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The AAPG/Datapages Combined Publications Database

Showing 15,431 Results. Searched 201,049 documents.

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

Somanath Misra and Mauricio Sacchi

Search and Discovery.com

.... Cumulants, which involve higher order statistical calculations, are known to preserve the amplitude and phase signatures of the wavelet. Unlike...

2015

Postavulsion channel evolution: Niger Delta continental slope

Dominic A. Armitage, Tim McHargue, Andrea Fildani, Stephan A. Graham

AAPG Bulletin

... resulting in avulsion can be applied to other subsurface data where compensating high-amplitude channel belts are recognized. In the context...

2012

Diurnal Variations in the Carbonate Saturation of Seawater

Robert F. Schmalz, Frederick J. Swanson

Journal of Sedimentary Research (SEPM)

... and the most soluble carbonate phase with which they are in contact at the time of maximum activity of dissolved CO2. The amplitude of the daily change...

1969

Zebra Prospect – Reading Between the Stripes

Brenton Oke, Jon Keall, Paul Carroll, Ron Noble, Tom Setzer

Indonesian Petroleum Association

... will be shown as a dark peak; the highest values are coloured blue-green. To aid in later amplitude analysis, the zero-phase data were rotated 90...

2004

Appendix D: Summary of Recommendations to Help Today’s Interpreter Get More Geology Out of 3-D Seismic Data in a Reasonable Period of Time

Alistair R. Brown

AAPG Special Volumes

... the color scheme with care Question data phase and polarity Tie seismic data to well data on character Try to believe seismic amplitude Understand...

2011

Deltaic Facies Recognition on Seismic Data: ABSTRACT

R. Reynaud, P. R. Louis, J. Lacaze

AAPG Bulletin

... facies generally display parallel or slightly divergent reflections. An analysis of internal parameters (such as continuity amplitude, frequency...

1979

Spectral Balancing of Seismic Data Using Spectral Decomposition; #41976 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... features in terms of spectral components and so help in the interpretation. The phase components help with the interpretation of the discontinuity features...

2017

Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences

Martino Foschi, Joseph A. Cartwright, and Frank J. Peel

AAPG Bulletin

... J. Peel 2014 1859 1884 98 9 We present the results of a seismic interpretational study of amplitude anomalies in the East Falkland basin using...

2014

Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts

Hongliu Zeng

Search and Discovery.com

.... Amplitude-versus-frequency analysis 4. Case study Scale of sequence stratigraphy (model) 3rd-order sequence Kerans and Tinker (1997) TENS...

Unknown

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... to the interface, the amplitude buildup occurs after the travel time to the reflector. Zero-phase wavelets are sometimes used in making models. Such wavelets...

1977

Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach

Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser

AAPG Bulletin

... to account for their 3-D variability (see Zeng et al., 1998a, b). Root-mean-square amplitude or maximum-magnitude maps provide phase-independent records...

2014

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... prospects, and those high-amplitude zones with low-background amplitude or with nearby phase-reversal zones are especially promising. Figure 9 shows...

2009

Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis

Robert Ehrlich, John J. Orzeck, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... - On), where Rn represents the amplitude of the "nth" harmonic and the remainder concerns the phase angle of that harmonic. The set of harmonic...

1974

A Method for Predicting Sand Thickness from 3D Seismic, Upper Jurassic Frisco City Sand, Monroe County, Alabama

Gregory J. Halvatzis, Kevin B. Hill

GCAGS Transactions

... 2000 55 63 Vol. 50 (2000), As exploration for Upper Jurassic Haynesville Formation reservoirs in southwest Alabama enters a mature phase and continues...

2000

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... by determining which amplitude, phase, and frequency changes in the reflected wavefield correspond to certain stratigraphic and lithological changes...

1985

A fractal model for hydrocarbon resource assessment with an application to the natural gas play of volcanic reservoirs in Songliao Basin, China

Caineng Zou, Qiulin Guo, Jinghong Wang, Hongbing Xie

CSPG Bulletin

... Fourier transform (FFT), obtaining an amplitude map and phase map. The fractal model (Equation 4) is used to generate an unbiased estimation...

2012

Fundamentals of 3D Seismic Volume Imaging; #120169 (2014)

Gerald D. Kidd

Search and Discovery.com

... important information such as scaling, amplitude distribution, clipping, null values and phase shifts, which are discussed in the following paragraphs...

2014

The importance of viscoelastic waveform inversion in VSP: Synthetic studies

Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the best fit of the phase shape. Once the wavelet shapes match, it grid-searches M by comparing the maximum amplitude of each trace between...

2022

Seals - A Critical Element To Successful Exploration and Production - Workshop Summary

Robert Sneider, Ronald Surdam, Charles Vavra

PTTC

... in the evaluation of a potential hydrocarbon accumulation. Seals can be detected by a variety of tools such as pressure tests, seismic amplitude analysis...

2000

Least-squares reverse time migration for attenuating TTI media

Xinru Mu, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... media that not only corrects for the amplitude attenuation and phase distortion of seismic waves caused by viscosity and anisotropy, but also improves...

2024

Stratigraphic Architecture and Evolution of Canyons and Other Sediment Conduits in the SE Loppa High, Barents Sea; #51471 (2018)

Dicky Harishidayat, Ståle Emil Johansen, Kamaldeen Olakunle Omosanya, Solveig Plyem Løseth

Search and Discovery.com

... the data. These canyons are associated with two main seismic depositional elements i.e., conformable and thalweg high amplitude reflections. Slope gradient...

2018

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