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The AAPG/Datapages Combined Publications Database
Showing 2,326 Results. Searched 200,293 documents.
Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)
Mirko van der Baan
Search and Discovery.com
... and processing sequence, phase mismatches regularly occur between final processed data based on deterministic zero-phase shaping and zero-phase...
2013
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of the original seismic data and the efficiency of the seismic processing. In particular the efficiency of wave shaping and the of an appropriate low frequency...
1988
Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)
Satinder Chopra, Kurt Marfurt
Search and Discovery.com
... apparent frequency artifacts. It is common practice in the processing shop to not only remove spikes in the data and apply mutes, but also to apply...
2019
Abstract: Seismic Detection of Onondaga Patch Reefs, by Morris, James R.; #90031 (2004)
Search and Discovery.com
2004
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
.... The processing flow for our new denoising algorithm can be summarized as follows 1. Estimate the seismic wavelet and compute the convolution matrix...
2013
Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods
R. E. Sheriff
AAPG Special Volumes
... usually called wavelet processing. To achieve the desired characteristics, the embedded wavelet (Figure 2) needs a broad spectral range (1.5 octaves...
1992
SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO
James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.
Ohio Geological Society
... temporal and spatial resolution in the processing sequence, wavelet processing to zero phase, and post-stack spectral...
1995
Exploration of the North Seribu Area, Northwest Java Sea
Roberto Fainstein
Indonesian Petroleum Association
... with low cut filters open, and with high cut filters set at 180 Hz. High-cut filter slope was set at 18 dB/oct. Conventional processing of data involved...
1987
Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).
J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey
Search and Discovery.com
... wavefields, including frequency attenuation of the source wavelet, for example. Conventional seismic processing casts the imaging problem...
2014
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
..., these same reservoirs could be analyzed with AVO techniques. This paper looks at the possibility of using match filters as part of the processing...
2014
Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)
Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi
Search and Discovery.com
... of filters are not often used in conventional processing flows. If the filter is applied on a selected range of frequencies and travel times it can...
2016
Abstract: Importance of Wavelet Phase Stability in Seismic Interpretation; #90174 (2014)
Mirko van der Baan
Search and Discovery.com
... of the seismic wavelet is important in acquisition, processing and interpretation. Operators and service companies therefore place great emphasis on controlled...
2014
What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).
Search and Discovery.com
2004
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
... and the application of band-limited filters in the processing make the bandwidth of the far offset traces narrower than that of the near offset traces. To generate...
2015
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... a derivation of reflection and transmission coefficients in layered media which are related to infinite impulse response (IIR) filters as a rational...
2015
Using Steerable Filters to Map Geological Features from HRAM Data of the Foothills of Northeastern British Columbia, Canada
Hassan H. Hassan
Search and Discovery.com
... enhancing techniques such as FFT or wavelet analysis. In addition to curvilinear and circular features, steerable filters are effective also...
Unknown
Using Steerable Filters to Map Geological Features from HRAM Data of the Foothills of Northeastern British Columbia, Canada
Hassan H. Hassan
Search and Discovery.com
... enhancing techniques such as FFT or wavelet analysis. In addition to curvilinear and circular features, steerable filters are effective also...
Unknown
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... of random noise: Mean, alpha-trimmed mean, and median filters are commonly used during processing to suppress random noise. A more desirable...
2015
Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
... and meaningful with the help of shaping operator. Synthetic examples demonstrate the suitability of the inversion method to calculate instantaneous frequency...
2014
The Wavelet Transform as a Geophysical Signal Processing Tool, by T. A. Thompson; #90902 (2001)
Search and Discovery.com
2001
Abstract: Enhancing Seismic Data Resolution by Integrating Seismic Spectral Blueing and Reconvolution of Thin Bed Reflectivity Techniques: A New Approach to Resolve Thin Beds Pay Zones; #90255 (2017)
Amir Babasafari, Hesam Kazemeini, Farzaneh Bayati
Search and Discovery.com
... in acquisition or deconvolution and spectral shaping in processing. Instead, broadening as well as other techniques which help improving the seismic...
2017
Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well
Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
...Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe...
2023
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
... of dipping events to prevent aliasing, and a deconvolution would increase the frequency of the wavelet and introduce aliasing. This reason is valid...
2014
Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra
Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso
Indonesian Petroleum Association
.... The second is wavelet processing which insured that the true responses of the reflectors are obtained. The third is inversion for the acoustic impedance...
1992
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... the coherency of seismic traces and increased confidence in velocity analysis. Inverse Q also sharpened the seismic wavelet shape and made the seismic...
2004