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The AAPG/Datapages Combined Publications Database
Showing 514 Results. Searched 195,372 documents.
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
... that the best wavelet for maximum vertical resolution is a zero phase wavelet. In most cases, processed seismic data are minimum phase. This is due...
1994
Amplitude Mapping of Reservoirs in North Africa
Search and Discovery.com
... of the phase and produces a theoretically perfect zero phase wavelet. The amplitude spectrum of the VSP wavelet can then be adjusted to any predetermined shape...
2013
Application of high-resolution reflection seismology to eastern Kansas cyclothems
Ralph W. Knapp
Kansas Geological Society
... (Schoenberger, 1974), so we may try to process the data to contain them. That is, by phase filtering, a wavelet can be transformed to zero-phase...
1989
IV. The Role of Seismic Wavelets and Wavelet Processing
Norman S. Neidell
AAPG Special Volumes
... "C" gives the zero-phase symmetric waveform shown as "E". (2) Deterministic Wavelet Extraction If we start with a multiple-free, relatively noise...
1979
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... are also compared later in the study. A 30 Hz zero-phase Ricker wavelet was used for the synthetic in the intermediate time window (1500-2000 ms TWT...
2004
What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).
Search and Discovery.com
2004
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
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
Integrated Analysis of Borehole and Seismic Data
E. Poggiagliolmi, R. D. Allred
Indonesian Petroleum Association
... of wavelets at well locations and performs implicit spectral inversion to condition the seismic pulse to a common, broad band, zero phase wavelet. SAWP...
1993
What is Seismic Interpretation?, by Alistair Brown; #41125 (2013).
Search and Discovery.com
2013
Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)
Mirko van der Baan
Search and Discovery.com
... and phase deconvolution can be achieved using time-varying Wiener filtering. Time-varying wavelet extraction and deconvolution can also be employed...
2013
Stratigraphic Delineation of the Baong Sandstone by High Resolution Acoustic Inversion in the North Sumatra Basin
L. R. Weathers, R. B. Helm
Indonesian Petroleum Association
... interactively by means of well log data and the resulting near minimum phase wavelet is shown in Fig. 7a. The wavelet extraction was followed by wavelet...
1984
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
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
... m. Values indicate thickness of the bed in meters; timing lines are 10 msec apart. (A) minimum-phase wavelet shape. (B) zero-phase wavelet with same...
1977
XI. Bibliography
Norman S. Neidell
AAPG Special Volumes
... of One-Sided Signals", Geophysics, Vol. 38, pp. 657-672, 1973 "Related Properties of Minimum-Phase and Zero-Phase Time Functions", Geophys. Prosp., V...
1979
Preparation of Seismic Data For Stratigraphic Work
Abilene Geological Society
.... Minimum-Phase & Zero-Phase Wavelet One of the other basic assumptions of deconvolution is that the reflectivity series is random or noncyclical...
1993
Abstract: Two-stage Blind Deconvolution; #90187 (2014)
Mafijul Islam Bhuiyan and Mauricio D. Sacchi
Search and Discovery.com
... the amplitude spectrum and utilize the minimum phase assumption to estimate the wavelet. However, it can be shown that phase and amplitude of the wavelet can...
2014
Chapter 3: Preparation of Seismic Data for Stratigraphic Work
Tom Wittick
North Texas Geological Society
... is minimum phase. A minimum phase wavelet is asymmetric such as the one shown in figure 3-2. A dynamite explosion will create this type of wavelet...
1992
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... and the associated downgoing VSP wavelet. The downgoing wavelets from airgun sources, including source ghosts, are close to minimum phase or close to 90° phase (sign...
1983
SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO
James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.
Ohio Geological Society
... temporal and spatial resolution in the processing sequence, wavelet processing to zero phase, and post-stack spectral...
1995
V. Contributions of GeoSeismic Modeling
Norman S. Neidell
AAPG Special Volumes
... developed by Nath and Patch (1978). The process of deconvolution makes a minimum phase assumption about the wavelet. It then follows logically...
1979
Correlating Versus Inverting Vibroseis Records: Recovering What You Put into the Ground; #41577 (2015)
Glen Larsen, Paul Hewitt, Art Siewert
Search and Discovery.com
... wavelet convolved with the minimum phase earth response (Yilmaz 1996), a mixed phase wavelet would be the result. Converting the zero- phase Klauder...
2015
Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data
Norman S. Neidell, Elio Poggiagliolmi
AAPG Special Volumes
...., 1974, Related properties of minimum-phase and zero-phase time functions: Geophys. Prosp. (Netherlands), v. 22, p. 683-703. Dedman, E. V., J. P...
1977