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The AAPG/Datapages Combined Publications Database
Showing 147 Results. Searched 200,293 documents.
Abstract: Wavelet Estimation by Non-Linear Optimization of All-Pass Operators; #90211 (2015)
Somanath Misra and Mauricio Sacchi
Search and Discovery.com
... amplitude spectrum as that of the true mixed phase wavelet. Thus, deconvolving the trace with the minimum phase wavelet not only removes the wavelet...
2015
Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)
Somanath Misra and Satinder Chopra
Search and Discovery.com
... with minimum phase wavelet assumption leaves the data with spurious phase. The phase correction required to remove the spurious phase can be done by a simple...
2015
Tuning Effects' Impact on Seismic, by Gwang Lee, Keumsuk Lee, and Han Kim, #40474 (2009)
Search and Discovery.com
2009
ABSTRACT: A Robust Method for Q Estimation, by Taner, M. Turhan, Sven Treitel; #90026 (2004)
Search and Discovery.com
2004
Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)
Rajesh Vayavur and Andrew. J. Calvert
Search and Discovery.com
... is 25m. A raw shot gather with minimum phase low-pass filter (0-0-15-20Hz) from the section is shown in Figure1. First arrivals are partly obscured...
2014
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
... relies on the fulfillment of a set of assumptions on which the convolutional model is based: stationarity, minimum phase wavelet, white reflectivity...
2015
ABSTRACT: Seismic Wavelet Phase Estimate
Jiangbo Yu
Houston Geological Society Bulletin
... renders the minimum misfit is considered as the phase of the wavelet. By doing this, no assumption is needed for the amplitude distribution...
2012
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... [email protected] Summary The paper considers rational Padé approximation of the z-transform function of a time-dependent minimum phase signal. We present...
2015
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
..., May 12-16, 2014 FIG. 3. Amplitude spectrum of white spectrum reflectivity (blue), seismic data (green) and a minimum phase wavelet (red...
2015
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
...) is a random sequence with white spectrum, and 111. the wavelet wen) is minimum phase. The validity of these assumptions is critical in ensuring...
1994
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... from the estimated amplitude spectrum using minimum phase factorization techniques. Once amplitude and phase spectra of the wavelet are known, we can...
1980
3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Kemmerer Area, Lincoln County Wyoming
M. A. Norton
AAPG Special Volumes
... pattern with 57 L-10 geophones was used. The processing sequence included a time variant minimum phase inverse filter, predictive deconvolution...
1983
Abstract: Geophysical Modeling of Reservoirs in Offshore Niger Delta, by A. O. Idowu; #91012 (1992).
Search and Discovery.com
1992
Abstract: Seismic Interpretation Phase, by W. R. Landwer; #90987 (1993).
Search and Discovery.com
1993
Abstract: Predictive Seismic Modeling Case History from the Niger Delta, by A. O. Idowu; #90990 (1993).
Search and Discovery.com
1993
Abstract: Late Ordovician Pre-Glacial and Syn-Glacial Deposits from NW Saudi Arabia: Insights Into Facies Analysis, Depositional Models and Present-Day Analogues; #91204 (2023)
Homoud AlAnzi
Search and Discovery.com
... and ice minimum phase facies were also deposited in an unconfined glaciomarine outwash fan setting away from the retreating ice front. These glaciomarine...
2023
Abstract: Rigorous Demonstration of Sub-Wavelength Multiple Scattering Suppression Using Advanced Seismic Data Processing Workflows; #91204 (2023)
Marcin Dukalski, Chris Reinicke, Rob Hegge
Search and Discovery.com
... that the problem can be constrained by (1) energy conservation of the solutions and (2) using multi-dimensional band-limited minimum-phase reconstruction...
2023
Amplitude Mapping of Reservoirs in North Africa
Search and Discovery.com
... of the amplitude of these frequencies to a level that is beyond the minimum phase assumption for a relationship between frequency and phase...
2013
Abstract: Exploring Potential Applications of Gaussian Ball Filters in Sharpes Hollow Cavity Model; #90224 (2015)
Christopher C. Petten and Gary F. Margrave
Search and Discovery.com
... activation waveforms. We found that that a Ricker and a minimum phase wavelet produced the most reasonable results that might be expected from a real explosion...
2015
Application of high-resolution reflection seismology to eastern Kansas cyclothems
Ralph W. Knapp
Kansas Geological Society
... with minimum-phase wavelets. By definition, a minimum-phase wavelet is the unique wavelet for a given amplitude spectrum which concentrates...
1989
Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)
R. Soubaras, R. Dowle, and R. Sablon
Search and Discovery.com
... GeoConvention 2012, (Vision) May 14-18, 2012, Calgary, AB, Canada Robinson and Treitel (1964), given a trace d(t), we need to find a minimum phase...
2014
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... of notches in the amplitude spectrum of the ghosting operator, with rapid variation in the phase spectrum occurring in the vicinity of these notches...
2015
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001
Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History
M. D. Burnaman, R. B. Helm, C. R. Beeman
Indonesian Petroleum Association
...-Section Minimum phase synthetic seismograms displayed in Figure 13 were made from edited sonic logs for the key wells shown in Figure 12. Interval...
1985
Wavelet Processing
Lee Lu
Indonesian Petroleum Association
... sequences or estimates. The conventional deconvolution method is adequate if the source wavelet is minimum phase and the desired signal to nearly white...
1978