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The AAPG/Datapages Combined Publications Database
Showing 33,094 Results. Searched 195,364 documents.
Stratigraphic Analysis of Seismic Data from the Garden Banks Block 235 Area, Offshore Gulf of Mexico
Edwin I. Linares, Abu K. M. Sarwar
GCAGS Transactions
.... The complex geology of this area was interpreted using well log data, seismic facies, and seismic attributes. We applied Hilbert transform attributes...
2006
Coherence Attribute Applications on Seismic Data in Various Guises, #42273 (2018).
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... transform method. The output includes spectral magnitude, phase, and voice component volumes. ©2017 TGS-NOPEC Geophysical Company ASA. All rights reserved...
2018
Interpreting Seismic Amplitude Volume Technique Attributes; #42051 (2017)
Luis Vernengo, Eduardo Trinchero, Maximiliano Garcia Torrejon, Ignacio Rovira
Search and Discovery.com
... by choosing a definite analysis window, and then rotates the phase of the data by negative 90 degrees using the mathematical operation of Hilbert transform...
2017
Detection of Fluvial Systems Using Spectral Decomposition (Continuous Wavelet Transformation) and Seismic Multi-Attribute Analysis A New Potential Stratigraphic Trap in the Carbonera Formation, Llanos Foothills, Colombia; #42281 (2018)
Essam Saeid, James Kellogg, Christopher Kendall, Ibraheem Hafiz, Zyaid Albesher
Search and Discovery.com
... trace by mean Hilbert transforms, that is used to transform a seismic trace to a complex trace. A complex seismic trace can be generated either...
2018
Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach
Badsha Basu Roy
Indonesian Petroleum Association
... Proceedings, 2016 T(t) is seismic trace, H(t) is Hilbert’s transform of T(t) i.e. 900 phase shift of T(t) It is represented as positive values...
2016
Improvement of inverse scattering angle-domain common image gathers using optical flow
Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... but requires a calculation of additional wavefields and a space Hilbert transform for each time step. In this work, we investigate the optical flow...
2023
Comparative Analysis of Simultaneous Inversion Result with Elastic Inversion and AVO Envelope in Sumandak Field (Geophysics Paper 9)
Yeshpal Singh
Geological Society of Malaysia (GSM)
... and its quadrature (the 900 phase shifted version of the recorded signal). It is derived from Hilbert transform of near and far angle stacks...
2008
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... components. The classic Fourier transform, Radon transform (Gardner and Lu, 1991), wavelet transform (Mallat, 2009), curvelet frame (Herrmann...
2014
Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)
Peng Cheng, Gary F. Margrave, David C. Henley
Search and Discovery.com
... is the maximum value of S G (τ , f ) , and ϕ c (τ , f ) is given by the Hilbert transform (over frequency) ϕ c (τ , f ) = H (ln RG (τ , f ) S G (τ , f...
2015
Extraction and Interpretation of the Complex Seismic Trace
R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye
Indonesian Petroleum Association
... in reflection strength, phase, frequency, polarity, etc., must also be communicated to the interpreter in a way that he can comprehend and apply them...
1977
Seismic Attributes Analyses In Pre-Production Geothermal Reservoir Simulation
Search and Discovery.com
N/A
Application of Frequency-Dependent Attributes for Gas Prospect Identification
Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis
International Meeting for Applied Geoscience and Energy (IMAGE)
... Hilbert transform. The instantaneous frequency is defined as (Taner et al., 1979): 1 𝐹 = 2𝜋 𝑑𝑦 𝑑𝑡 𝑥 𝑥 − 𝑦 𝑑𝑥 𝑑𝑡 (1...
2023
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... ) 𝜋𝑓(𝑡2 −𝑡1 ) I(Q, t) = 𝐹 −1 (exp � − iH( )�), 𝑄 𝑄 where H denotes the Hilbert transform, F is the Fourier transform, and µ is a constant scaling...
2014
Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin
Mark Bunch
Petroleum Exploration Society of Australia (PESA)
... attributes, Hilbert transform. INTRODUCTION A model has been developed to relate the occurrence of zones of carbonate cemented sandstone observed...
2018
Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)
Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman
Search and Discovery.com
...Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014) Roohollah Askari, Robert J. Ferguson...
2014
Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)
Roohollah Askari and Robert J. Ferguson
Search and Discovery.com
... the time difference of the ridges of the transform for any frequency; the phase velocity is computed from their phase difference; and a frequency dependent...
2014
Implications of 3-D Domain Transformation for Structural and Stratigraphic Interpretation, #40765 (2011)
Geoffrey A. Dorn
Search and Discovery.com
... structure from a seismic volume. It is an interpretation guided 3D transform that creates a volume consisting entirely of stratal-slices - all...
2011
Use of Windowed Seismic Attributes in 3D Seismic Facies Analysis and Pattern Recognition
David C. Carter
Indonesian Petroleum Association
... amplitude trace, using the Hilbert Transform, and the resulting seismic attributes are sometimes referred to as Hilbert attributes. The phase...
1996
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... by the petroleum industry in the search for latent reserves. The Radon transform, or Tau-p transform as is commonly known provides an alternative domain...
1990
Abstract: High-resolution Automatic Microseismic Source Detections; #90187 (2014)
Stephen K. Chiu, Ulrich Zimmer, and Michael Davidson
Search and Discovery.com
... of receivers. The source-radiation pattern can cause the amplitude cancellation during the stacking process. We use a Hilbert transform to convert...
2014
Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)
Todor I. Todorov, Gary F. Margrave
Search and Discovery.com
... is that it is not localized in time. Figure 1 is a display of a particular signal and its amplitude and phase spectra. The Fourier transform tells us correctly which...
2014
Comparison of Seismic Reconvolution and Gabor Deconvolution in Improving Seismic Images to Detect Local Fluid Trapping
Madaniya Oktariena, Wahyu Triyoso
Indonesian Petroleum Association
... Hilbert Transform to the magnitude logarithm, the result would be a time-frequency function with a complex value. This is the estimation of whole...
2016
Application of Amplitude, Frequency, and Other Attributes to Stratigraphic and Hydrocarbon Determination: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
M. T. Taner, R. E. Sheriff
AAPG Special Volumes
... the imaginary plane to give the quadrature trace. The quadrature trace, h(t), is expressed by: [EQUATION]. Hilbert transform techniques (Bracewell, 1965...
1977
Ivory Coast Exploration in the Transform Margin
Patrick Coole, Matthew Tyrrell, Christine Roche, Petroleum Geo-Services
GEO ExPro Magazine
... in the petroleum system story: • The syn-rift phase, characterised by pull-apart rifting that formed a horst and graben topography. • The syn-transform phase...
2015
Integrated Geological and Geophysical Analysis by Hierarchical Classification: Combining Seismic Stratigraphic and AVO Attributes (Geophysics Paper 12)
Alexis Carrillat, Tanwi Basu, Raul Ysaccis, Shye Aik Chong, Amiruddin Mansor, Martin Brewer
Geological Society of Malaysia (GSM)
...). Although initially focused on classification of horizon-based attributes derived from the Hilbert’s transform of the seismic trace, we have recently...
2008