, Hsiung-Mao Chen

Geological Society of Malaysia (GSM)

.... The zero-phase wavelet synthetic seismograms and log information demonstrated the reliable quality of the seismic data, and provided the basis...

1987

Abstracts: Brine-methane Substitution: The Seismic Response of Coalbeds; #90173 (2015)

Diane J. Lespinasse and Robert J. Ferguson

Search and Discovery.com

... seismograms for the initial and final state using a 30HZ ricker wavelet. Examples Figure 1 presents the synthetic seismograms for a 10m coalbed before...

2015

Abstract: Exploring Potential Applications of Gaussian Ball Filters in Sharpes Hollow Cavity Model; #90224 (2015)

Christopher C. Petten and Gary F. Margrave

Search and Discovery.com

... activation waveforms. We found that that a Ricker and a minimum phase wavelet produced the most reasonable results that might be expected from a real explosion...

2015

VII. Quantitative Stratigraphic Correlations

Norman S. Neidell

AAPG Special Volumes

... invariant. We have computed synthetic seismograms for a single low velocity bed for a variety of thicknesses. A 25 Hz Ricker wavelet is taken...

1979

Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools

A.M. Ustad, M.S. Jaya, F.J. Herrman

Indonesian Petroleum Association

...Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools A.M. Ustad...

2007

Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

.... The signal in Figure 3 is comprised of an initial 20 Hz cosine wave, superposed 100Hz Morlet wavelet at 0.3s, two 30Hz Ricker wavelets at 1.1s...

2014

Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)

Yihua Cai, Sergey Fome, Hongliu Zeng

Search and Discovery.com

... Spectral recomposition splits the seismic spectrum into Ricker components. It provides a tool for imaging and mapping temporal bed thicknesses and geologic...

2014

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