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The AAPG/Datapages Combined Publications Database
Showing 18,829 Results. Searched 200,691 documents.
The Use Of Full Waveform Inversion And Other Advanced Seismic Processing Techniques To Improve An Already Good Dataset – Nong Yao Field, Gulf Of Thailand
Search and Discovery.com
N/A
Overcoming 3D seismic resolution issues in a turbiditic complex field U.S. Gulf of Mexico
Roberto Lotti, Alfonso Junio Marini, Maurizio Ferla, Valentina Zorgnotti, Antonio Corrao, Luca Bianchin, Riccardo Martin
International Meeting for Applied Geoscience and Energy (IMAGE)
... frequency trend, driving the longterm changes, as well as adding and emphasizing the finer details by using the highest part of the amplitude spectrum...
2023
ABSTRACT: Extending Vibroseis Bandwidth Using Customised Non-Linear Sweeps: A Case History in Oman, by Mahrooqi, Said; Bianchi, Thomas; Postel, Jean-Jacques; #90141 (2012)
Search and Discovery.com
2012
ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)
Mike Burnett
Search and Discovery.com
... further. With higher signal to noise and a broader frequency spectrum, prestack attributes and inversion processes are better able to resolve...
2011
ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90129 (2011)
Mike Burnett
Search and Discovery.com
... to noise and a broader frequency spectrum, prestack attributes and inversion processes are better able to resolve geologic detail than without...
2011
Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)
Igor B. Morozov and Jinfeng Ma
Search and Discovery.com
... and scaling it so that the total time-variant frequency spectrum of the log is preserved. Note that the amplitude spectrum of the log AI is reproduced...
2013
Abstract: Using Phase Sequencing and Marine Vibrators for Residual Shot Noise Removal and Simultaneous-Source Separation; #90310 (2017)
Robert Laws, David Halliday, Ali Özbek, Jon Fredrik Hopperstad
Search and Discovery.com
..., and frequency spectrum of the emitted wavefield can all be controlled. In particular, we can choose to make the phase vary from one shot to the next...
2017
Accelerometer vs. Geophone Response: A Field Case History
Search and Discovery.com
... Systems Ltd, Calgary, AB, Canada Summary A method is derived for the calculation of ground acceleration from geophone data using a frequency-domain...
2013
Detection of Astronomical Cycles in the Stratigraphic Record by Frequency Modulation (Fm) Analysis
Linda A. Hinnov , Jeffrey Park
Journal of Sedimentary Research (SEPM)
... evolving cross-phase out to the Nyquist frequency. This, plus low coherence in this part of the spectrum, is indicative of low to no signal...
1998
Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography
Jeremy R. Patterson, Michael Cardiff
International Meeting for Applied Geoscience and Energy (IMAGE)
... hydrology: Resolution and uncertainty in multi-frequency oscillatory hydraulic tomography Jeremy R. Patterson* and Michael Cardiff, University of Wisconsin...
2022
Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods
Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera
Unconventional Resources Technology Conference (URTEC)
.... 2001). This leads to the idea that focusing the analysis on the high frequency end of useful spectrum should be the best choice. Anyway, due...
2023
Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer Mission Impossible
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... bandwidth, especially at side viable implementation and initial results: especially at the low frequency Its of the spectrum represents a key...
2013
Bayesian variational auto-encoder for seismic wavelet extraction
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This frequency-domain term captures the amplitude spectrum of the wavelets, enabling us to achieve a better fit and enhanced stability in the generated wavelets...
2023
Abstract: Post-stack Inversion of the Hussar Low Frequency Seismic Data; #90187 (2014)
Patricia E. Gavotti, Don C. Lawton, Gary F. Margrave, and J. Helen Isaac
Search and Discovery.com
... data to best estimate which frequency range is missing (Figure 2). Based on the amplitude spectrum and the filter tests, it is difficult to identify...
2014
Recognition of cyclicity in the petrophysical properties of a Maastrichtian pelagic chalk oil field reservoir from the Danish North Sea
Morten Stage
AAPG Bulletin
... and the neutron porosity log) and then create the power spectrum (Figure 9). If any frequency coexists in the two data sets, it will show as a spectral...
2001
Relative inversion for extended elastic impedances
Peter Harris, Kathryn Young
International Meeting for Applied Geoscience and Energy (IMAGE)
... are then shaped to look more like an impedance spectrum, notably by increasing the low frequency content. This has the effect of reducing sidelobes...
2024
The Application of an Improved Deconvolution Method Based on Mixed-Phase Wavelet Estimation for Thick Reservoir Connectivity Analysis
Search and Discovery.com
N/A
The Future of Marine Seismic Acquisition?
Luc Haumonté
GEO ExPro Magazine
... acquisition is now an integral cancel out the reflection ghost, leading to a flat spectrum and part of the process. full bandwidth over the seismic frequency...
2017
Gabor Deconvolution: Surface-Consistent and Iterative
Search and Discovery.com
... attenuation effects in the earth. It attempts to estimate the time and frequency variant Q function (attentuation function) for each seismic trace, via...
2013
Obtaining Timescales for Cyclostratigraphic Studies
Walther Schwarzacher
Special Publications of SEPM
... development. The power spectrum of the cumulative curve plotted using a logarithmic scale for both the frequency and power shows an almost straight-line...
2004
Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)
Neda Boroumand and Henry Bland
Search and Discovery.com
... organized in its behavior, can be reduced by applying frequency-specific filters. To study the effects of noise on microseismic event locations, a dataset...
2014
Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)
Zhengsheng Yao and Mike Galbraith
Search and Discovery.com
... present an algorithm for seismic source wavelet estimation that is based on seismic time frequency spectral decomposition with matching pursuit...
2014
A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... sampling interval ; ( f , k) represents coordinates on the frequency spectrum; e and i are Euler’s number and the imaginary unit, respectively. While...
2024
Maximising the Potential of Seismic Expressions by Surgical Geological Modelling and Spectral Decomposition
Lory Evano, Fabien Cubizolle
GEO ExPro Magazine
... to the trace time-frequency spectrum and helps pick the most representative frequencies of the tracked geological object. Once the iso-frequency volumes...
2022