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The AAPG/Datapages Combined Publications Database
Showing 3,163 Results. Searched 196,194 documents.
Seismic Anisotropic Fracture Characterization using Azimuthal Amplitude versus Angle (AVAZ) Combined with Azimuthal Frequency versus Angle (FVAZ)
Salah El Din R Mahmoud, Hassan Al-Marzooqi, Maryam Alqaydi, Amna Alharthi, Muhammad Z. Baig, Abdulla A. Al-Hashmi
Unconventional Resources Technology Conference (URTEC)
... decreases and frequency attenuation gradient decreases with offset within fractured reservoirs. By comparing figures 3A and 3B, notice the weaker...
2022
Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring
Leah J. Hogarth, Conrad Kolb, Joël Le Calvez
GCAGS Transactions
... Kolb, Joël Le Calvez 2016 763 767 Vol. 66 (2016) Carrillo, P., B. Bryans, and R. Turpening, 2007, Attenuation coefficient tomogram and Q distribution...
2016
Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)
N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya
Geological Society of Malaysia (GSM)
..., enhanced signal to noise ratio are possible through better noise and multiple attenuation and improved imaging techniques – these combine to provide higher...
2012
Abstract: Enhancement of In Situ Natural Bioremediation with Oxygen Release Compound®, by J. S. Roemmel and K. S. Burgess; #90937 (1998).
Search and Discovery.com
1998
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... can cause apparent attenuation. c) Mie scattering; where the size of the heterogeneities are comparable to the wavelength. d) Small angle scattering...
2013
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... 427. The data has been LMO corrected using the P-wave first break pick times. Some mild noise attenuation was also applied as well as a 100 ms bulk...
2013
Gabor Deconvolution: Surface-Consistent and Iterative
Search and Discovery.com
... as possible by estimating and removing the effects of filtering and attenuation in the earth and seismic recording system. The Gabor deconvolution method...
2013
Handling Seismic Anomalies on Multiple Targets
Search and Discovery.com
... be a relatively stronger boost or a significant attenuation depending on whether the signatures are consistent or mixed. The approach is illustrated...
2013
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
... is an example of a model-based coherent noise removal method, it is important to stress that this idea is also applicable to random noise attenuation...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... can cause apparent attenuation. c) Mie scattering; where the size of the heterogeneities are comparable to the wavelength. d) Small angle scattering...
2013
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... 427. The data has been LMO corrected using the P-wave first break pick times. Some mild noise attenuation was also applied as well as a 100 ms bulk...
2013
Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)
Arnim B. Haase
Search and Discovery.com
... of stratigraphic attenuation effects we took note of a recent paper by Sun et al. (2009) which describes the estimation of velocity dispersion from uncorrelated...
2014
Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)
G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips
Search and Discovery.com
... resonance frequency. As shown in Figure 6, this model predicts strong attenuation of low frequencies for both 4.5 Hz and 10 Hz geophones with the former...
2014
Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)
Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
...; Bohlen, 2002). The viscoelastic FD modeling approach can handle complex subsurface structures with high intrinsic attenuation or significant scattering...
2014
Abstract: Violet Grove Time-Lapse Data Revisited: A Surface-Consistent Matching Filters Application; #90187 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
... decrease (e.g. Avseth et al., 2005), increase in seismic wave attenuation (e.g. Hilterman, 2001), and other important seismic property changes reported...
2014
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
...Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014) Juefu Wang and Shaowu Wang AAPG Search and Discovery Article...
2014
Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).
J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey
Search and Discovery.com
... returns requires significant attenuation of coherent background interference (e.g. ground roll, specular reverberation) achieved by combining...
2014
Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)
Arnim B. Haase, Charles P. Ursenbach
Search and Discovery.com
... to the propagation direction. Anelasticity of some degree is found in all rocks encountered in nature. Anelasticity causes attenuation and velocity dispersion...
2015
Seismic Methodologies Adapted for Use in Acoustic Logging, #41666 (2015).
Shreya B. Ley, Partha Biswas
Search and Discovery.com
... undetected. For this last issue, we need look no further than seismic and microseismic techniques for guidance. Due to issues with signal attenuation...
2015
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
.... Beginning with attenuation of random noise using FX deconvolution, the seismic signals in the frequency-offset domain are represented as complex sinusoids...
2019
The Potential of Medicago sativa for Microbial-Enhanced Phytoremediation of Diesel Fuel Contaminated Sites; #80708 (2019)
Michael O. Eze, Simon C. George, Grant Hose
Search and Discovery.com
... of natural attenuation limits its effectiveness (Azubuike et al., 2016). Thus, microbial-enhanced phytoremediation (an aspect of geomicrobiology) as a new...
2019
ABSTRACT: New Seismic + Old Concepts - Derisking Exploration and Appraisal in a Mature hydrocarbon basin. Case Study from the Columbus Basin, offshore Trinidad
Rene Winter
Geological Society of Trinidad & Tobago
... seismic attenuation, non-unique inputs for seismic attribute response and the inherent decay of seismic signal with depth. In 2013 BP acquired more...
2022
Fracture characterization in shale and tight reservoirs using horizontal well sonic logging data
Peng Liu, Ning Li, Hongliang Wu, Hao Zhao, Mengsheng Zhang, Huajun Fan, Kai Jiang, Kewen Wang, Yongjian Zeng
International Meeting for Applied Geoscience and Energy (IMAGE)
... indicate that both Stoneley wave and dipole S-wave are sensitive to fractures filled with fluid, manifested as energy attenuation. It suggests that both...
2023
Residual Hydrocarbons in a Water-Saturated Medium: A Detection Strategy Using Ground Penetrating Radar
Changryol Kim, Jeffrey J. Daniels, Erich D. Guy, Stanley J. Radzevicius, Jennifer Holt
Environmental Geosciences (DEG)
... residual gasoline is present in a water-saturated system because there is less attenuation of the radar signal. Differences in travel times...
2000
Seismic Imaging Through Gas Cloud Using Borehole Seismic Walkaway Technique; A Case Example From Offshore Malaysia
Teck Kean Lim, Gunawan Taslim, Amy Mawarni M Yusoff
Indonesian Petroleum Association
...-hole near the target reflectors results in seismic signal attenuation only half of that encountered by conventional surface seismic acquisition...
2008