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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 15,552 Results. Searched 191,756 documents.

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Some Fundamental Issues on the Effect of Sampling on Wavefield Imaging

Peter W. Cary

Search and Discovery.com

... under-sampled, and aliased, at half the Nyquist sample rate. The concepts of 2-D aliasing, often called spatial aliasing, are often explained...

Unknown

Some Fundamental Issues on the Effect of Sampling on Wavefield Imaging

Peter W. Cary

Search and Discovery.com

... under-sampled, and aliased, at half the Nyquist sample rate. The concepts of 2-D aliasing, often called spatial aliasing, are often explained...

Unknown

Abstract: Getting Something for Nothing: Noise Attenuation in an Aliased World; #90174 (2014)

David C. Henley

Search and Discovery.com

... spatial sampling small enough to avoid aliasing the highest frequency components of the lowest-velocity surface wave energy. The offending noise can...

2014

Getting Something for Nothing: Noise Attenuation in an Aliased World; #41291 (2014)

David C. Henley

Search and Discovery.com

... the data in the field using spatial sampling small enough to avoid aliasing the highest frequency components of the lowest-velocity surface wave...

2014

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... solutions. In addition, if the data were aliased in one spatial dimension, the multi-dimensional interpolation did not eliminate the aliasing issue...

2014

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... in the f-k space. (See Figure 5, on the right hand side). This folding of the f-k spectra signifies the existence of the spatial aliasing in the data...

1993

Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... along ray parameters with semblance reduces non-coherent noise and suppresses spatial aliasing. This is desirable for poor quality data with low SIN...

1990

Abstract: Engineering Acquisition and Processing: An Integrated Design Approach for Optimal Seismic Data (Poster 2)

A. Easton Wren

Geological Society of Malaysia (GSM)

... of acquisition. His "design on the signal" and "STACKARRAY" ideas were followed by Ongkiehong (1988) who advocated spatial aliasing of the noise...

1993

Multiple, Diffractions and Diffracted Multiples in the South China Sea: How Dense Does Our Acquisition Geometry Need to be? (Geophysics Paper 16)

Rosemary K Quinn, Lynn B Comeaux

Geological Society of Malaysia (GSM)

... by the application of 3D SRME. SPATIAL ALIASING Diffractions are often recorded aliased. They are typically spatially aliased because of the steep diffraction tails...

2011

ABSTRACT: I have a Footprint on my Seismic Data, now what ? New Workflows for Improving Post-Stack Seismic Data; #90133 (2011)

Oswaldo Davogustto and Kurt J. Marfurt

Search and Discovery.com

... are constraints on survey design, backscattered noise, lateral variations of fold, offset, and azimuth distributions, and spatial aliasing. Faced...

2011

Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

...Multiple Aliasing Problems in Marine Data P. Chia, C. O. Kuek, P. Ward, K. S. Lee Geol. Soc. Malaysia, Bulletin 32, November 1992; pp. 247 - 260...

1992

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... testing. Such an exhaustive dataset, defined as having no spatial aliasing in either source or receiver gathers, can be extremely large and the efficiency...

2013

Abstract: Virtual Sensors in Seismic Acquisition; #90254 (2016)

Ibrahim Alhukail, Luc Ikelle

Search and Discovery.com

... are generally non- Gaussian. The virtual sensors can be used, to fill up gaps in the receiver distributions and hence reduce spatial aliasing. In seismic...

2016

Abstract: Increasing Seismic Resolution by Decreasing Receiver Spacing; #90171 (2013)

David C. Henley, Kevin W. Hall, Malcolm Bertram, and Eric Gallant

Search and Discovery.com

... techniques which accurately record the coherent noise, with no significant aliasing, thus enabling its effective removal. Our 2D survey imaged the near...

2013

Improving 3D Images

Andrew Long, Constantine Tsingas

GEO ExPro Magazine

... of the subsurface geology. This goal can be achieved by acquiring seismic surveys with dense and uniform sampling in both spatial domains. This article...

2004

Seismic Reflection and Mineral Prospecting: ABSTRACT

R. G. Nelson

AAPG Bulletin

... one seeks to avoid spatial aliasing problems in areas of steep dip and structural complexity. Processing techniques suitable for a particular area may...

1982

-- no title --

user

Search and Discovery.com

... routine seismic surveying, the acquisition geometry is designed to sample the anticipated subsurface features without spatially aliasing their structure...

Unknown

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