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The AAPG/Datapages Combined Publications Database
Showing 695 Results. Searched 200,357 documents.
Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study
M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen
International Meeting for Applied Geoscience and Energy (IMAGE)
... style. Figures 2b and 2c show an example of wavelets inverted across multiple sources and their convergence before and after FWI. Better alignment...
2024
Sequence Stratigraphy Analysis Based on Wireline Log, Mudlog, and 2D Seismic of GHC Field, Baong Formation, Aru Sub Basin, North Sumatra Basin
Ghea Cahya Yulitha, Hari Wiki Utama, Fadhillatul Husna Kurniawan
Indonesian Petroleum Association
..., the better the results of the Well Seismic Tie will be. The comparison of the correlation coefficient values obtained from the use of the four wavelets...
2020
Inferring total organic carbon and major element geochemical and mineralogical characteristics of shale core from hyperspectral imagery
B. Rivard, N. B. Harris, J. Feng, and T. Dong
AAPG Bulletin
..., and A. Sanchez-Azofeifa, 2008, Continuous wavelets for the improved use of spectral libraries and hyperspectral data: Remote Sensing of Environment, v...
2018
Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)
Neda Boroumand and Hassan Khaniani
Search and Discovery.com
...) first motion behavior for each U x and U z displacement component; the solid blue wavelets indicate the polarity in the U x direction and the red...
2014
Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)
Yexin Liu
Search and Discovery.com
... and Russell, 2005), the HTI anisotropic reflection equation should be convoluted with angle-dependent wavelets and was re-written...
2014
Abstract: Simultaneous Multiple Source Acquisition using m-Sequences; #90187 (2014)
J. Wong
Search and Discovery.com
... of two wavelets used to represent seismic arrivals in the impulse response of the earth to a seismic source. The second event is much weaker...
2014
Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)
Xinxiang Li, Peter Cary, and Rodney Couzens
Search and Discovery.com
... components is not optimal. The wavelets on the traces with significant energy present on the transverse component are not effectively ‘collapsed...
2015
A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-bedded, Fluvial Reservoir; #40913 (2012)
Richard C. Odom
Search and Discovery.com
... require special consideration when targeting thin fluvial members. 3. Synthetic seismogram techniques, such as Weiner-Levinson wavelets, rely...
2012
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
Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy
Tom Wittick
North Texas Geological Society
... of the wavelets from the two reflectors. Figure 2-4. Relationship between Lithology, Propagating Wavelet & Seismic Response Of course a synthetic...
1992
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... character of these wavelets. In addition to shaping the wavelet, as described above, it may be useful also to equalize the amplitudes of the spectrum...
1980
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