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The AAPG/Datapages Combined Publications Database
Showing 16,384 Results. Searched 196,371 documents.
Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... with some logarithmic stretch formulation or Integral/Summation (Kirchhoffstyle) methods with provisions for spatial aliasing and dip constraints. Fourier...
1996
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... a baseline for future limit the imaging quality because of spatial aliasing and high-density infill for reservoir development as well as reduced signal...
2021
Early Devonian Marine Isotopic Signatures: Brachiopods from the Upper Gaspe Limestones, Gaspe Peninsula, Quebec, Canada: DISCUSSION
Nicholas R. Bates
Journal of Sedimentary Research (SEPM)
...) does not discuss in detail his results in the context of the large variability of the isotopic record, its potential aliasing, and its relevance...
1994
Abstract: Investigation of Seismic Imaging Capabilities for Small, Shallow Carbonate-Hosted Massive Sulphide Deposits; #90187 (2014)
Laura Quigley and Bernd Milkereit
Search and Discovery.com
... small trace spacing (4-5m) is needed so that spatial aliasing of shear and surface waves is avoided. With a seismic source frequency centered at 75Hz...
2014
Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)
Kristof De Meersman, Chris Ansorger
Search and Discovery.com
... quality within the ground roll bandwidth (≈ 025 Hz.). This can happen due to a variety of reasons like inadequate geometries, aliasing...
2015
Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)
Satinder Chopra, Kurt Marfurt
Search and Discovery.com
... operator aliasing (remnants of migration ellipses that do not destructively interfere) appears as steeply dipping coherent artifacts that cut across...
2019
Multi-Azimuth Seismic
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... sampled in all directions without aliasing as it encounters the surface 3. Efficiency must be as high as possible in the field Unfortunately, ta...
2005
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
...Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis 1969...
1969
Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration
Mazin Farouki, Felice D'Alterio, Erika Gentile
Indonesian Petroleum Association
... direction, running the risk of spatially aliasing the steeply dipping events that make up the accretionary section. Accordingly, the data was interpolated...
2012
Nacred: Looking for the Mother Lode of the Pearl River Mouth Basin
William Dickson, James Granath, Mark Odegard, Janice Christ
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and y, although at this size, spatial aliasing is expected (Fig. 3). Fields in the Zhu I and Zhu III basins correlate to gravity features of dimensions...
2007
Aspects to the Resolving Power of 3D Seismic Surveys
Wolfgang Houba
Geological Society of Malaysia (GSM)
... to an optimum velocity field determination for stacking and migration. RESOLVING POWER OF 3D SEISMIC SURVEYS 39 Spatial aliasing and migration...
1985
Land 3D Acquisition Techniques Related to S.E. Asian Situation
Walter Ritchie
Indonesian Petroleum Association
... acquisition and processing to provide an areal grid of subsurface coverage with spatial (and temporal) sampling to fully resolve subsurface geology any...
1981
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
ABSTRACT: Hierarchicl, Self-A fine Fluial Sand Body Shaps from Ancient and Modern Settings; #90013 (2003)
Paul A. Dunn, J. C. Van Wagoner, M. Defenbaugh
Search and Discovery.com
... MHz systems respectively) so as to minimize spatial aliasing. Cores were described, photographed and sampled at 2-10 cm intervals for laser particle...
2003
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... (red). All velocities can be recovered except that of the 333 m/s event due to severe spatial aliasing (more than ½ period) at a 50m station interval...
2014
Hierarchical, Self-Affine Fluvial Sand Body Shapes from Ancient and Modern Settings*, by Paul A. Dunn, J.C. Van Wagoner, and M. Deffenbaugh, #40083 (2003).
Search and Discovery.com
2003
An Evaluation of Offshore and Beach Changes on a Tideless Coast
Lee L. Weishar, William L. Wood
Journal of Sedimentary Research (SEPM)
... resulted in a quantification of spatial and temporal variability in beach-profile configuration and identified a well-defined seasonal variability...
1983
Deep learning-based Vz-noise attenuation for OBS data
Jing Sun, Arash Jafargandomi, Julian Holden
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2021). The key challenge for the shot-domain approaches is data aliasing due to poor spatial sampling, and in the receiver-domain is the overlap between...
2023
Microtremor Studies in Roosevelt and Beowawe Geothermal Areas
Alfred L. Liaw, Wayne Suyenega
Circum Pacific Council Publications
... as required to avoid spatial aliasing, and large areas could be covered to improve detection capability. T h e geothermal microtremors detected...
1982
Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data
Search and Discovery.com
.... Synthetic Seismic Data The acquisition geometry of our synthetic experiment was designed to record data with both longer offsets and denser spatial sampling...
2013
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
Squeezing Every Last Drop Out of a Coarse 3D Oil Sands Dataset for Refining 3D Survey Design A Case History; #41500 (2014)
Sylvestre Charles, Jim Hostetler, Jiwu Lin, Xiaoming Luo
Search and Discovery.com
... in the data and are spatially variable, evaluating the anisotropic parameters was very difficult for this dataset. However, the improvement in spatial...
2014
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
..., p. 653–656. Beasley, C. J., and R. Klotz, 1992, Equalization of DMO for irregular spatial sampling: 54th Annual EAEG Conference & Exhibition, Extended...
2011
Recent Advances in Borehole Seismic
W. L. Nutt
Indonesian Petroleum Association
... at each level. Fine sampling of levels within the well is essential to avoid spatial aliasing when separating the up and down going events...
1984