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The AAPG/Datapages Combined Publications Database
Showing 8,906 Results. Searched 200,293 documents.
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user
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... that combines statics, signal-to-noise ratio, and eigenimages to construct a surfacewave noise model and then applies an adaptive subtraction to remove...
Unknown
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user
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... signal, the AVO response of wet and dry coals is sufficiently distinct to discriminate between the different states of water saturation. In part...
Unknown
ABSTRACT: MULTI-TRANSIENT ELECTRO-MAGNETISM: AN INNOVATIVE GEOPHYSICAL EXPLORATION TECHNIQUE
Bruce Walker and Anton Ziolkowski
Geological Society of Trinidad & Tobago
... is DC resistivity. This basically involve supplying a direct current to a circuit and then recording the return signal; this secondary signal is due...
2007
Abstract: Nonlinear interactions of shear waves in an elastic medium
Lauren Hayes, Alison Malcolm
Atlantic Geology
..., which is key when exploiting unconventional oil and gas plays. We present a laboratory experiment in which a strong-signal, lower frequency shear wave...
2017
1989
ABSTRACT: Feasibility Study of Seismic-While-Drilling Using Hammer Drilling Technology, by Shoichi Nakanishi, Brian Evans, and Kevin J. Dodds; #90913(2000).
Search and Discovery.com
2000
ABSTRACT: Eustatic and Tectonic Bias in Climate Inferences From Shallow Marine and Nonmarine Sediments During Ice House Periods, by Gregory C. Nadon; #90906(2001)
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2001
2008
-- no title --
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...user Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters Kristof De Meersman and Chris...
Unknown
Production Studies Using NMR and High-Frequency Dielectric Permittivity
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-- no title --
user
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...user Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters Kristof De Meersman and Chris...
Unknown
Abstract: Properties of Gabor Operators for Seismic Imaging; #90171 (2013)
Michael P. Lamoureux and Gary F. Margrave
Search and Discovery.com
... and convolution operators. The Gabor mulitplier acts as a “best fit” approximation to pointwise modification of a signal in the Gabor domain...
2013
Abstract: Optimization of a 3-axis induction magnetometer for airborne time domain electromagnetic geophysical surveys
J. C. Dupuis, B. G. Colpitts, B. R. Petersen
Atlantic Geology
..., B. R. Petersen Atlantic Geology 139 signal-to-noise ratio, overall weight, maximum dimensions, and bandwidth must all be taken into account during...
2004
Abstract: Carbon isotope chemostratigraphy in the Late Ordovician in Arctic Canada: the signal of the Hirnantian glaciation
Michael J. Melchin, Chris Holmden
Atlantic Geology
...Abstract: Carbon isotope chemostratigraphy in the Late Ordovician in Arctic Canada: the signal of the Hirnantian glaciation Michael J. Melchin, Chris...
2006
TV Filter Decon Before and After Stack and Effect of Noise on Decon: ABSTRACT
John F. Bradshaw
AAPG Bulletin
... on the deconvolution process, the effect of the order in which the process is carried out, and the visual signal enhancement by filtering after...
1968
Abstract: White Noise Suppression in the Time Domain Part II; #90174 (2014)
Patrick Butler
Search and Discovery.com
... when the signal to noise ratio approaches 30 dB. It can be used for velocity analysis, section cleanup and enhancement and spectral whitening...
2014
2006
Abstract: FX Singular Spectrum Analysis; #90171 (2013)
Mauricio D. Sacchi
Search and Discovery.com
... interest on the subject. References Cadzow, J.A., 1988, Signal enhancement: a composite property mapping algorithm. IEEE Trans. Acoustic Speech Signal...
2013
Enhancing seismic data quality: A machine learning approach to denoising and signal damage reduction
Mark Roberts, Olga Brusova, Leandro Gabioli, Alejandro Valenciano
International Meeting for Applied Geoscience and Energy (IMAGE)
...Enhancing seismic data quality: A machine learning approach to denoising and signal damage reduction Mark Roberts, Olga Brusova, Leandro Gabioli...
2024
Optimal Configuration and Information Content of Sets of Frequency Distributions: DISCUSSION
Donald Bowles, Patrick Mclaren
Journal of Sedimentary Research (SEPM)
... methods that maximized the amount of information in the signal so that the most efficient use could be made of the available tranmission capacity. Enter...
1985
Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)
Nirupama (Pam) Nagarajappa
Search and Discovery.com
... noise attenuation References Cadzow, J., 1988, Signal enhancement – a composite property mapping algorithm: IEEE Transactions on acoustics, speech...
2014
Abstracts: Empirical Mode Decomposition and Robust Seismic Attribute Analysis; #90173 (2015)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
... the suitability of empirical mode decomposition (EMD) for the seismic attribute analysis and time-frequency analysis. EMD decomposes a seismic signal...
2015
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
... [email protected] Summary Source wavelet estimation is the key in seismic signal processing for resolving subsurface structural properties. Homomorphic...
2015
Retrieving geological signal from full tensor gravity gradiometry data using source body migration
Colm Murphy, Richard Farnell, Chris Bellamy, Alan Morgan
International Meeting for Applied Geoscience and Energy (IMAGE)
...Retrieving geological signal from full tensor gravity gradiometry data using source body migration Colm Murphy, Richard Farnell, Chris Bellamy, Alan...
2023
Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)
Wujin Chen and Anchu Wu
Search and Discovery.com
...Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014) Wujin Chen and Anchu Wu Study on Characteristic...
2014