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The AAPG/Datapages Combined Publications Database

Showing 2,330 Results. Searched 200,639 documents.

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Seismic Stratigraphy and Global Changes of Sea Level: Part 5. Chronostratigraphic Significance of Seismic Reflections: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

P. R. Vail, R. G. Todd , J. B. Sangree

AAPG Special Volumes

... seismogram is a 15-Hz first Gaussian derivative wavelet, essentially a sine wave. The detailed synthetic plots display from left to right: (1) well...

1977

Seismic Stratigraphic Study of Two Oxfordian Carbonate Sequences, Eastern Saudi Arabia

George S. Langdon , Steven J. Malecek

AAPG Bulletin

...------------------------------ fold (120) provided high-resolution, low-noise data that were further improved by wavelet processing. Line A is shown in Figure 4...

1987

Seismic Stratigraphy of Early Pennsylvanian Morrowan Sandstones, Minneola Complex, Ford and Clark Counties, Kansas: REPLY

S. L. Clark

AAPG Bulletin

... with geophysical detail on deconvolution, wavelet shaping, automatic gain control, etc. For this reason, I wished to publish in the AAPG Bulletin rather...

1989

Predicting porosity, water saturation, and shale volume with high-resolution seismic inversion using Hopfield network: Upper Assam Basin, India

Son D. T. Phan, Triveni Gogoi, Rima Chatterjee,and Mrinal K. Sen

AAPG Bulletin

...) applied HNN in their deconvolution and wavelet extraction problems. Calderon-Macias et al. (1997) applied HNN and mean field annealing to deconvolution...

2022

Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement

Mauricio D. Sacchi

Search and Discovery.com

... and velocity estimation: Geophysics, Soc. of Expl. Geophys., 49, 1869-1880. Mallat S., 1998, A Wavelet tour of Signal Processing, Academic Press. Sacchi, M...

Unknown

EXTENDED ABSTRACT: Sub-basalt imaging from a wave propagation point of view; #90022 (2002)

Richard Hobbs, Francesca Martini

Search and Discovery.com

... frequencies in the source wavelet will get preferentially scattered. So as the seismic wave passes through the basalt only the lower frequencies retain...

2002

Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement

Mauricio D. Sacchi

Search and Discovery.com

... and velocity estimation: Geophysics, Soc. of Expl. Geophys., 49, 1869-1880. Mallat S., 1998, A Wavelet tour of Signal Processing, Academic Press. Sacchi, M...

Unknown

Abstract: Impedance Inversion of Blackfoot 3D Seismic Dataset; #90171 (2013)

A. Swisi and Igor B. Morozov

Search and Discovery.com

... , (2) where S denotes the seismic trace, W is the wavelet, R is the reflectivity, and n is the noise. If W is estimated and the noise is uncorrelated...

2013

Abstract: Attribute-Assisted Stratigraphic Interpretation; #90172 (2014)

Fred M. Peterson

Search and Discovery.com

... attribute, which is based on the anomalous response of instantaneous frequency to beds less than ¼ of the wavelet period (Robertson and Nogami, 1981...

2014

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

... of the wavelet. The key to understand how this algorithm predicts the internal multiples just with the data itself is to realize that the convolution...

2014

Abstract: Physical Parameter Estimation in rock samples via Image Analysis of Computed Micro-Tomographies (CMT); #90174 (2014)

Andres Medina, Doug Schimtt, Randy Koffman, and Gautier Njiekak

Search and Discovery.com

...fter each CMT-scan is segmented, pore edge detection is performed. The specific procedure used is based on the discrete wavelet transform ...

2014

Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)

Benjamin Roure and Jon Downton

Search and Discovery.com

... approximations (Vavryčuk and Pšenčík, 1998, Pšenčík and Martins, 2001, Shaw and Sen, 2006, …), W is the angle dependent wavelet and data is the real azimuthal...

2014

Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)

Peter Manning, Joe Wong, and David Henley

Search and Discovery.com

... is 0.20m, the time step is 0.25ms, and the number of time steps is 4000. Dominant frequency of source wavelet is 30Hz. Discussion Complete modeled datasets...

2014

Abstract: Acceleration on Sparse Promoting Seismic Applications; #90187 (2014)

Lina Miao and Felix Herrmann

Search and Discovery.com

... spike reflector, b is the source wavelet, c shows the recovery from SPGℓ1 and PQNℓ1 in the middle and bottom, d shows a variation within PQNℓ1...

2014

Abstracts: Quantitative Geomodelling with Qualitative Inputs: Optimizing a Waterflood and Reversing Production Decline; #90173 (2015)

D. I. Close, M. Slikas

Search and Discovery.com

... delineation and also to quantitatively assess the effect on wavelet extraction and inversion of the 5D interpolation of the reflection data prior to pre...

2015

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

... with a distinct dip and/ or wavelet denoted by an index k. A local AAPG Search and Discovery Article #90173 CSPG/CSEG/CWLS GeoConvention 2011, Calgary...

2015

Abstracts: Application of Neural Network Analysis and Post-Stack Inversion - Case Studies in Alberta; #90173 (2015)

Somanath Misra and Satinder Chopra

Search and Discovery.com

.... The usual practice is to obtain an estimate of the embedded wavelet and recursively update a suitably chosen impedance profile so as to minimize the data...

2015

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

Abstract: Integrated Interpretation of Microseismic Data with Seismic Attributes from Hoadley Field, Central Alberta; #90224 (2015)

Aamir Rafiq and David W. Eaton

Search and Discovery.com

... acoustic impedance (Chopra and Marfurt, 2012). Impedance volume can be extracted by removing seismic wavelet from reflectivity through seismic inversion...

2015

-- 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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