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The AAPG/Datapages Combined Publications Database
Showing 577 Results. Searched 200,357 documents.
Evidence of Eustatic Shifts in Sea Level in the Pennsylvanian of the Southwestern United States
Harold R. Wanless
Tulsa Geological Society
... with sediment before renewal of downwarping. rather continuous downwarping with compaction of coals and shales giving the semblance of intermittent subsidence...
1952
Profile Analysis - A Geologically Oriented Gravity Interpretation
Clint F. Fagg, Daniel E. Herlihy
GCAGS Transactions
... sound, the residual map should have some semblance to a structural map if it is to be of real value to the exploration geologist. METHODS PRESENTED...
1969
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... attributes K NIP by fitting the CRS operator as described by equation (1) to the multi-coverage pre-stack seismic dataset. Semblance as coherency measure...
2013
Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field
Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel
International Meeting for Applied Geoscience and Energy (IMAGE)
...) were estimated by the dual scan analysis of the semblance based on the gather flattening. These functions were interpolated to build a 3D anisotropic VTI...
2022
Application of Wide-Azimuth 3-D Seismic Attributes to Predict the Microfractures in Block MA Area for Shale Gas Exploration in South China
Yusheng Zhang, Gang Yu, Xing Liang, Li Jiang
Unconventional Resources Technology Conference (URTEC)
... generation coherence method, namely, the Algorithm C2, does not use semblance but mutual coherence to process on seismic channels, can calculate the dip...
2015
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... semblance criterion of the NMO corrected data, and apply a higher order NMO to the data before correcting. This step is residual movemout correction...
2015
Fast and efficient structure-oriented preconditioning with on-the-fly dip estimation
Rodrigo Felicio Fuck, Lorenzo Casasanta
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Structure-oriented smoothing and semblance: CWP Report, 635. He, K., J. Sun, and X. Tang, 2013, Guided image filtering: IEEE Transactions on Pattern...
2023
Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset
Ayrat Abdullin, Umair Bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... in 1D layered models using a deep neural network inspired by semblance analysis. The results show promising accuracy in estimating velocity...
2023
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
...) and semblance scan results (Zhang et al., 2014). In a horizontally transverse isotropic layer, the usual source of the anisotropy is regional stress...
2016
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
...). Optimal migration velocity for diffractions can be accurately picked when diffraction energy become better focused in semblance by enhancing...
2024
Post-migration seismic data conditioning through merged datasets: Enhancing accuracy and insight
Pamela Blanco Dufau, Heather Bedle, Kurt Marfurt
International Meeting for Applied Geoscience and Energy (IMAGE)
... when we look at semblance attributes. In Figure 5, we can observe subtle flexures, indicated with yellow arrows, that were revealed with spectral...
2024
Seismic Inversion
Michel Kemper
Petroleum Exploration Society of Australia (PESA)
... the inversion, etc. Therefore, it is crucial suc h as semblance, t ime shifts, instantaneous Fig. 9. A non-linear inversion example at a well. Track 7...
2010
Structural Geology: Fractures
Mike Shepherd
AAPG Special Volumes
... al., 2005). Reprinted with the permission of the Geological Society.Seismic facies analysis can be integrated with dip, azimuth, edge, and semblance...
2009
Abstract: Am I Really Predicting Natural Fractures in the Tight Nordegg Gas Sandstone of West Central Alberta? Part I: Theory and Statistics; #90172 (2014)
Lee Hunt, Scott Reynolds, Tyson Brown, Scott Hadley, Jon Downton, Satinder Chopra
Search and Discovery.com
... pressure, require that Curvature measures be calibrated carefully for each horizon and area. Similarity attributes such as semblance or coherence are also...
2014
Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)
Xinxiang Li and Jeff P. Grossman
Search and Discovery.com
... portion of the energy, and this is consistent with the goal of producing the best quality image from converted wave data. The coherence (or semblance...
2014
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... in 2D for each time sample of the common-offset image. Estimation of optimal parameters consists of calculating a correlation measure (e.g., semblance...
2014
Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)
Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev
Search and Discovery.com
... are estimated by maximizing the semblance function calculated for all seismic traces in the super-gather. The result of the diffraction imaging is a 3D data set...
2014
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... the conversion point and may be picked using traditional semblance plots. Theory and/or Method The converted wave data can be partially processed...
2015
Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data
Walt Ritchie and Mihai Popovici
Search and Discovery.com
... establish upper layer Vint – Z • Initial model updated by CIG Semblance analyses • Proceed to deeper level once satisfactory stability established • At each...
2009
A Study of Volcanic Rocks Identification by Seismic Methods in Subei Basin, Jiangsu Province, China, #10352 (2011)
Guoping Zuo, Guozhang Fan
Search and Discovery.com
... a semblance-based coherency algorithm: Geophysics, v. 63/4, p. 1150-l165. Marfurt, K.J., V. Sudhaker, and A. Gersztenkorn, et a1., 1999, Coherency...
2011
Post-Stack Multi-Azimuth Stratigraphic Inversion Applied to Unconventional Reservoir Characterization: A Case Study in the Fort Worth Basin; #41120 (2013)
Mathilde Adelinet, Vincent Clochard, and Patrice Ricarte
Search and Discovery.com
... in applying a kind of residual NMO corrections, based on semblance algorithm, to perfectly align seismic events from each azimuthal post‐stack to the full post...
2013
HydroFracture Monitoring Using Vector Scanning With Surface Microseismic Data, #41459 (2014).
Quansheng Zhang, Zhanchun Ren, Bintao Zheng, Lei Wang, Shigang Yang, Beiyuan Liang
Search and Discovery.com
... (semblance coefficient, Sheriff, 1991) or pPS for 4D imaging from the surface data, a vector stacking should be used. S(k)=（Σi[Σj(±)(fij)]2）/F, (1) where S(k...
2014
Structural Relationships and Development of the Pay-Khoy and Polar Urals Fold Belts, Russia; #30425 (2015)
Konstantin Sobornov
Search and Discovery.com
... basins. The semblance of structural styles of deformation of the Pay-Khoy and Polar Urals fold belts are thought to be related to the continuity...
2015
Enhancing Seismic Data Resolution with Multi-Attribute Analysis Using Both Well Log Data and Seismic Data A Case Study, #70281 (2017).
K. John R. Fernando
Search and Discovery.com
... Seismic (CDP gathers – fully processed) Load Horizons PROBABILISTIC NEURAL NETWORK Create Angle Gathers SEMBLANCE COHERENCE OF MIGRATED VOLUME...
2017
A Holistic Approach to Model-Building in and Around Injectites: A Case-Study Offshore Norway, , #42193 (2018).
Victoria Valler, Nathan Payne, Thomas Hallett, Marcin Kobylarski, Girish Venkatraman, Jochen Rappke, Dirk Fairclough
Search and Discovery.com
... anomalies (Fruehn et al., 2014). The GMO picker tracks wavelets above a user-defined semblance value to feed into the tomographic update of velocity...
2018