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The AAPG/Datapages Combined Publications Database

Showing 695 Results. Searched 200,663 documents.

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Comparison of conventional lithofacies estimation and litho-petro-elastic inversion (LPE) in shallow offshore Mexico

Michelle Ellis, Charles Inyang, Carlos Alberto Montilla Nava, Janet Ravelo Cervantes, Doan Saavedra Castaeda, Jos Bernardo Vsquez Guerrero

International Meeting for Applied Geoscience and Energy (IMAGE)

..., wavelets for each angle stack and low-frequency (3Hz) models for AI, Vp/Vs and density derived from filtered logs and propagated using interpreted...

2022

Utilizing Variably Integrated Spectral Frequency to Extract Entire Fluvial Systems

Pongthep Thongsang, Mirza Naseer Ahmad

Indonesian Petroleum Association

... is stretching a wavelet to optimize the best coefficient and this stage is iterative method, which repeats step one and step two. Different type of wavelets...

2013

Broadband Marine Seismic, Does Acquisition Make a Difference?

Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng

Indonesian Petroleum Association

... the difference in amplitude and phase of the wavelets in the time domain. Figure 3 - Comparisons of various acquisition techniques and their associated signal...

2013

Try Before You Buy!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... used as 3D convolution wavelets, integrating both illumination and resolution effects. That way, classic seismic processing is completely avoided...

2020

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

.../azimuth NMO.) The computed arrivals for each crossline CMP bin are 3D NMO CMPBIN • corrected, muted and stacked conventionally. The wavelets...

1997

Analysis of Fracture Injection Tests using Signal Processing Approach

I. Eltaleb, A. Rezaei, F. Siddiqui, M. M. Awad, M. Mansi, B. Dindoruk, M. Y. Soliman

Unconventional Resources Technology Conference (URTEC)

... a simultaneous timefrequency analysis of a signal. CWT is best suited for time-frequency analysis as these wavelets do not have negative frequency...

2020

Comparative Analysis of Simultaneous Inversion Result with Elastic Inversion and AVO Envelope in Sumandak Field (Geophysics Paper 9)

Yeshpal Singh

Geological Society of Malaysia (GSM)

... represents the workflow for computation of AVO envelope, elastic inversion and simultaneous inversion. Independent wavelets are estimated for each partial...

2008

High-Resolution Hyperspectral Imaging Technology: Implications for Thin-Bedded Reservoir Characterization

Tobi H. Kosanke, Stephanie E. Perry, Rubin Lopez

GCAGS Transactions

... content estimation of Athabasca oil sand from hyperspectral infrared reflectance spectra using Gaussian singlets and derivative of Gaussian wavelets: Fuel...

2017

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

...-check that variations in the frequency, phase, and (especially) polarity of wavelets were accounted for during interpretation. Lines that were...

1992

Practical Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

M. W. Schramm Jr., E. V. Dedman, J. P. Lindsey

AAPG Special Volumes

... is used. Traces 1 through 5 represent the individual responses of each acoustic interface to the respective wavelets, and trace 6 in each of the two...

1977

Abstract: Application of Multiresolution Analysis in Removing Ground-penetrating Radar Noise; #90171 (2013)

Yih Jeng, Chuan-Hung Lin, Yi-Wei Li, Chih-Sung Chen, and Hsin-Han Huang

Search and Discovery.com

.... H., 1995, Wavelets for Computer Graphics: A primer, Part 1: IEEE Computer Graphics and Applications, 15, May, 76-84. AAPG Search and Discovery...

2013

Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)

Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann

Search and Discovery.com

..., for higher dimension singularities, wavelets fail to give a parsimonious representation of an image. Figure 1: A few curvelets in both spatial (left...

2013

Abstract: Integration of Well Logs and Seismic Data for Prediction of Elastic Properties in a Heavy Oil Sand Reservoir: Manitou Lake, Saskatchewan; #90171 (2013)

Maria F. Quijada and Robert R. Stewart

Search and Discovery.com

...- and S-impedance values. The amplitude spectrum of the extracted wavelets (Figure 3) shows the significant difference in bandwidth between the two...

2013

Abstract: SAGD Well Planning Using Stochastic Seismic Inversion; #90172 (2014)

Franck Delbecq, Rémi Moyen

Search and Discovery.com

... delineation wells. The seismic data has frequencies up to 200 Hz and 4 angle stacks are available, ranging from 6 to 28 degrees. Statistical wavelets were...

2014

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

...., 2004, Frames of subspaces: (Wavelets, Frames and Op. Thy) Contemp. Math., 345, 87–113. Christensen, O., 2003, An Introduction to Frames and Riesz...

2014

Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)

Akshay Gulati and R. J. Ferguson

Search and Discovery.com

... is a synthetic trace made up of two ricker wavelets. To test the algorithm data is being clipped in Figure 3b. Followed by reconstruction using...

2015

Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)

Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson

Search and Discovery.com

...., and Kutyniok, G., 2004, Frames of subspaces: (Wavelets, Frames and Op. Thy) Contemp. Math., 345, 87–113.  Christensen, O., 2003, An Introduction...

2015

Abstract: Robust Surface-Consistent Residual Statics and Phase Correction … Part 2; #90224 (2015)

Peter Cary and Nirupama Nagarajappa

Search and Discovery.com

... estimates both statics and phase corrections, and therefore finds the optimum solution in Figure 1(c). The difference between the coherence of the wavelets...

2015

Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202 (2022)

Said Gaci, Mohammed Farfour, and Saliha Amoura

Search and Discovery.com

... Geosciences Union (EGU), 2004, 11 (5/6), 561-566. Holschneider, M., 1995. Wavelets - an analysis tool, Oxford mathematical monographs. Honório, B., Drummond...

2022

Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)

Liansheng Liu, Chunlan Xing

Search and Discovery.com

... significant improvements. Professor Yu Shoupeng (1996) synthesized Ricker wavelets of different frequencies to obtain a new type of wavelet, namely Yu's...

2025

Neural Network Analysis versus Pre-Stack Seismic Inversion for Reservoir Characterization, Scarab Field, Offshore Nile Delta, Egypt; #41422 (2014)

Islam Ali Mohamed

Search and Discovery.com

...) Seismic data Inverted data Wavelets Initial Model Inversion products: Zp, Zs, & Vp/Vs Introduction >> Pre-stack Inversion >> Neural Network...

2014

Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).

Yong Xu, Satinder Chopra

Search and Discovery.com

... the wavelet does not have a boxcar spectral shape, wavelets need to be estimated first. Amplitude ratio of non-stretched wavelet to the stretched wavelet...

2015

AVO Analysis, Inversion and Spectral Decomposition to Detect Thin Channelized Sandstone Reservoir of BED-15, Western Desert, Egypt, #20369 (2016).

W. Salah, I. Mohamed, S. Talaat

Search and Discovery.com

... Simultaneous Inversion Workflow Pre-Inversion Feasibility Study Vp/Vs Vp/Vs Sand Sand Zp Lambda-Rho Mu-Rho Density Density Density Wavelets...

2016

Poisson Impedance Application to Shale Resource Characterization; #41772 (2016)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... the P-impedance and S-impedance low-frequency impedance models, and the appropriate wavelets from the two seismic datasets in the broad zone of interest...

2016

Organically-Rich Sweet Spot Determination in Utica Shale; #42137 (2017)

Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay

Search and Discovery.com

... partial-angle stacks, a reliable low-frequency model and angle-dependent wavelets. The attributes derived from the simultaneous inversion are P-impedance...

2017

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