Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 34,698 Results. Searched 200,357 documents.
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 πΉ = 2π ππ¦ ππ‘ π₯ π₯ β π¦ ππ₯ ππ‘ (1...
2023
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... ) ππ(π‘2 βπ‘1 ) I(Q, t) = πΉ β1 (exp οΏ½ β iH( )οΏ½), π π where H denotes the Hilbert transform, F is the Fourier transform, and Β΅ is a constant scaling...
2014
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
Approaches to Defining Reservoir Physical Properties from 3-D Seismic Attributes with Limited Well Control: an Example from the Jurassic Smackover Formation, Alabama
Bruce S. Hart, Robert S. Balch
West Texas Geological Society
..., instantaneous amplitude, rms amplitude), complex trace attributes based on the Hilbert transform (e.g., reflection strength, instantaneous frequency...
1998
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
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: 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
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
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
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
Ivory Coast Exploration in the Transform Margin
Patrick Coole, Matthew Tyrrell, Christine Roche, Petroleum Geo-Services
GEO ExPro Magazine
... in the petroleum system story: β’ The syn-rift phase, characterised by pull-apart rifting that formed a horst and graben topography. β’ The syn-transform phase...
2015
The Use of Seismic Attributes to Enhance Structural Interpretation of Z-Field, Onshore Niger Delta
Ayolabi, Elijah. A., Adigun, Akeem. O.
International Meeting for Applied Geoscience and Energy (IMAGE)
..., usually generated from the Hilbert transforms from which various amplitudes, phase and frequency attributes can be deduced (Nissen, 2002). This complex...
2021
The East African Transform Margin Γ’β¬β From Anza to Madgascar: A Relic and Active 4,000km Intraplate Strike Slip Fault System
Search and Discovery.com
N/A
A shallow velocity model building using full-waveform inversion on 3D onshore dataset
Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin
International Meeting for Applied Geoscience and Energy (IMAGE)
...? 2 π’β ππ‘ 2 ) β β π§ (π’ π ) Μ (6) 0 where β π§ represents Hilbert transform along the vertical direction. Numerical Example on 3D land datase...
2022
Envelope full-waveform inversion of marine seismic data
Kai Xiong, David Lumley, Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
...) (π‘)) β π(π π(π) = where, π denotes a modified envelope operator acting on π , π , π»denotes the Hilbert transform, πΌ denotes the upshift parameter or zero-frequency...
2022
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 Hilbertβs transform of the seismic trace, we have recently...
2008
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., respectively, and F denotes the four-dimensional Fourier transform over x g and x s. The operators u p ( k ) and us( k ) are, respectively...
2013
3-D Seismic Prediction of Reservoir Properties, West Moose Field, Ector County, Texas
George P. Watts, Timothy D. Lyons, Archie R. Taylor
Rocky Mountain Association of Geologists
... volume were created using the Hilbert transform within the Vest 3-DSEIS system. The frequency and phase values are sampled at two millisecond vertical...
1995
Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China
L. William Edwards
Circum Pacific Council Publications
... the Hilbert transform of the input trace. A fast Fourier transform is used with the Hilbert transform. Output sections are then input to SHADCON*, and color...
1989
LWD Geosteering and Natural Fracture Identification in Horizontal Wells in Unconventional Reservoirs
Greg Meszaros, Paul Boonen
West Texas Geological Society
... recorded using a full waveform type of sonic logging tool (Knize and Patton, 1989, Boonen and Flowers, 1996). IWC processing applies a Hilbert transform...
2006
Abstract: Refinement of Arrival-Time Picks Using an Iterative, Cross-Correlation Based Workflow; #90224 (2015)
Jubran Akram and David W. Eaton
Search and Discovery.com
.... Hilbert transform of FFT pruned cross correlation function for optimization in time delay th estimation: Proceedings of the 2009 IEEE 9 Malaysia...
2015
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... reduction technologies will be presented β Ground Roll Buster (GRB) and Curvelet Transform. GRB is a phase-matched filter that attenuates source generated...
2012