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The AAPG/Datapages Combined Publications Database

Showing 1,633 Results. Searched 195,354 documents.

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VI. Qualitative Stratigraphic Correlations

Norman S. Neidell

AAPG Special Volumes

... figures compare both wavelets A and B for the seismic response to the synthetic seismogram derived from the logs using the same wavelets. The synthetic...

1979

Application of high-resolution reflection seismology to eastern Kansas cyclothems

Ralph W. Knapp

Kansas Geological Society

... are zero-phase wavelets and have a symmetric distribution of energy which converges toward zero on both sides of the peak as time increases. Zero...

1989

IV. The Role of Seismic Wavelets and Wavelet Processing

Norman S. Neidell

AAPG Special Volumes

...IV. The Role of Seismic Wavelets and Wavelet Processing Norman S. Neidell 1979 40 60 CN 13: Stratigraphic Modeling and Interpretation: Geophysical...

1979

Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)

Mirko van der Baan

Search and Discovery.com

... for enhanced robustness, while (3) ensuring that the amplitude at the Nyquist frequency remains zero. This procedure leads to a symmetric, zero-phase wavelet...

2013

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

... and, as a consequence, the drastic variations of the downgoing wavelets for different source positions. Careful treatment of the source wavelet is crucial for FWI...

2015

Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data

Norman S. Neidell, Elio Poggiagliolmi

AAPG Special Volumes

... wavelets by thin layers and layered boundaries: Geophys. Prosp. (Netherlands), v. 17, p. 1-27. Nath, A. K., 1975, Reflection amplitude, modeling can help...

1977

Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)

Neda Boroumand and Hassan Khaniani

Search and Discovery.com

...) first motion behavior for each U x and U z displacement component; the solid blue wavelets indicate the polarity in the U x direction and the red...

2014

V. Contributions of GeoSeismic Modeling

Norman S. Neidell

AAPG Special Volumes

.... A wavelet processed section using a symmetric simple waveform yields a more readily interpretable section. In this case, the sand is sufficiently thick...

1979

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

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

Search and Discovery.com

... algorithm stability. It is also useful to consider non-symmetric partition schemes, where the analysis operators may be different from synthesis...

2014

TECTONIC EVOLUTION AND HYDROCARBON MIGRATION IN THE HUANGHUA BASIN, NE CHINA

Chen Fajing and Zhang Shulin

Journal of Petroleum Geology

... is part of a Paleogene "dustpan"-type fault-bounded basin, whose tectonic development includes half-graben to asymmetric and symmetric graben styles. Some...

1991

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... filter (Robinson, 1967) to shape the wavelet to a desired form. The usual derived wavelet shape in such cases being a zero-phase (symmetric) wavelet...

1980

Abstract: Wavelet Estimation by Non-Linear Optimization of All-Pass Operators; #90211 (2015)

Somanath Misra and Mauricio Sacchi

Search and Discovery.com

... the third order cumulants, the fourth order cumulants do not vanish when the reflectivity series is symmetric (Walden and Hosken, 1986). Tugnait (1987...

2015

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

Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

L. D. Meckel Jr. , A. K. Nath

AAPG Special Volumes

..., are symmetric zero-phase wavelets similar to what might be obtained with wavelet processed data (Nath and Patch, 1977). The other model is a more...

1977

Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico

Jan Stafleu , Mark D. Sonnenfeld

Journal of Sedimentary Research (SEPM)

..., "parasequences"), to less frequently documented symmetric transgressive and regressive cycles in slope settings, to asymmetric transgressive hemicycles...

1994

Abstract: High Resolution 3D Seismic Imaging in Practice — Jasmine Oil Field, Thailand

Charles Ramsden

Southeast Asia Petroleum Exploration Society (SEAPEX)

... survey over the Jasmine Oil Field, offshore Thailand demonstrates that a pursuit of 2D symmetric sampling principles, complemented by high-density...

2005

I. Relating Seismic Data to Stratigraphy

Norman S. Neidell

AAPG Special Volumes

.... In one panel the original waveform is present while in the second, a shorter waveform of simple symmetric character has been introduced. An increase...

1979

Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)

Langqiu Sun

Search and Discovery.com

... the correlation wavelet being distorted as propagation distance changing. In both experiments, peaks of the correlation wavelets drifted away from the zero lags...

2015

Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study

Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani

Unconventional Resources Technology Conference (URTEC)

...: 𝑀𝑀 𝑥𝑥𝑥𝑥 𝑀𝑀 𝑥𝑥𝑥𝑥 𝑀𝑀 𝑥𝑥𝑥𝑥 𝑀𝑀 𝑦𝑦𝑦𝑦 𝑀𝑀 𝑦𝑦𝑦𝑦 𝑀𝑀 𝑦𝑦𝑦𝑦 � (2) 𝑀𝑀 = � 𝑀𝑀 𝑧𝑧𝑧𝑧 𝑀𝑀 𝑧𝑧𝑧𝑧 𝑀𝑀 𝑧𝑧𝑧𝑧 and is symmetric (Mxy = Myx, Mxz = Mzx...

2017

Shallow-Marine Currents on Early(?) Triassic Wyoming Shelf: ABSTRACT

M. Dane Picard, Lee R. High, Jr.

AAPG Bulletin

...------------------------------ that "symmetric" and "asymmetric" ripple marks are not wave- and current-formed, respectively. Rather, most ripple marks possess some degree of asymmetry...

1968

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