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The AAPG/Datapages Combined Publications Database

Showing 16,206 Results. Searched 195,354 documents.

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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

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

“Triangle Zones” as Elements in a Temporal and Spatial Spectrum of Tectonic Wedging and Delamination

R.A. Price

CSPG Special Publications

...“Triangle Zones” as Elements in a Temporal and Spatial Spectrum of Tectonic Wedging and Delamination R.A. Price 1994 208 208...

1994

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