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The AAPG/Datapages Combined Publications Database
Showing 566 Results. Searched 200,357 documents.
Poor Man's Synthetic Seismogram
Andrew Nelson
Petroleum Exploration Society of Australia (PESA)
..., such as to the type and f requency w it h zero phase Ricker o r mi nimu m Press the down arrow key again if the of wavelet requ ired, the ti me sample...
1996
Deriving Subsurface Insight from Seismic
Gregory Partyka
Indonesian Petroleum Association
... of Resolution of Zero Phase Wavelets (Kallweit and Wood 1982). Their views on temporal resolution require constant attention to the source wavelet...
2015
Abstract: Stabilizing Seismic Absorption Compensation; #90171 (2013)
Changjun Zhang
Search and Discovery.com
.... Extract Q profile by using windowed time-variant spectral analysis (Zhang, 2002), 2. Do pure phase correction, 3. Extract a zero phase seismic wavelet...
2013
Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)
Jaime Meléndez Martínez
Search and Discovery.com
.... The maximum of the Kurtosis indicates the correct phase correction needed to convert the estimated wavelet in a zero phase wavelet. Figures 1 and 2 show...
2015
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and its lateral continuity better defined. In example 2, residual reprocessing using a 60 degree phase rotation is applied to the data to restore zero...
1988
IV. The Role of Seismic Wavelets and Wavelet Processing
Norman S. Neidell
AAPG Special Volumes
... in developing the interpretive scheme for an ideal subsurface. Where the zero phase-symmetric waveform was present we could identify individual...
1979
A new high-resolution seismic wavelet definition and vibroseis sweep signal design
Zhenbo Nie, Huazhong Wang, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... the zero-phase customized wavelet. In here, the “bc” represents the main lobe, while “ab” or “cd” represents the side-lobe. Specifically...
2024
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
... of zero-phase wavelets: Geophysics, v. 47, p. 1035-1046. Mahradi, 1983, Physical modeling studies of thin beds: University of Houston, Master's thesis...
1985
Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)
Somanath Misra and Satinder Chopra
Search and Discovery.com
... to the central Alberta plains. An average mixed phase wavelet is computed from the 3 mixed phase wavelets estimated at 3 different locations. The data...
2015
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
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... accelerometer transfer function (Figure 5). Further modeling has shown that wavelets with low dominant frequencies must be phase rotated the opposite direction...
Unknown
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... accelerometer transfer function (Figure 5). Further modeling has shown that wavelets with low dominant frequencies must be phase rotated the opposite direction...
Unknown
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
.... That is correct, and if we did do that, we would end up with a zero-phase wavelet, typical of a true matched filter that lowers the noise, but reduces...
2014
Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)
M. Sajid, D. P. Ghosh, Z. T. H. Zuhar
Geological Society of Malaysia (GSM)
... is a thin bed?,” Geophysics, vol. 38, pp. 1176-1180 R. S. Kallweit and L. C. Wood, 1982. The limits of resolution of zero-phase wavelets, Geophysics, vol...
2012
Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods
R. E. Sheriff
AAPG Special Volumes
...) including high frequency content, and the phase response should be zero phase. Data quality, the mode of display, and the interpreter's experience...
1992
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
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
.../CSEG/CWLS GeoConvention 2010, Calgary, Alberta, Canada, May 10-14, 2010 with a perfect zero phase broadband wavelet, while in the seismic trace...
2014
4D Seismic Bandwidth and Resolution Analysis for Reservoir Fluid-flow Model Applications
Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer
Petroleum Exploration Society of Australia (PESA)
... data bandwidths (see Table 1). We represent more conventional seismic spectra using two band-passed zero-phase impulses denoted C1 and C2, while our...
2019
Seismic Modelling to Support the Interpretation of Seismic Data, Northeast Jambi Block 'B', South Sumatra
J. A. Harwijanto
Indonesian Petroleum Association
... with minumum phase and zero phase wavelets respectively, resulting in the synthetic seismic sections to the right of the well location in Figure 4...
1987
Seismic Inversion
Michel Kemper
Petroleum Exploration Society of Australia (PESA)
...- - - - - ,; ___ ---_ , _ _ l't6. Rho SDC. 1. Zero-phase stacks: two approaches are possible and can be experimented w ith to determ ine t he best one...
2010
Phase and Polarity Issues in Modern Seismic Interpretation, #40397 (2009)
Alistair Brown
Search and Discovery.com
... and Exhibition, Cape Town, South Africa, October 26-29, 2008 1 Consulting Reservoir Geophysicist, Allen, TX ([email protected]) Abstract Zero phase...
2009
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... be extracted from the VSP. Figure 3. Seismic line "AA" after rotation to zero phase Figure 4. Enlarged section of line "AA" showing tie to VSP. Recording...
1983
The Integration of Geophysical, Geological and Petrophysical Data: A Case Study in North West Java, Indonesia
M. Koswara, J. Negre, L. Hendrata
Southeast Asia Petroleum Exploration Society (SEAPEX)
... surface seismic traces into acoustic impedance pseudo-logs. Firstly, two sets of zero phase surface seismic and well seismic wavelets, which may...
1990
V. Contributions of GeoSeismic Modeling
Norman S. Neidell
AAPG Special Volumes
... amount of random noise has been added to the data. Compared to these two sections with complex wavelets, Figure 11 has a simple, short, zero-phase...
1979
Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra
Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso
Indonesian Petroleum Association
... and in time, using two different AVO techniques. The CMPs were then stacked and enhanced. A dephase filter is generated to extract the zero phase wavelet...
1992