Abstract: Improved Reservoir Characterisation from Inversion of High Resolution 3D Seismic Data (Poster 12)

Sagar Ronghe, Mark Sams, Sriyanee De Silva, Julian Sherriff

Geological Society of Malaysia (GSM)

... or time. This means that frequencies of up to 250 Hz can remain in the data with no aliasing effects. The lack of any spatial resampling (trace sum...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

.... A CDP spacing of 2.2 m or less would be required in order to avoid spatial aliasing of the 1200 Hz events at a dip angle of 8°. ABDULAH, K.C....

Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... is used to reconstruct seismograms at new spatial positions. The proposed method can be used to reconstruct both regularly and irregularly sampled...

Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)

Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood

Search and Discovery.com

... an early stage that the 3D PreSTM would not adequately solve this problem and that PreSDM would be required. In addition, both the 3D and aliasing problems...

Abstracts: Attenuating 2D Noise in a 3D World; #90173 (2015)

David C. Henley

Search and Discovery.com

... and least spatial aliasing, presenting the best opportunity for attenuation. Other arrangements of the input data either have much more irregular offset...

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

...-stack data. Besides, MPFI avoids spatial aliasing on account of the weighted high frequency data with respect to prior. The workflow groups several...

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... and analysis of spatial data: J. C. Davis and M. J. McCullagh, eds., John Wiley & Sons, New York, p. 78-95. Robinson, J. E., Charlesworth, H. A. K...

Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand

David Remus, Rex Prosser

Southeast Asia Petroleum Exploration Society (SEAPEX)

... proved to be insufficient spatial sampling, the survey did identify five individual half graben. The graben vary in depth from 2500 meters...

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... serious aliasing problems may occur. In order to avoid spatial aliasing, we need to sample the returning wavefield in discrete points with individual...

Essentials of Streamer Marine 3-D Surveys, by Malcolm Lansley, #40140 (2004).

Search and Discovery.com

Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)

Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack

Search and Discovery.com

... and Canning, 1994). Other benefits of an even and dense trace sampling are that it:      Reduces the acquisition footprint Reduces spatial aliasing...

High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

Search and Discovery.com

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

Abstract: The Resolution Revolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... spatial sampling, and the HD3D acquisition method. The new HDMC3D seismic data has revealed the presence of numerous, often complex prospects on both...

Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait

Andreas T. Waluyo, Frank Büker

Indonesian Petroleum Association

... simulating reflectors and aliasing due to steep dips. This paper outlines the processing effort to address the multiples related to these features...

Abstract: Wide Azimuth Interpolation; #90211 (2015)

Daniel Trad, Jeff Deere, and Scott Cheadle

Search and Discovery.com

... in the model that the interpolator uses. Additional considerations when sampling in multiple dimensions affect our traditional aliasing constraints, because...

Broadband Seismic Technology and Beyond: PART X: IsoMetrix … Isometric Sampling

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... wavefield in 3D, and performs fine spatial sampling in all directions. In this article we ask: how did the idea come about? What is the story behind...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... width in space, which reduces spatial resolution. As the seismic wavefront travels outward from the source, it not only gets weaker (as a result...

Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)

Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

... of which a locally homogeneous solution is computed. The Phase-Shift Time Stepping Equation The Fourier transform over the spatial dimensions of the constant...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

.... Similarly, conventional f-k filtering cannot be applied easily and must be used cautiously due to spatial aliasing of the air waves (Steeples and Miller, 1998...

Sumpal Fractured Basement Field, Structural Attribute Analysis and Interpretation Case Study, Workflow Management and New Insights from Pre-Stack Depth Migrated Data and Azimuthal Stacks

Yan Darmadi, John Hughes, Sugiharto Danudjaja, Rita Achdiat

Indonesian Petroleum Association

... spatial aliasing of steep dips. Furthermore, the average fold is low being approximately 40 fold (Figure 2) leading to concerns about signal to noise...

Design of the Acoustic Zoom Method for Non-Specular Backscatter Imaging of the Eagle Ford Formation, #41495 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... Requirements Spatial Response Ambient Noise Reduction The source energy was injected using a modified vibroseis truck. Five vibroseis locations were...

Aspects of Seismic Resolution: Chapter 1

R. E. Sheriff

AAPG Special Volumes

... considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... wavelets, from 100-200 msecs. in time duration, within local surface spatial superbins each being centered on a uniform Cartesian grid of CDP xline...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... are the horizontal wavenumbers in the xc and yc directions. The subscript j denotes the j-th ~ spatial window. The taper function ω j has nonzero values...

Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... in spatial frequency resulting from the discrete-sampling process. Aliasing will occur when there are fewer than two samples per cycle; hence, an input...