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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,293 documents.
Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming
Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson
Wyoming Geological Association
... a symmetrical 80-Hz Ricker wavelet. Stratigraphic units contributing to the major reflection horizons are identified. The reflection coefficient (Rc...
1989
Three-dimensional Seismic Inversion and Geostatistical Reservoir Modeling of the Rotliegend Gas Field
R. K. Shrestha, M. Boeckmann, S. Faruqi, M.-K. Wang
AAPG Special Volumes
... and convolving them with a zero-phase 30-Hz Ricker wavelet having amplitude and frequency characteristics similar to the composite wavelet. The synthetic...
2006
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
...-frequency map for non-stationary signals is the continuous-wavelet transform (CWT). It produces a time-frequency map in which the amplitudes...
2008
A strategy for acoustic impedance direct inversion in depth domain
Ruiqian Cai, Chengyu Sun, Shizhong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... is Ricker wavelet with a dominant frequency of 20 Hz. The reference synthetic seismogram can be obtained by the following steps. Firstly, we derive...
2022
Feasibility Study Methodology for Fracture Analysis Studies Using Seismic Azimuthal Amplitude Variation: Application in Southern Mexico
Alexis Ferrer Balas, Nahum Campos, Jesus Garcia Hernandez
GCAGS Transactions
... are tested: the wavelet with a 12 Hz peak (Fig. 6A) corresponding to the current seismic, and a Ricker modeled wavelet with its peak at 20 Hz (Fig. 6B...
2011
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... the overburden layer (overburden effect). Notice the amplification of frequencies other than the dominant frequency of the source wavelet (ricker wavelet...
2013
ABSTRACT: Quantitative Integration of 4D Seismic for Field Development; #90007 (2002)
Garnham, Gail Riekie, Malu Jensen, Liz Pointing
Search and Discovery.com
... seismic convolution model of Nelson using a Ricker 30 Hz wavelet, with original OWC in light blue, Top Forties in pink and Top Sele in dark green. OWC...
Unknown
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... the overburden layer (overburden effect). Notice the amplification of frequencies other than the dominant frequency of the source wavelet (ricker wavelet...
2013
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
... Example of Fractional-Cepstrum (FC) A true wavelet is generated by superposition of two Ricker wavelets of different frequencies and phase rotations...
2015
ABSTRACT: Examples of Enhanced Spectral Processing in Direct Hydrocarbon Detection; #90007 (2002)
Sun, Shengjie, John P. Castagna, Robert W. Siegfried
Search and Discovery.com
... trace (Figure 1.a). As shown in Figure 1.a, the first event is created by adding a positive Ricker wavelet of 40 Hz at sample No. n=16. The second...
Unknown
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... in simulations, the time step is 1ms, the spatial step is 12.5m, and a Ricker wavelet with the frequency of 30Hz is placed in the model’s center as the source...
2023
Bi-directional LSTM-based non-causal deconvolution
G. Roncoroni, I. Deiana, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
...ms a deconvolution comparable to the RCD case, obtaining spikes at the center lobe of the Ricker wavelet in the reflections. Both algorithms preser...
2024
XI. Bibliography
Norman S. Neidell
AAPG Special Volumes
..." Geophysics, V. 20, No. 3, p. 516-538, 1955. Ricker (N.), "Wavelet contraction, wavelet expansion and the control of seismic resolution" Geophysics, V. 18...
1979
Frequency-dependent seismic-stratigraphic and facies interpretation
Hongliu Zeng
AAPG Bulletin
... tuning and frequency tuning are equivalent. For a certain wavelet (e.g., 20 ms for a 25-Hz Ricker wavelet; Figure 1A), tuning thickness...
2013
Seismic Expression of the Versippi Lodgepole Field, Stark County, North Dakota
Jeffrey C. Sprain
Rocky Mountain Association of Geologists
... facies were used to build the geologic model. The seismic response of a 25 Hz Ricker wavelet convolved with this model (Fig. 5A) shows an expected time...
1997
ABSTRACT: Stratigraphic Geometry of Cavern Collapse and Seismic Modeling - A Predictive Tool for Exploration, by Robertson C. Handford; #91020 (1995).
Search and Discovery.com
1995
Abstract: Prediction of Paleocave Reservoirs Through Seismic Modeling of Modern Analogs, by C. R. Handford; #90956 (1995).
Search and Discovery.com
1995
Abstract: Seismic Model of a Mixed Siliciclastic-Carbonate Ramp to Basin Transition: Southwest Paradox Basin, Colorado and Utah, Usa, by A. Wunderlich, E. Kiefer, S. Egenhoff, J. Schneider, and T. Bohlen; #90090 (2009).
Search and Discovery.com
2009
Abstract: Reflection-based Traveltime Inversion Using Segment Dynamic Image Warping; #91204 (2023)
Lu Liu
Search and Discovery.com
... from the expected realistic ones. 400 shot gather are uniformly simulated with a 16 Hz Ricker wavelet as source and one-way wave equation as engine. Each...
2023
AVO and Impedance Response of Perdices Miocene Sands, Lower Magdalena Valley Basin.
Oscar Moreno, Loz Darmon, Fernando Cerda, Anubrati Mukherjee
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., namely using a 30 Hz, 45 Hz and 75 Hz Ricker wavelet, were also generated. AVO and impedance response from the models were compared to data from seismic...
2008
Finite Difference Modeling: Part I: Become Expert in Five Minutes
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... in Part II of the series. The Wave Equation The laws of physics are generally written down as differential equations, or relations involving rates...
2018
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
.... Another important aspect of resolvability involves the wavelet bandwidth. Most model studies have used Ricker or similar zero-phase wavelets which do...
1985
Biogenic Gas Reservoir Distribution Analysis Using AI Inversion and Seismic Attributes in The Nias Basin, North Sumatra
Nurul Azizah Haris, Ninda Saphira Mustafa, Fathkhurozak Yunanda Rifai, Shaska R. Zulivandama, Sabrianto Aswad
Indonesian Petroleum Association
... and a Ricker wavelet. Wavelets that have the best correlation value will be convolved with the reflection value of the rock layer to produce...
2020
3D seismic facies clustering through spectral decomposition using unsupervised ML
Orkhan Mammadov, Ilkin Karimli, Konstantin Matrosov, Ruslan Malikov, Izat Shahsenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... to a Ricker wavelet with a dominant frequency denoted as "f" (see Equation 2) 𝜓(𝑡) = (1 − 2𝜋 2 𝑓 2 𝑡 2 )𝑒 −𝜋 2 𝑓2 𝑡 2 (2) Equations 1-2...
2024
Relative Impedance Inversion of Seismic Traces by Means of Complex Trace Attributes (CTA Inversion) 40 Years On!, #42179 (2018).
Kurt Grubbe, Sean McQuaid
Search and Discovery.com
... for a simple wedge. T denotes dominant period of a zero-phase wavelet (Ricker 20Hz). (Altered from: Robertson and Fisher, 1988) o Degrees The chart...
2018