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The AAPG/Datapages Combined Publications Database

Showing 336 Results. Searched 195,354 documents.

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Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 1 demonstrates that convexity of W2 under shift is preserved after renormalization of a model elastic wave with a Ricker wavelet source...

2023

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

.... The synthetic seismic trace was created using a Ricker wavelet with a dominant frequency of 40Hz. The last event of the synthetic seismic trace is generated...

2015

Abstracts: Feasibility of 4D Multicomponent Seismic Methods for Monitoring CO2 Storage in the Redwater Leduc Reef, Alberta; #90173 (2015)

Taher M. Sodagar and Don C. Lawton

Search and Discovery.com

... were generated by convolving the reflectivity functions at the computed arrival times with a zero-phase 40 Hz Ricker wavelet for PP data and a 20 Hz...

2015

Seismic Characterization of Large-scale Sandstone Intrusions

Mads Huuse, Joe Cartwright, Andrew Hurst, Noralf Steinsland

AAPG Special Volumes

... modeling traces using a 30-Hz Ricker wavelet. Note that a prospective sandstone may result in a bright soft, bright hard, or dim event, depending...

2007

Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction

Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...-velocity (Figure 3). The source pulse is a Ricker wavelet of 100-Hz central frequency. We set up two cases on this model: one with no thin beds...

2015

Use of 2-D and 3-D Seismic Data to Reduce Drilling Risk, Ismay Algal-Mound Play, Southern Paradox Basin

Beth McBride, Claudia A. Rebne

Rocky Mountain Association of Geologists

... response is shown with a 40 Hz Ricker wavelet (Fig. 6B). The tuning point is defined as where constructive interference of the wavelets from the positive...

1997

Minnelusa Formation Exploration, Powder River Basin, Wyoming: An Integrated Approach

Laura A. Welch, Jesse C. Taylor

Rocky Mountain Association of Geologists

... wavelet similar in character to a Ricker wavelet. Ricker wavelets were therefore used to create synthetic seismogramsfrom the well logs to correlate...

1985

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... edge (Fig. 1). The source signature shown in the Fig.2, is a single Ricker wavelet with 50Hz. dominant frequency. The computation of all the 2D...

2014

A dense linear array for passive seismic imaging of geothermal structural features: The FOAL experiment at Utah FORGE

Jaewoo Kim, Jonathan Ajo-Franklin, Tanner Shadoan, Valeriia Sobolevskaia, Julia Correa, Barry Freifeld

International Meeting for Applied Geoscience and Energy (IMAGE)

... was generated by convolving a Ricker wavelet with a center frequency of 30 Hz with arrival time data predicted through ray tracing using a velocity model...

2023

From a Field Based Geological Model to a Seismic Image: The Middle Eocene Ainsa System (South-Central Pyrenees); #90017 (2003)

Giovanni Benevelli, S. Angella, L. Fava, P. Rocchini, A. Valdisturlo

Search and Discovery.com

... to compare the synthetic seismic line with the acquired one, we choose a zero-phase, 100 Hz Ricker wavelet (fig. 1). The seismic-modeling software offers...

2003

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... triangles, while the source is explosive modeled with a Ricker wavelet with a peak frequency of 30HZ. Both the pressure and particle velocities...

2015

One-Dimensional Prestack Seismic Inversion with Very Fast Simulated Annealing using Edge-Preserving-Smoothing Filter; #41576 (2015)

Somanath Misra, Mauricio Sacchi

Search and Discovery.com

... the Aki-Richards approximation of Zoeppritz equations. The angle-dependent reflection coefficients are further convolved with a known Ricker wavelet...

2015

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... as in Figure 6a. Figure 8b shows a vertical incidence synthetic seismogram of the platform margin model using a 50-Hz Ricker wavelet...

1992

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... results from convolution of the reflection coefficients estimated from velocity and density logs with a zero phase Ricker wavelet of desired bandwidth...

1983

Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.

Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han

Indonesian Petroleum Association

... be continued, in this case the angle is set between 5o – 45o with 30Hz Ricker wavelet convolution to model the offsetdependent reflectivity synthetic...

2021

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and acquisition limitations (geometry footprint, bandlimited source wavelet). An estimate of reflectivity can then be derived through iterative...

2023

Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)

Wubing Deng and Igor B. Morozov

Search and Discovery.com

...-domain differential equations (1)–(3) can be readily implemented in 1-D a finite-difference algorithm. The source is modelled as a zero-phase Ricker...

2015

ABSTRACT: Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology; #90007 (2002)

Marcus L. Countiss

Search and Discovery.com

... directly from it. The operation is entirely mathematical with no wavelet estimation or other interpretive input applied. The primary requirement...

Unknown

Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey

Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove

AAPG Bulletin

... are then calculated along the ray path, and these coefficients are convoluted by a Ricker wavelet. This method is fast and correctly images inclined reflectors...

2007

Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014)

Lin Zheng, Qi Zhao, Qinya Liu, Bernd Milkereit, and Giovanni Grasselli

Search and Discovery.com

..., derive a set of relationships for the momentum equation over the subspace defined by the element set, and assemble these relations into a linear system...

2014

-- no title --

Ehsan, Athar

Search and Discovery.com

... VGFWI wave equation to those computed by the convention FWI method. A single shot ejecting a ricker wavelet, dominant frequency of 10.0Hz was placed...

Unknown

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... shot ejecting a ricker wavelet, dominant frequency of 10.0Hz was placed at the middle of the cube. Snapshots at different time intervals were recorded...

2023

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