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The AAPG/Datapages Combined Publications Database
Showing 662 Results. Searched 200,673 documents.
Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)
Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand
Search and Discovery.com
...) and after (right) preconditioning. Extracted wavelets and amplitude spectra before preconditioning are shown at two well locations (left). The map QC...
2014
Optimized Well Placement from the Integration of Geoscientific Measurements; #41356 (2014)
Gorka Garcia Leiceaga
Search and Discovery.com
... by analyzing the relationship between well and seismic data. The main inputs include seismic partial stacks, wavelets and low frequency models. Results from...
2014
Detecting Lateral Continuity of Taranaki Basin Reservoir Sand Based on Sequence Stratigraphy and Seismic Attribute Analysis; #10741 (2015)
Joseph Gnapragasan, Umar Hamzah
Search and Discovery.com
... seismic encounters thinner sediments (<¼ length of the wavelength), the wavelets used to tune to be an unresolved reflections which cannot be seen under...
2015
A depositional model for the Carbonera Formation, Llanos Foothills, Colombia, from workflow of a sequence stratigraphic framework and interpretation from well-log stacking patterns, well cuttings, and three-dimensional seismic spectral decomposition
Essam Saeid, Christopher Kendall, James Kellogg, Thomas De Keyser, Ibraheem Hafiz, Ziyad Albesher, and José Antonio Martinez
AAPG Bulletin
... throughout the Carbonera Formation. The CWT and the calculated iso-frequency seismic sections were based on all three wavelets: Morlet, Gaussian...
2022
Basics of Reflection Seismic Technology
Abilene Geological Society
... of the wavelets from the two reflectors. Figure 4. Relationship Between Lighology Propagating Wavelet & Seismic Response Of course a synthetic...
1993
Extended Abstract: Advances in Interpretation & Imaging
P. Beale
Southeast Asia Petroleum Exploration Society (SEAPEX)
... a multitude of numbers, results and signals which are usually converted into wavelets and seismic traces. Inversion in this presentation is the process...
1998
Will Lebanon be the Next Oil Province?
Øystein Lie, Jörn Fürstenau, John Comstock, Petroleum Geo-Services
GEO ExPro Magazine
... on a slant stack of local seismic traces decomposed into wavelets. After solving for background velocity, high-resolution velocity updates were performed...
2013
The Search for Oil in the South-Eastern Barents Sea
Sylvia B. Hammersvik, Gustav A. Ersdal
GEO ExPro Magazine
..., CGG and deliver sharper wavelets without sidelobes. These provide more detailed imaging, allowing better identification of prospects and leads...
2014
Liberia: A Fresh Approach
Ben Sayers, Alex Birch-Hawkins, Rufus Tarnue, Gerrard Spear, Lauren Mayhew
GEO ExPro Magazine
... to the similarity of the wavelets and their distance from each other. The DRS produces a horizon-consistent map TGS Recent exploration in Liberia...
2017
Finite Difference Modeling: Part II: How to clean numeric time dispersion
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... onto the Mexican hat wavelets that d’Alembert showed in 1746 to be the solutions of the 1D wave equation. Figure 4. Plot of the digital filter matrix F...
2018
How to Predict Oil-Gas Delineation with Simultaneous Inversion Methods in High Impedance Sand: As a Predictive Hydrocarbon Indicator
Bani Tiofan Tampubolon, Dicky Rahmadi Aprilian, Asep Hendriana Rustam
Indonesian Petroleum Association
..., a unique wavelet is estimated. All the models, all the partial stacks and all the wavelets are input to a single inversion procedure. Sensitivity analysis...
2012
Kutei Basin: Feasibility Study of a Broadband Acquisition
Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele
Indonesian Petroleum Association
... the “natural earth high filter”. Starting from a standard ghosted marine source, generation of several Q filtered (at target level) wavelets with and without...
2013
Seismic Foldout: Characterising CCUS sites: Legacy data. Powered by machine learning
Mike Powney, Jeniffer Masi, Dan Austin, Theresia Citraningtyas, Monika Dyrendahl, Behzad Alaei, Anastasiia Jacobsen, Sharon Cornelius, Felix Dias, Pete Emmet, Geoex MCG, Earth Science Analytics
GEO ExPro Magazine
... amplitudes • True Amplitude Frequency Equalization (TAFE) • Matching of phases and wavelets Below is a before and after image of an arbitrary line...
2023
Tackling data challenges in land FWI: A case study
Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... Summary Land data constraints such as short offsets and unknown source wavelets limit the accuracy of Full Waveform Inversion (FWI) results. In this study...
2023
Eroded Oscillation Ripple Marks in Cretaceous Newcastle Sandstone, Wyoming and South Dakota: NOTES
George R. Wulf
Journal of Sedimentary Research (SEPM)
.... He states that the crests are planed off by small water wavelets accompanying the outgoing tide. In the Newcastle Sandstone flat-topped ripple marks...
1962
Extended Abstract: Detailed Interpretation of a Channel System Using Geological Expression Workflows: A Case Study from the Taranaki Basin, New Zealand
Hugo M. P. Garcia, Tom Wooltorton
GCAGS Transactions
... to produce the RGB blend (Fig. 2). The SDFD was created using a convolution of fixed bandwidth Gabor wavelets centered at different frequencies. It is quick...
2014
Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)
M. Sajid, D. P. Ghosh, Z. T. H. Zuhar
Geological Society of Malaysia (GSM)
... is a thin bed?,” Geophysics, vol. 38, pp. 1176-1180 R. S. Kallweit and L. C. Wood, 1982. The limits of resolution of zero-phase wavelets, Geophysics, vol...
2012
XI. Bibliography
Norman S. Neidell
AAPG Special Volumes
... of Seismic Wavelets by Thin Layers and Layered Boundaries", Geophys. Prosp., V. 17, pp. 1-27, 1975 Morrison (O. J.), "A Discussion of the Features...
1979
A cross-shape deep Boltzmann machine for petrophysical seismic inversion
Son Dang Phan and Mrinal K. Sen
AAPG Bulletin
... wavelets still remains a difficult task (e.g., Lines and Treitel, 1985; Fomel, 2007; Dai et al., 2016; Wang and Morozov, 2020). An alternative approach...
2022
2012
Abstract: Some Workstation Techniques for Defining Reservoirs in Difficult Data Areas; #90171 (2013)
Norm Kalmanovitch, Dennis Meisinger, and Randi Christiansen
Search and Discovery.com
... convolved with their respective wavelets. By matching the wavelet of the seismic data to the wavelet of the VSP the overall resolution of the seismic...
2013
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
... of these traces provides the amplitude and phase differences of these wavelets over their common frequencies. An operator designed on these differences will restore...
2014
Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)
Ken Kocon and M. Sacchi
Search and Discovery.com
.... In the examples presented, using separate source wavelets to model the signal and noise is paramount for signal and noise separation...
2015
Abstract: Exploring Potential Applications of Gaussian Ball Filters in Sharpes Hollow Cavity Model; #90224 (2015)
Christopher C. Petten and Gary F. Margrave
Search and Discovery.com
... radii. Several different wavelets that we had used in the SHCM were used in conjunction with the GBFs to observe the effects of different source...
2015
Design of Land 3-D Surveys, by Mike Galbraith, #40139 (2004).
Search and Discovery.com
2004