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The AAPG/Datapages Combined Publications Database
Showing 17,464 Results. Searched 195,387 documents.
Full-Resolution 3D Radar Stratigraphy of Complex Oolitic Sedimentary Architecture: Miami Limestone, Florida, U.S.A.
Adrian Neal, Mark Grasmueck, Donald F. McNeill, David A. Viggiano, Gregor P. Eberli
Journal of Sedimentary Research (SEPM)
... and outcrops is problematic due to spatial aliasing. A 250 MHz full-resolution 3D GPR data set was collected over an area of 45 m × 24 m that encompassed...
2008
2012 Update of Southern Mid-Continent Theses and Dissertations
Neil H. Suneson
Oklahoma City Geological Society
...-Vargas, Alejandro, 2011, Suppression of aliasing artifacts on 3D land data via constrained least-squares migration. MS. Cataldo, Ernesto D., 2011...
2012
Abstract: A Faster, More Accurate Gaussian Simulation; #90172 (2014)
Colin Daly, Sandra Quental, Darcy Novak
Search and Discovery.com
... to aliasing. This can be improved by simulating on a larger volume by padding the data, then ‘cutting out’ the region of interest. The factor of simulation...
2014
Volumetric Curvature Attributes for Mapping Faults, Fractures, Depositional and Diagenetic Features
Satinder Chopra and Kurt J. Marfurt
Search and Discovery.com
... and tides Problems due to processing • Incorrect velocities • Migration operator aliasing Footprint removal (a) (b) Low (c) High (d) Time slices...
Unknown
Re-Evaluation of Hydrocarbon Potentials of Eastern Part of the Chad Basin, Nigeria: An Aeromagnetic Approach, #10405 (2012)
Emmanuel Anakwuba, Augustine Chinwuko
Search and Discovery.com
... in minimizing aliasing effects in sampled data (Bath, 1974). A grid interval of 1 km was used to obtain a 165 x 165 data-point grid. The gridded data...
2012
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... (Fig. 14). In this way, any error caused by aliasing (folding of the true amplitude spectrum about a frequency with a wavelength of twice the digital...
1969
4D Acquisition Strategies For Australian Reservoir Monitoring Projects
Andrew Long
Petroleum Exploration Society of Australia (PESA)
.... The frequency of monitor surveys depends on the rate of change in reservoir state as production progresses and the cost-benefit model fo r 4D seism ic...
2006
Parsimonious Deconvolution
Jon F. Claerbout
Southeast Asia Petroleum Exploration Society (SEAPEX)
... high frequency noise. Varimax deconvolution decreases the noise. More realistic estimated filters bτ and further noise reduction can be achieved...
1980
Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey
Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove
AAPG Bulletin
..., even at 40-Hz frequency; however, most of the complex stratigraphic architecture is below standard seismic resolution. Sigmoidal outcrop geometries...
2007
Geophysical Study of a Magma Chamber Near Mussau Island, Papua New Guinea
S. V. Dadisman, M. S. Marlow
Circum Pacific Council Publications
... for an in-plane event. The frequency spectrum of the reflection shows a decrease in high-frequency content when compared to the sea floor reflection...
1988
Aspects to the Resolving Power of 3D Seismic Surveys
Wolfgang Houba
Geological Society of Malaysia (GSM)
... to velocity v and frequency ~AX and the maximum structural dip. For usual parameters, we estimate that roughly half of the corresponding 20 coverage...
1985
High-resolution Sequence Stratigraphy and Implications For Cretaceous Glacioeustasy of the Late Cretaceous Gallup System, New Mexico, U.S.A.
Wen Lin, Janok P. Bhattacharya, Andrew Stockford
Journal of Sedimentary Research (SEPM)
... of stratal stacking patterns may also be difficult to observe in sparse-sample areas. The aliasing issue hampers decoding of high-frequency sequence...
2019
Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block
Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... on water bottom depths: the shallow-water region, the transition-zone region and the deep-water region. A region-and-frequency dependent strategy...
2023
Illuminating Resolution
Paul Wood
GEO ExPro Magazine
... sampled. Noise caused by spatial aliasing – not recording sufficiently often Towards the end of the 1990s, WesternGeco, now a Schlumberger company after...
2011
Sand Volcanoes of the Carboniferous Ross Formation, County Clare, Western Ireland: 3-D Internal Sedimentary Structure and Formation
J. K. Pringle, A. R. Westerman, D. A. Stanbrook, D. I. Tatum, A. R. Gardiner
AAPG Special Volumes
... frequency antennae to both penetrate to the target depth and have optimal vertical resolution of reflection events. Ground-penetrating radar antennae...
2007
Integrated Quantitative Stratigraphy of the Cenomanian-Turonian Bridge Creek Limestone Member Using Evolutive Harmonic Analysis and Stratigraphic Modeling
Stephen R. Meyers , Bradley B. Sageman , Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
.... 92, p. 14,027-14,040. PARK, J., LINDBERG, C.R., AND VERNON, F.L., III, 1987, Multitaper spectral analysis of high-frequency seismograms: Journal...
2001
Delineation of a Produced Water Plume in Pointe Coupee Parish, Louisiana
Matthew C. Smith, Jeffrey A. Nunn
GCAGS Transactions
... filter was applied in order to filter out noise that masks returning signals. This is accomplished by aliasing noise outside of the frequency band...
2010
A Contribution to the Study of Reservoirs Using Seismic Data
Gatot Kariyoso, Purwoko, J. Delaplanche
Indonesian Petroleum Association
... sections, namely : the continuity of coherence alignments, distinct horizontal amplitude variations and the frequency characteristics of individual...
1979
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
...). Since wavelength is inversely proportional to frequency, higher-frequency data should result in better resolution. However, it should not be forgotten...
2011
The Latemar high-frequency cycles revisited
Arndt Peterhansel, Sven O. Egenhoff, Thilo Bechstadt
CSPG Special Publications
...The Latemar high-frequency cycles revisited Arndt Peterhansel, Sven O. Egenhoff, Thilo Bechstadt 1997 219 219...
1997
Time-Lapse Geophysics for Mapping Fluid Flow in Near Real Time: Results from a Controlled Mesoscale Experiment
Roelof Versteeg
Special Publications of SEPM
... at high enough frequencies so that one avoids temporal aliasing, and second, processing the data at such a rate that the information extracted from...
2004
An Evaluation of Offshore and Beach Changes on a Tideless Coast
Lee L. Weishar, William L. Wood
Journal of Sedimentary Research (SEPM)
... in Lake Superior. The beach-and-berm region begins to erode in late fall and early winter because of the increase in frequency and intensity of local...
1983
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... Hardware and Procedures The recording of VSPs requires the use of repeatable seismic sources exhibiting simple signatures and with a wide frequency spectrum...
1983
Three-Dimensional Hydrogeologic Characterization of Fractured Carbonate Aquifers Using Ground-Penetrating Radar
Georgios P. Tsoflias, John M. Sharp, Jr.
GCAGS Transactions
..., and four two-dimensional lines, were collected over a fractured Silurian dolomite aquifer in Door County, Wisconsin. 100 MHz and 200 MHz center frequency...
1998
3D Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay, Irian Jaya Barat: Part I of II
Yayat Supriatna, Angke Nuraeni, Supriyono, Greg J. Schurter, Carl J Regone, Nurul Kabir
Indonesian Petroleum Association
... dimension and trace length are linearly proportional to the running time, where as maximum frequency is proportional to f4. The grid size used...
2007